Sample records for ieee photonics technology

  1. 480 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 12, NO. 5, MAY 2000 Coupled Structure for Wide-Band EDFA with Gain

    E-Print Network [OSTI]

    Park, Namkyoo

    480 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 12, NO. 5, MAY 2000 Coupled Structure for Wide applications due to the maturity of the supporting technologies such as the host material and pump sources-band EDFA's [4], [5], we have suggested a structure that recycles useless backward amplified spontaneous

  2. IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 15, NO. 1, JANUARY 2003 81 Tunable Microfluidic Optical-Fiber Devices Based on

    E-Print Network [OSTI]

    Rogers, John A.

    IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 15, NO. 1, JANUARY 2003 81 Tunable Microfluidic Optical-Fiber, micropumps, optical-fiber de- vices, optical waveguide components. I. INTRODUCTION TUNABLE optical-fiber the transmission characteristics of optical fiber are more recent [1]≠[3]. These techniques increase the range

  3. IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 22, NO. 1, JANUARY 1, 2010 21 Silicon-Based Thermo-Optically Tunable

    E-Print Network [OSTI]

    Lee, Jeong-Bong

    IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 22, NO. 1, JANUARY 1, 2010 21 Silicon-Based ThermoFarlane, and Jeong-Bong Lee Abstract--We report an extremely compact (30 m 7 m) silicon-based 2-D thermo in silicon due to thermo-optic effect which results in change of the focal length of the PhC lens. The device

  4. 148 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 18, NO. 1, JANUARY 1, 2006 Radiation Resistance of Single-Frequency 1310-nm

    E-Print Network [OSTI]

    Ye, Jingbo

    , or ions) cause lattice damage in semiconductors, resulting in degraded optical and electrical properties. For III­V semiconductor lasers, most radiation damage is believed to come from lattice displacement [6148 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 18, NO. 1, JANUARY 1, 2006 Radiation Resistance

  5. 682 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 22, NO. 10, MAY 15, 2010 Instantaneous Microwave Frequency Measurement

    E-Print Network [OSTI]

    Yao, Jianping

    electronic warfare (EW) systems, a number of specialized receivers are jointly employed to reduce processing [1]. However, it is difficult to realize IFM using con- ventional electronic solutions in which and Electronic Engineering, Nanyang Technological University, Singa- pore 637553, Singapore, and also

  6. Photonic quantum technologies

    E-Print Network [OSTI]

    Jeremy L. O'Brien; Akira Furusawa; Jelena Vu?kovi?

    2010-03-20T23:59:59.000Z

    The first quantum technology, which harnesses uniquely quantum mechanical effects for its core operation, has arrived in the form of commercially available quantum key distribution systems that achieve enhanced security by encoding information in photons such that information gained by an eavesdropper can be detected. Anticipated future quantum technologies include large-scale secure networks, enhanced measurement and lithography, and quantum information processors, promising exponentially greater computation power for particular tasks. Photonics is destined for a central role in such technologies owing to the need for high-speed transmission and the outstanding low-noise properties of photons. These technologies may use single photons or quantum states of bright laser beams, or both, and will undoubtably apply and drive state-of-the-art developments in photonics.

  7. IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 10, NO. 1, JANUARY 1998 81 Thermal Conductivity Reduction in GaAsAlAs

    E-Print Network [OSTI]

    Kolodzey, James

    , Senior Member, IEEE, and C. S. Ih, Member, IEEE Abstract--Self-heating of vertical-cavity laser diodes sensitive to internal heat- ing [1], [2]. Thermal resistance and self-heating of VCSEL's strongly depend to the stage. However, the measured self-heating of VCSEL's is consid- erably higher than expected from bulk

  8. 1214 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 14, NO. 8, AUGUST 2002 Optical Pump-Probe Measurements of the Latency of

    E-Print Network [OSTI]

    Miller, David A. B.

    -00-1-0024) through the University of New Mexico, and by DARPA/MARCO under the Interconnect Focus Center through of the Latency of Silicon CMOS Optical Interconnects Gordon A. Keeler, Student Member, IEEE, Diwakar Agarwal-integrated optoelectronic/silicon complementary metal≠oxide≠semicon- ductor (CMOS) chip designed for optical interconnection

  9. IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 20, NO. 14, JULY 15, 2008 1249 An Approach to the Measurement of Microwave

    E-Print Network [OSTI]

    Yao, Jianping

    and other electronic warfare applications thanks to the numerous advantages offered by photonics]­[3]. For defense applications, it is often required that a warfare system has the capability in estimating is with the Department of Information and Electronic Engineering, Zhejiang University, Hangzhou 310027, China, and also

  10. 1628 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 19, NO. 20, OCTOBER 15, 2007 Room-Temperature Operation of Buffer-Free

    E-Print Network [OSTI]

    Jalali. Bahram

    development of hybrid As-Sb VCSELs, avalanche photodiodes, and photonic integrated circuits. II. DEVICE DESIGN that require emitters operating beyond standard fiber-based communication wavelengths (1.55 m) such as carbon (CHTM), University of New Mexico (UNM), Albuquerque, NM 87106 USA (e-mail: huffaker

  11. IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS, VOL. 8, NO. 4, JULY/AUGUST 2002 935 3-D Photonic Circuit Technology

    E-Print Network [OSTI]

    Bowers, John

    IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS, VOL. 8, NO. 4, JULY/AUGUST 2002 935 3-D devel- oped today. By making the leap to multilayer interconnects, more compact devices can be obtained

  12. 1914 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 24, NO. 21, NOVEMBER 1, 2012 Hole-Assisted Few-Mode Multicore Fiber for

    E-Print Network [OSTI]

    Li, Guifang

    Richardson, Jesķs LiŮares, Carlos Montero, Eduardo Mateo, Xiang Zhou, and Guifang Li, Senior Member, IEEE_may_arrioja@hotmail.com). J. LiŮares and C. Montero are with the Faculty of Physics and the School of Optics and Optometry.linares.beiras@usc.es; carlos.montero@usc.es). E. Mateo is with the NEC Laboratory America, Princeton, NJ 08540 USA (e

  13. IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 26, NO. 18, SEPTEMBER 15, 2014 1805 A 10-Gb/s Silicon Microring Resonator-Based

    E-Print Network [OSTI]

    Bergman, Keren

    by the Optoelectronic Systems in Silicon under Grant FA9550-10-l-0439, and in part by Portage Bay Photonics. Q. Li, K

  14. IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 18, NO. 12, JUNE 15, 2006 1389 1.244-Gb/s Data Distribution in 60-GHz Remote

    E-Print Network [OSTI]

    Choi, Woo-Young

    in 60-GHz Remote Optical Frequency Up-Conversion Systems Jun-Hyuk Seo, Young-Kwang Seo, and Woo and Technology of Korea through the National Research Laboratory Program. J.-H. Seo and W.-Y. Choi@yonsei.ac.kr). Y.-K. Seo is with Digital Solution Center, Samsung Electronics Co., LTD, Seoul 135-524, Korea (e

  15. Wireless Technology in Industrial Networks Andreas Willig, Member, IEEE, Kirsten Matheus, Member, IEEE, Adam Wolisz, Senior

    E-Print Network [OSTI]

    Wichmann, Felix

    of existing wireless technologies for this specific field of applications, and iii) the creation of hybrid1 Wireless Technology in Industrial Networks Andreas Willig, Member, IEEE, Kirsten Matheus, Member), pp. 1130-1151 Abstract With the success of wireless technologies in consumer electronics, standard

  16. Center for Photonic Communication and Computing Laboratory for Atomic and Photonic Technology L. A. P. T.

    E-Print Network [OSTI]

    Rasio, Frederic A.

    . P. T. L. A. P. T. L. A. P. T. L. A. P. T. Manifestation of General Relativity in Practical for Atomic and Photonic Technology L. A. P. T. L. A. P. T. L. A. P. T. L. A. P. T. #12;Center for Photonic Communication and Computing Laboratory for Atomic and Photonic Technology L. A. P. T. L. A. P. T. L. A. P. T. L

  17. 502 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 57, NO. 1, JANUARY 2008 Combined Guard Channel and Mobile-Assisted

    E-Print Network [OSTI]

    Dharmaraja, S.

    502 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 57, NO. 1, JANUARY 2008 Combined Guard Channel and Mobile-Assisted Handoff for Cellular Networks B. B. Madan, Member, IEEE, S. Dharmaraja, Senior Member, IEEE, and K. S. Trivedi, Fellow, IEEE Abstract--For cellular communication systems, mobility

  18. IEEE Instrumentation and Measurement Technology Conference

    E-Print Network [OSTI]

    Gillespie, Brent

    , and light emitting diode brake- light messaging. These technologies all focus on improving the signal- ance, sensor, radar, fluorescence, light emitting diode. I. INTRODUCTION As a compromise between ∑ Radar reflection-enhanced license plates ∑ Vehicle-to-vehicle light emitting diode (LED) brake- light

  19. 0018-9162/02/$17.00 2002 IEEE42 Computer 2001 Technology

    E-Print Network [OSTI]

    Kahng, Andrew B.

    0018-9162/02/$17.00 © 2002 IEEE42 Computer 2001 Technology Roadmap for Semiconductors F or the past" of its R&D needs out to a 15-year horizon. As such, the Roadmap provides a guide to the efforts. Since its inception in 1992 as the National Technology Roadmap for Semiconductors (NTRS), the Roadmap

  20. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 54, NO. 3, MAY 2005 837 Modeling of a Hybrid Electric Vehicle Powertrain

    E-Print Network [OSTI]

    Mi, Chunting "Chris"

    -down system. Index Terms--Bond Graphs, hybrid electric vehicle (HEV), mechatronics, modeling, powertrain testIEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 54, NO. 3, MAY 2005 837 Modeling of a Hybrid Electric Vehicle Powertrain Test Cell Using Bond Graphs Mariano Filippa, Student Member, IEEE, Chunting Mi

  1. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 49, NO. 3, MAY 2000 965 Truncated Power Control in Code-Division

    E-Print Network [OSTI]

    Kim, Sang W.

    IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 49, NO. 3, MAY 2000 965 Truncated Power Control, Senior Member, IEEE Abstract--We analyze the performance of truncated power control in a code-division multiple-access (CDMA) communication system. This power control scheme compensates for propagation gain

  2. 322 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 56, NO. 1, JANUARY 2007 Mobility Management Strategy Based on User

    E-Print Network [OSTI]

    Latchman, Haniph A.

    322 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 56, NO. 1, JANUARY 2007 Mobility Management, and Phone Lin, Senior Member, IEEE Abstract--Mobility management plays an important role in wireless--Location management, mobility management, personal communication systems, user mobility pattern (UMP). I. INTRODUCTION

  3. 1350 IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY, VOL. 17, NO. 6, NOVEMBER 2009 HCCI Engine Combustion-Timing Control

    E-Print Network [OSTI]

    Krstic, Miroslav

    1350 IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY, VOL. 17, NO. 6, NOVEMBER 2009 HCCI Engine¬ī, Fellow, IEEE Abstract--Homogenous-charge-compression-ignition (HCCI) engines have the benefit of high for the determination of an optimal combustion-timing setpoint on an experimental HCCI engine. The use of ES has

  4. New solar cell technology captures high-energy photons more efficientl...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    (click to enlarge) Argonne's Center for Nanoscale Materials (click to enlarge) New solar cell technology captures high-energy photons more efficiently By Jared Sagoff *...

  5. IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY 1 Airborne Wind Energy Based on Dual Airfoils

    E-Print Network [OSTI]

    IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY 1 Airborne Wind Energy Based on Dual Airfoils Mario Zanon, Sīebastien Gros, Joel Andersson and Moritz Diehl Abstract--The Airborne Wind Energy paradigm Airborne Wind Energy enables flight in higher-altitude, stronger wind layers, the extra drag generated

  6. SUBMISSION TO IEEE TRANSACTIONS ON COMPONENTS AND PACKAGING TECHNOLOGIES 1 Application of the Spark Plasma Sintering

    E-Print Network [OSTI]

    Boyer, Edmond

    --semiconductor device packaging, power elec- tronics, Spark Plasma Sintering, Three-dimensional packaging. I Plasma Sintering Technique to Low-Temperature Copper Bonding Bassem Mouawad, Maher Soueidan, Damien FabrSUBMISSION TO IEEE TRANSACTIONS ON COMPONENTS AND PACKAGING TECHNOLOGIES 1 Application of the Spark

  7. IEEE VEHICULAR TECHNOLOGY CONFERENCE SPRING, 2003 1 Space-Time Block Coding applied to Turbo Coded

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    IEEE VEHICULAR TECHNOLOGY CONFERENCE SPRING, 2003 1 Space-Time Block Coding applied to Turbo Coded and a Turbo Code (TC) as channel code. MC-CDMA is likely to be one of the most promising access technique. Then, since Turbo Coded MC-CDMA was demonstrated to be very efficient for a Single Input Single Output

  8. Low dimension structures and devices for new generation photonic technology

    SciTech Connect (OSTI)

    Zhang, D. H.; Tang, D. Y.; Chen, T. P. [School of Electrical and Electronic Engineering, Nanyang Technological University, 679798 (Singapore); Mei, T. [Institute of Optoelectronic Materials and Technology, South China Normal University, Guangzhou 510631 (China); Yuan, X. C. [Institute of Modern Optics, Nankai University, Tianjin 300071 (China)

    2014-05-15T23:59:59.000Z

    Low dimensional structures and devices are the key technological building blocks for new generation of electronic and photonic technology. Such structures and devices show novel properties and can be integrated into systems for wide applications in many areas, including medical, biological and military and advancement of science. In this invited talk, I will present the main results achieved in our competitive research program which aims to explore the application of the mesoscopic structures in light source, manipulation and imaging and integrate them into advanced systems. In the light source aspect, we have for the first time developed graphene mode-locked lasers which are in the process of commercialization. Nanocrystal Si embedded in dielectrics was formed by ion implantation and subsequent annealing. Si light emitting devices with external quantum efficiency of about 2.9◊10{sup ?3}% for visible emission were demonstrated at room temperature and the color of emitted light can be tuned electrically from violet to white by varying the injected current. In light manipulation, loss compensation of surface plasmon polaritons (SPPs) using quantum well (QW) gain media was studied theoretically and demonstrated experimentally. The SPP propagation length was effectively elongated several times through electrical pumping. One and two microring resonators based on silicon on insulator and III-V semiconductors technologies have been successfully fabricated and they can be used as filter and switch in the photonic circuit. In imaging, both SPP and low dimension structures are investigated and resolution far beyond diffraction limit in visible range has been realized. The integration of the components in the three aspects into complicated systems is on the way.

  9. Revised Manuscript for IEEE Transactions on Components, Packaging and Manufacturing Technology CALCE, University of Maryland 1 July 4, 2012

    E-Print Network [OSTI]

    Sandborn, Peter

    concern amongst engineers about the reliability of electronic assemblies and the ramificationsRevised Manuscript for IEEE Transactions on Components, Packaging and Manufacturing Technology CALCE, University of Maryland 1 July 4, 2012 An Analysis of the Electronic Assembly Repair Process

  10. IEEE TRANSACTIONS ON EDUCATION, VOL. 44, NO. 2, MAY 2001 203 Technology Education Challenges and Solutions in Latin America

    E-Print Network [OSTI]

    IEEE TRANSACTIONS ON EDUCATION, VOL. 44, NO. 2, MAY 2001 203 Technology Education Challenges--Information technology education, Latin America, technology education I. SUMMARY The world has become dependent (IT&T), a term that encompasses the fields of Electrical and Computer Engineering, and Computer

  11. Web Portal for Photonic Technologies Using Grid Infrastructures

    E-Print Network [OSTI]

    H. V. Astsatryan; T. V. Gevorgyan; A. R. Shahinyan

    2013-01-09T23:59:59.000Z

    The modeling of physical processes is an integral part of scientific and technical research. In this area, the Extendible C++ Application in Quantum Technologies (ECAQT) package provides the numerical simulations and modeling of complex quantum systems in the presence of decoherence with wide applications in photonics. It allows creating models of interacting complex systems and simulates their time evolution with a number of available time-evolution drivers. Physical simulations involving massive amounts of calculations are often executed on distributed computing infrastructures. It is often difficult for non expert users to use such computational infrastructures or even to use advanced libraries over the infrastructures, because they often require being familiar with middleware and tools, parallel programming techniques and packages. The P-RADE Grid Portal is a Grid portal solution that allows users to manage the whole life-cycle for executing a parallel application on the computing Grid infrastructures. The article describes the functionality and the structure of the web portal based on ECAQT package.

  12. IEEE

    E-Print Network [OSTI]

    Unknown

    2011-08-17T23:59:59.000Z

    pointwise sum or pointwise Max{.) functions. Bellman and Zadehf3] early examined both representations. 0191-2216/93/$3.00 (0 1993 IEEE 1767 Bayes Form of Fuzzy Control Considering multiple-input, single-output control, define the input sensor variables.... Downloaded on February 18,2010 at 14:19:43 EST from IEEE Xplore. Restrictions apply. I 'I boundaries are fuzzy. As designers, we will choose the events to be unique and then do our best to model the Ai as vector-space subsets. Equation-(1...

  13. The Importance of Photonics Technology | GE Global Research

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    at Global Research. I would like to further highlight the importance of Photonics and Optics by pointing to a recent report written by the US National Academies with the help of...

  14. 1154 IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS, VOL. 48, NO. 4, JULY/AUGUST 2012 A Comparison of Smart Grid Technologies

    E-Print Network [OSTI]

    Sim√Ķes, Marcelo Godoy

    of Smart Grid Technologies and Progresses in Europe and the U.S. Marcelo Godoy Sim√Ķes, Senior Member, IEEE the electric power grid. The U.S. federal government has ratified the "smart grid initiative" as the official. This paper presents the development of smart grids and an analysis of the methodologies, milestones

  15. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 58, NO. 6, JULY 2009 2909 On Balancing Energy Consumption in

    E-Print Network [OSTI]

    Boutaba, Raouf

    IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 58, NO. 6, JULY 2009 2909 On Balancing Energy--Wireless sensor networks (WSNs) require protocols that make judicious use of the limited energy capacity of the sensor nodes. In this paper, the potential performance improve- ment gained by balancing the traffic

  16. IEEE TRANSACTIONS ON SMART GRID, VOL. 1, NO. 1, JUNE 2010 99 Security Technology for Smart Grid Networks

    E-Print Network [OSTI]

    Hu, Fei

    IEEE TRANSACTIONS ON SMART GRID, VOL. 1, NO. 1, JUNE 2010 99 Security Technology for Smart Grid for a smart grid system, including public key infrastructures and trusted computing. Index Terms--Attestation, public key infrastructure (PKI), Su- pervisory Control And Data Acquisition (SCADA), security, smart grid

  17. 718 IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY, VOL. 9, NO. 5, SEPTEMBER 2001 Reactive Power and Unbalance Compensation Using

    E-Print Network [OSTI]

    Stankoviæ, Aleksandar

    718 IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY, VOL. 9, NO. 5, SEPTEMBER 2001 Reactive Power as reactive power and unbalance compensators, e.g., Static synchronous compensator (STATCOM). The approach practice. Index Terms--Active filters, adaptive control, dissipative sys- tems, nonlinear systems, reactive

  18. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 54, NO. 5, SEPTEMBER 2005 1623 An Ultra-Wideband Transceiver Architecture for Low

    E-Print Network [OSTI]

    Southern California, University of

    Terms--Digital radio, impulse radio, low power, transceiver, ultra-wideband. I. INTRODUCTION.2005.854021 ultra-wideband signaling suitable for low power operation uses short pulses, on the orderIEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 54, NO. 5, SEPTEMBER 2005 1623 An Ultra

  19. 1756 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 55, NO. 6, NOVEMBER 2006 Electric Motor Drive Selection Issues for HEV

    E-Print Network [OSTI]

    1756 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 55, NO. 6, NOVEMBER 2006 Electric Motor Drive of electric motors adopted or under serious consideration for HEVs as well as for EVs include the dc motor) and the electric motor to deliver power in parallel to drive the wheels.

  20. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 49, NO. 5, SEPTEMBER 2000 1633 Mobility Modeling and Traffic Analysis

    E-Print Network [OSTI]

    Sung, Dan Keun

    IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 49, NO. 5, SEPTEMBER 2000 1633 Mobility Modeling future personal communications services, we need to solve various mobility/traffic problems in one, we extend the previous 3-D indoor mobility modeling by considering the proper boundary conditions

  1. IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY 1 Feed-Forward Control of Open Channel Flow Using Differential Flatness

    E-Print Network [OSTI]

    of the water flow are among the methods used to improve the efficiency of irrigation systems. These techIEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY 1 Feed-Forward Control of Open Channel Flow Using is assessed. A comparison is made with a similar problem available in the lit- erature for thermal systems

  2. IEEE TRANSACTION ON CONTROL SYSTEM TECHNOLOGY, VOL. XX, NO. Y, MONTH 2003 1 Control of Natural Gas Catalytic Partial

    E-Print Network [OSTI]

    Peng, Huei

    IEEE TRANSACTION ON CONTROL SYSTEM TECHNOLOGY, VOL. XX, NO. Y, MONTH 2003 1 Control of Natural Gas that reforms natural gas to hydrogen-rich mixture to feed the anode field of fuel cell stack is considered partial oxidation of the methane in the natural gas. We present a model-based control analysis and design

  3. 5214 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 58, NO. 9, NOVEMBER 2009 EDR: Efficient Decentralized Revocation Protocol

    E-Print Network [OSTI]

    Shen, Xuemin "Sherman"

    5214 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 58, NO. 9, NOVEMBER 2009 EDR: Efficient vehicles. In this paper, we propose an efficient decentralized revocation (EDR) protocol based on a novel of the decentralized nature of the EDR protocol, it enables a group of legitimate vehicles to perform fast revocation

  4. IEEE Transactions on Vehicular Technology CALL FOR PAPERS

    E-Print Network [OSTI]

    Fang, Yuguang "Michael"

    ), Renewable Energy Systems and Vehicular Technology Laboratory, University of Texas- Arlington, E, circuit, and system level issues for energy storage, power electronics, and electromechanical energy-cycle effects Fault-tolerant control of electromechanical energy convertors Reliability and availability

  5. Precision linac and laser technologies for nuclear photonics gamma-ray sources

    SciTech Connect (OSTI)

    Albert, F.; Hartemann, F. V.; Anderson, S. G.; Cross, R. R.; Gibson, D. J.; Hall, J.; Marsh, R. A.; Messerly, M.; Wu, S. S.; Siders, C. W.; Barty, C. P. J. [Lawrence Livermore National Laboratory, NIF and Photon Science, 7000 East Avenue, Livermore, California 94550 (United States)

    2012-05-15T23:59:59.000Z

    Tunable, high precision gamma-ray sources are under development to enable nuclear photonics, an emerging field of research. This paper focuses on the technological and theoretical challenges related to precision Compton scattering gamma-ray sources. In this scheme, incident laser photons are scattered and Doppler upshifted by a high brightness electron beam to generate tunable and highly collimated gamma-ray pulses. The electron and laser beam parameters can be optimized to achieve the spectral brightness and narrow bandwidth required by nuclear photonics applications. A description of the design of the next generation precision gamma-ray source currently under construction at Lawrence Livermore National Laboratory is presented, along with the underlying motivations. Within this context, high-gradient X-band technology, used in conjunction with fiber-based photocathode drive laser and diode pumped solid-state interaction laser technologies, will be shown to offer optimal performance for high gamma-ray spectral flux, narrow bandwidth applications.

  6. IEEE TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS, VOL. 25, NO. 2, FEBRUARY 2006 211 Microfluidics-Based Biochips: Technology

    E-Print Network [OSTI]

    Chakrabarty, Krishnendu

    , FEBRUARY 2006 211 Microfluidics-Based Biochips: Technology Issues, Implementation Platforms, and Design, Fellow, IEEE Abstract--Microfluidics-based biochips are soon expected to revolutionize clinical diagnosis microfluidics offers a scalable system architecture and dynamic reconfigurability; groups of unit cells

  7. EK 131/132 Photonics Engineering with light Photonics is used in advanced technology as well as everyday familiar objects. This 6 week freshman

    E-Print Network [OSTI]

    EK 131/132 Photonics ≠ Engineering with light Photonics is used in advanced technology as well: golden rule, follower, non-inverting amplifier, inverting amplifier Optoelectronics: Band gap, Optical: Using breadboards, oscilloscope, voltmeter, function generator, using op-amps, reading C and R, Reading

  8. An ion trap built with photonic crystal fibre technology

    E-Print Network [OSTI]

    F. Lindenfelser; B. Keitch; D. Kienzler; D. Bykov; P. Uebel; M. A. Schmidt; P. St. J. Russell; J. P. Home

    2015-01-20T23:59:59.000Z

    We demonstrate a surface-electrode ion trap fabricated using techniques transferred from the manufacture of photonic-crystal fibres. This provides a relatively straightforward route for realizing traps with an electrode structure on the 100 micron scale with high optical access. We demonstrate the basic functionality of the trap by cooling a single ion to the quantum ground state, allowing us to measure a heating rate from the ground state of 787(24) quanta/s. Variation of the fabrication procedure used here may provide access to traps in this geometry with trap scales between 100 um and 10 um.

  9. An ion trap built with photonic crystal fibre technology

    E-Print Network [OSTI]

    Lindenfelser, F; Kienzler, D; Bykov, D; Uebel, P; Schmidt, M A; Russell, P St J; Home, J P

    2015-01-01T23:59:59.000Z

    We demonstrate a surface-electrode ion trap fabricated using techniques transferred from the manufacture of photonic-crystal fibres. This provides a relatively straightforward route for realizing traps with an electrode structure on the 100 micron scale with high optical access. We demonstrate the basic functionality of the trap by cooling a single ion to the quantum ground state, allowing us to measure a heating rate from the ground state of 787(24) quanta/s. Variation of the fabrication procedure used here may provide access to traps in this geometry with trap scales between 100 um and 10 um.

  10. Ultra-fast heralded single photon source based on telecom technology

    E-Print Network [OSTI]

    Lutfi Arif Ngah; Olivier Alibart; Laurent Labontť; Virginia D'Auria; Sťbastien Tanzilli

    2014-12-17T23:59:59.000Z

    The realization of an ultra-fast source of heralded single photons emitted at the wavelength of 1540 nm is reported. The presented strategy is based on state-of-the-art telecom technology, combined with off-the-shelf fiber components and waveguide non-linear stages pumped by a 10 GHz repetition rate laser. The single photons are heralded at a rate as high as 2.1 MHz with a heralding efficiency of 42%. Single photon character of the source is inferred by measuring the second-order autocorrelation function. For the highest heralding rate, a value as low as 0.023 is found. This not only proves negligible multi-photon contributions but also represents the best measured value reported to date for heralding rates in the MHz regime. These prime performances, associated with a device-like configuration, are key ingredients for both fast and secure quantum communication protocols.

  11. Proposal for a Photonic Remote Active Heat Sink Technology (PHRAHST)

    E-Print Network [OSTI]

    Dimitropoulos, Dimitris

    2008-01-01T23:59:59.000Z

    We propose a new method to effect heat removal from an object by using a laser beam. The proposed method is based on inelastic scattering of a laser beam from the object and in particular by making the anti-Stokes emission more efficient than the Stokes emission. In that manner more energy is removed from the body per unit time than deposited. Various ways are outlined in order to achieve this result ranging from careful selection of the laser frequency with respect to the resonant frequencies of the medium, use of the frequency dependence of the density of electromagnetic modes in a three-dimensional system, use of photonic crystals and the polarization dependence of electromagnetic modes in cavities. The proposed methods could find use for example in the cooling of devices of nanoscale dimensions.

  12. EMERGING TECHNOLOGIES Two-photon excitation chlorophyll fluorescence lifetime imaging

    E-Print Network [OSTI]

    Qu, Jianan

    at higher Cd concentration was clearly identified. The decay of chlorophyll fluorescence extracted from) toxicity Abbreviations Cd Cadmium PS Photosystem LHCII Light-harvesting complex II PAM Pulse and Computer Engineering, Hong Kong University of Science and Technology (HKUST), Clear Water Bay, Kowloon

  13. Photonics Technicians Precision Optics Technicians

    E-Print Network [OSTI]

    Van Stryland, Eric

    enrollment ∑ Photonics Infusion: in Enabled Technologies One or two photonics courses for technician

  14. Photonics at Sandia National Laboratories: Applying device technology to communication systems

    SciTech Connect (OSTI)

    Carson, R.F.

    1995-07-01T23:59:59.000Z

    Photonic device activities at Sandia National Laboratories are founded on an extensive materials research program that has expanded to include device development, and an applications focus that heavily emphasizes communications and interconnects. The resulting program spans a full range of photonics research, development, and applications projects, from materials synthesis and device fabrication to packaging, test, and subsystem development. The heart of this effort is the Compound Semiconductor Research Laboratory which was established in 1988 to bring together device and materials research and development to support Sandia`s role in weapons technologies. This paper presents an overview of Sandia`s photonics program and its directions, using three communications-based applications as examples.

  15. in Integrated Passive Component Technology, R. Ulrich and L. Schaper editors, Wiley-IEEE Press, 2003. 13. The Economics of Embedded Passives

    E-Print Network [OSTI]

    Sandborn, Peter

    technology. On the bright side, the use of embedded passives reduces assembly costs, shrinks the required1 in Integrated Passive Component Technology, R. Ulrich and L. Schaper editors, Wiley-IEEE Press in the design of electronic systems did not concern themselves with the cost effectiveness of their design

  16. JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 23, NO. 11, NOVEMBER 2005 3517 Heating of Hollow Photonic Bragg Fibers From

    E-Print Network [OSTI]

    JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 23, NO. 11, NOVEMBER 2005 3517 Heating of Hollow Photonic, C. Anastassiou, and B. Temelkuran Abstract--We investigate heating from field propagation, cou wavelength. To transfer this novel technology into the industrial domain, one has to deal with a variety

  17. 32 IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY, VOL. 10, NO. 1, JANUARY 2002 A Fuzzy Logic Approach to LQG Design With

    E-Print Network [OSTI]

    Collins, Emmanuel

    32 IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY, VOL. 10, NO. 1, JANUARY 2002 A Fuzzy Logic F. Selekwa Abstract--One of the well-known deficiencies of most modern control methods [i.e., 2 based on "modern" control theory are based upon finding a control law that minimizes or con- strains

  18. 598 IEEE TRANSACTIONS ON COMPONENTS AND PACKAGING TECHNOLOGIES, VOL. 26, NO. 3, SEPTEMBER 2003 Thermal Design Methodology for High-Heat-Flux

    E-Print Network [OSTI]

    Qu, Weilin

    598 IEEE TRANSACTIONS ON COMPONENTS AND PACKAGING TECHNOLOGIES, VOL. 26, NO. 3, SEPTEMBER 2003 Thermal Design Methodology for High-Heat-Flux Single-Phase and Two-Phase Micro-Channel Heat Sinks Weilin of single-phase and two-phase micro-channel heat sinks. The first part of the paper concerns single

  19. 478 IEEE TRANSACTIONS ON COMPONENTS AND PACKAGING TECHNOLOGIES, VOL. 31, NO. 2, JUNE 2008 Reliability and Failure Analysis of Lead-Free

    E-Print Network [OSTI]

    Kim, Yong Jung

    in Korea through "Development of Reliability Design Technique and Life Prediction Model for Electronic478 IEEE TRANSACTIONS ON COMPONENTS AND PACKAGING TECHNOLOGIES, VOL. 31, NO. 2, JUNE 2008 Reliability and Failure Analysis of Lead-Free Solder Joints for PBGA Package Under a Cyclic Bending Load Ilho

  20. IEEE Vehicular Technology Conference, pp. 2048-2052, October 2001, Atlantic City, New Jersey Performance of Smart Antennas with Adaptive Combining at Handsets

    E-Print Network [OSTI]

    Ha, Dong S.

    IEEE Vehicular Technology Conference, pp. 2048-2052, October 2001, Atlantic City, New Jersey 2048 Performance of Smart Antennas with Adaptive Combining at Handsets for the 3GPP WCDMA System Suk Won Kim1 the performance gain of dual smart antennas with an adaptive combining at handsets for the 3GPP WCDMA system

  1. IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, VOL. 11, NO. 5, MAY 2001 603 Semantic Video Object Extraction Using Four-Band

    E-Print Network [OSTI]

    Gatica-Perez, Daniel

    IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, VOL. 11, NO. 5, MAY 2001 603 the problem of multiple semantic video object (SVO) extraction as an issue of designing extensive opera- tors- rates an edge-driven marker extraction algorithm and a growing method which integrates both color

  2. IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 20, NO. 6, MARCH 15, 2008 413 Resonant-Cavity-Enhanced Single-Photon Avalanche

    E-Print Network [OSTI]

    deple- tion layer leads to high operating voltage, causing substantial power dissipation and self-heating.Emsley@analog.com). M. S. ‹nlŁ is with the Department of Electrical and Computer Engineering, Boston University, Boston, the need of ensuring a high electric field strength (above the critical value for breakdown) over a thick

  3. IEEE Communications Magazine April 2005100 0163-6804/05/$20.00 2005 IEEE TOPICS IN EMERGING TECHNOLOGIES

    E-Print Network [OSTI]

    Chen, Yuanzhu Peter

    technologies to survive crashes (e.g., seat belts, airbags) are cru- cial, there is need for active safety

  4. IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 22, NO. 19, OCTOBER 1, 2010 1437 Instantaneous Microwave Frequency Measurement

    E-Print Network [OSTI]

    Yao, Jianping

    accuracy better than 0.2 GHz is experimentally demonstrated. Index Terms--Electronic warfare, instantaneous, polarization modulator. I. INTRODUCTION I N the field of electronic warfare, it is important to analyze

  5. IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 19, NO. 22, NOVEMBER 15, 2007 1843 Midwavelength Infrared Avalanche Photodiode

    E-Print Network [OSTI]

    Krishna, Sanjay

    -dependent measurements were performed on 300 2300 m2 mesa etched APDs. The effect of passivation was also studied), multiplication gain, strain layer su- perlattice (SLS). I. INTRODUCTION MODERN weapon systems need to detect

  6. IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY, VOL. 20, NO. 4, JULY 2012 1011 Brief Papers

    E-Print Network [OSTI]

    Shapiro, Benjamin

    Steering a Ferromagnetic Particle by Optimal Magnetic Feedback Control Arash Komaee, Member, IEEE, and Benjamin Shapiro Abstract--A class of feedback control policies for steering a mag- netic particle. Control design relies on a dynamical model which exploits the low-pass character of the electromagnets

  7. Photon Physics and Plasma Research, WILGA 2012; EuCARD Sessions

    E-Print Network [OSTI]

    Romaniuk, R S

    2012-01-01T23:59:59.000Z

    Wilga Sessions on HEP experiments, astroparticle physica and accelerator technology were organized under the umbrella of the EU FP7 Project EuCARD Ė European Coordination for Accelerator Research and Development. This paper is the third part (out of five) of the research survey of WILGA Symposium work, May 2012 Edition, concerned with Photon Physics and Plasma Research. It presents a digest of chosen technical work results shown by young researchers from different technical universities from this country during the Jubilee XXXth SPIE-IEEE Wilga 2012, May Edition, symposium on Photonics and Web Engineering. Topical tracks of the symposium embraced, among others, nanomaterials and nanotechnologies for photonics, sensory and nonlinear optical fibers, object oriented design of hardware, photonic metrology, optoelectronics and photonics applications, photonics-electronics co-design, optoelectronic and electronic systems for astronomy and high energy physics experiments, JET tokamak and pi-of-the sky experiments ...

  8. SINGLE-PHOTON EMISSION COMPUTED TOMOGRAPHY: COMPENSATION FOR CONSTANT ATTENUATION

    E-Print Network [OSTI]

    Gullberg, Grant T.

    2013-01-01T23:59:59.000Z

    in radionuclide computed tomography," IEEE Trans. Nucl.49. M.E.Phelps, Emission computed tomography,~~ Seminars inSINGLE-PHOTON EMISSION COMPUTED TOMOGRAPHY: COMPENSATION FOR

  9. Fabrication technology of heterojunctions in the lattice of a 2D photonic crystal based on macroporous silicon

    SciTech Connect (OSTI)

    Zharova, Yu. A., E-mail: piliouguina@mail.ioffe.ru; Fedulova, G. V.; Astrova, E. V. [Russian Academy of Sciences, Ioffe Physical Technical Institute (Russian Federation); Baldycheva, A. V. [University of Dublin, Trinity College, Department of Electronic and Electrical Engineering (Ireland); Tolmachev, V. A. [Russian Academy of Sciences, Ioffe Physical Technical Institute (Russian Federation); Perova, T. S. [University of Dublin, Trinity College, Department of Electronic and Electrical Engineering (Ireland)

    2011-08-15T23:59:59.000Z

    Design and fabrication technology of a microcavity structure based on a double heterojunction in macroporous silicon is suggested. The fabrication process of a strip of a 2D photonic crystal constituted by a finite number of lattice periods and the technique for defect formation by local opening of macropores on the substrate side, followed by filling of these macropores with a nematic liquid crystal, are considered.

  10. SUBMITTED FOR PUBLICATION TO: IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, JULY 5, 2004 1 Wireless Communication with Smart Photonic

    E-Print Network [OSTI]

    Tanner, Herbert G.

    photonics to gradually replace conven- tional RF components, such as the coax interconnecting the antenna are with the De- partment of Electrical and Computer Engineering of the University of New Mexico, Albuquerque, NM of the University of New Mexico, MSC01 1150, Albuquerque, NM 87131, tanner@me.unm.edu. Tsai Liao

  11. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 52, NO. 6, NOVEMBER 2003 1447 Adaptive Predictive Power Control for the

    E-Print Network [OSTI]

    Sayed, Ali

    Power Control for the Uplink Channel in DS-CDMA Cellular Systems Mansour A. Aldajani, Member, IEEE, and Ali H. Sayed, Fellow, IEEE Abstract--In this paper, we analyze the conventional closed-loop power-control an expression for the power-control error in terms of the channel fading, which suggests methods for reducing

  12. IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY, VOL. 7, NO. 5, SEPTEMBER 1999 567 Centrifugal Compressor Surge and Speed Control

    E-Print Network [OSTI]

    Gravdahl, Jan Tommy

    Compressor Surge and Speed Control Jan Tommy Gravdahl, Member, IEEE, and Olav Egeland, Member, IEEE Abstract--Previous work on stabilization of compressor surge is extended to include control of the angular velocity of the compressor. First a low-order centrifugal compressor model is presented where the states are mass flow

  13. Blind System Identification KARIM ABED-MERAIM, WANZHI QIU, MEMBER, IEEE, AND YINGBO HUA, SENIOR MEMBER, IEEE

    E-Print Network [OSTI]

    Hua, Yingbo

    Blind System Identification KARIM ABED-MERAIM, WANZHI QIU, MEMBER, IEEE, AND YINGBO HUA, SENIOR MEMBER, IEEE Blind system identification (BSI) is a fundamental signal processing technology aimed applications such as mobile communications, speech reverberation cancellation, and blind image restoration

  14. IEEE International Symposium on Circuits and Systems, Vancouver Canada May 2004. c IEEE 2004 PROBABILISTIC LOAD-DEPENDENT CASCADING FAILURE

    E-Print Network [OSTI]

    for Energy Efficiency and Renewable Energy, Office of Power Technologies, Transmission Reliabil- ity ProgramIEEE International Symposium on Circuits and Systems, Vancouver Canada May 2004. c IEEE 2004

  15. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 59, NO. 4, MAY 2010 1779 Voice-Service Capacity Analysis for

    E-Print Network [OSTI]

    Jiang, Hai

    ] and recently promoted by the U.S. Federal Communications Commission [4], provides an effective and efficient in part at the IEEE International Conference on Communications 2009 [1]. The review of this paper

  16. Non-pollutingAutomobiles IEEE transactions on Vehicular TechnologY, VOL 43, No 4, Nov 94

    E-Print Network [OSTI]

    Szabados, Barna

    devices are identified: - electro-chemical (batteries) -hydrogen - electro-mechanical (flywheels) - Molten salt heat storage A high speed flywheel with a small permanent magnet motor/generator has more. A flywheel/motor/generator system for automobiles becomes now practical, because of the technological

  17. IEEE Spectrum, Vol. 38, No. 9, Sept. 2001 Congress Needs Nonpartisan Advice on Science and Technology

    E-Print Network [OSTI]

    Peha, Jon M.

    science or technology at their core, including health care, energy, national defense, agriculture and make its own case - then policy-makers judge the conflicting input, and make compromises. This approach

  18. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 56, NO. 1, JANUARY 2007 81 A Loss-Minimization DTC Scheme

    E-Print Network [OSTI]

    .1109/TVT.2006.889562 EVs have low energy density and long charging time for the present batteries Scheme for EV Induction Motors Abdelhakim Haddoun, Mohamed El Hachemi Benbouzid, Senior Member, IEEE--This paper proposes a strategy to minimize the losses of an induction motor propelling an electric vehicle

  19. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 56, NO. 3, MAY 2007 1197 An Interleave-Division-Multiplexing MISO System

    E-Print Network [OSTI]

    Ping, Li

    -Division-Multiplexing MISO System With Partial CSI at Transmitter Chuxiang Li, Kai Li, Xiaodong Wang, Senior Member, IEEE-division-multiplexing (IDM) multiple-input≠ single-output (MISO) system with partial channel state information (CSI the performance of such an IDM-MISO system. In particular, an SNR tracking method is proposed to calculate

  20. IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY, VOL. 7, NO. 2, MARCH 1999 271 Sliding Mode Measurement Feedback Control

    E-Print Network [OSTI]

    Kachroo, Pushkin

    Measurement Feedback Control for Antilock Braking Systems Cem ®Unsal, Member, IEEE, and Pushkin Kachroo, R. Takahashi. This material is based upon work supported by VDOT and Virginia Tech's Center of vehicle motion and stability by providing anti-skid braking and anti- spin acceleration. The design

  1. 314 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 58, NO. 1, JANUARY 2009 Exploiting Location Information for Concurrent

    E-Print Network [OSTI]

    Hou, Y. Thomas

    Information for Concurrent Transmissions in Multihop Wireless Networks Seung Min Hur, Shiwen Mao, Member, IEEE "feasible" concurrent transmissions in a multihop wireless network. A simple procedure based on location information is adopted in the pro- posed MAC to validate the feasibility of a concurrent transmission. Our

  2. 1554 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 61, NO. 4, MAY 2012 Analytical Approach for the Power Management of

    E-Print Network [OSTI]

    Mi, Chunting "Chris"

    the minimum system loss for a given mechanical power output, and a piecewise linear fuel consumption model for the Power Management of Blended-Mode Plug-In Hybrid Electric Vehicles Menyang Zhang, Member, IEEE, Yan Yang for hybrid electric vehicles (HEVs) and plug-in HEVs (PHEV). A vehicle power distribution density function

  3. 1254 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 52, NO. 5, SEPTEMBER 2003 Effect of Personal Mobility Management in

    E-Print Network [OSTI]

    Sung, Dan Keun

    Mobility Management in Mobile Communication Networks Yun Won Chung, Member, IEEE, Min Young Chung, i.e., the ratio of cost per unit time for supporting both terminal mobility (TM) and PM management in the implementation of PM management in IMT-2000. Index Terms--Mobility management, personal mobility, uni- versal

  4. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 49, NO. 3, MAY 2000 1029 Performance Analysis of a Downlink MAC Protocol

    E-Print Network [OSTI]

    Chamzas, Christodoulos

    of a Downlink MAC Protocol with Power-Saving Support Apostolis K. Salkintzis, Member, IEEE, and Christodoulos protocol, which features power-saving character- istics and has been previously proposed [3], [7 makes it different from the other power-saving alternatives, is that it does not require system

  5. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 50, NO. 1, JANUARY 2001 125 The Application of Neural Networks to Fuel

    E-Print Network [OSTI]

    Stengel, Robert F.

    of Neural Networks to Fuel Processors for Fuel-Cell Vehicles Laura C. Iwan and Robert F. Stengel, Fellow, IEEE Abstract--Passenger vehicles fueled by hydrocarbons or alco- hols and powered by proton exchange membrane (PEM) fuel cells address world air quality and fuel supply concerns while avoiding hydrogen

  6. IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 61, NO. 1, JANUARY 2012 111 Reducing Greenhouse Effects via Fuel

    E-Print Network [OSTI]

    Chuah, Chen-Nee

    Effects via Fuel Consumption-Aware Variable Speed Limit (FC-VSL) Bojin Liu, Dipak Ghosal, Member, IEEE of climate change and the ever-increasing demand for fossil fuels, the ability to reduce vehicular carbon a carbon- footprint/fuel-consumption-aware variable-speed limit (FC-VSL) traffic control scheme

  7. 74 IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY, VOL. 5, NO. 1, JANUARY 1997 Robust Wide-Range Control of

    E-Print Network [OSTI]

    Ray, Asok

    -Range Control of Steam-Electric Power Plants Chen-Kuo Weng and Asok Ray, Senior Member, IEEE Abstract-range robust control of commercial-scale steam-electric power plants. In the proposed methodology based on a nonlinear state-space model of a 525 MWe fossil-fueled power plant. The synthesis of an FFC

  8. IEEE TRANSACTIONS ON COMPONENTS AND PACKAGING TECHNOLOGIES, VOL. 26, NO. 2, JUNE 2003 359 Microjet Cooling Devices for Thermal Management

    E-Print Network [OSTI]

    Lee, Jeong-Bong

    is the cooling of a central processing unit (CPU) in an electronic system. A CPU cooling fan, in conjunction Cooling Devices for Thermal Management of Electronics Dan S. Kercher, Jeong-Bong Lee, Oliver Brand, Mark G. Allen, Member, IEEE, and Ari Glezer Abstract--This research is an effort to demonstrate the applica

  9. IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY 1 Rate-Distortion Optimized Joint Source/Channel

    E-Print Network [OSTI]

    Chuah, Chen-Nee

    technical35 difficulties: 1) unavoidable packet losses due to temporary36 wireless link failures, and 2, IEEE Abstract--Because of unavoidable wireless packet losses and1 inapplicability of retransmission reception than nth-7 percentile user (poor users) suffer substantial channel losses,8 while users

  10. 630 nature photonics | VOL 3 | NOVEMBER 2009 | www.nature.com/naturephotonics industry perspective technology focus

    E-Print Network [OSTI]

    Cai, Long

    sources and detectors coming onto the market, terahertz imaging is starting to become a valuable tool, a small one-dimensional (1D) array of detectors is used to measure the THz radiation either emitted only detection technology (there is no need for an external source) and can image an object many metres

  11. 1218 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 24, NO. 14, JULY 15, 2012 Coherent Dual-Frequency Emission of a

    E-Print Network [OSTI]

    ≠ through excitation to a common atomic level by two phase- coherent laser fields nearly resonant- frequency diode laser [2] and electronic phase-locking of two independent lasers [3]. Though the latter configuration is ideal from a metrological point of view, it requires a complex and costly wideband phase-locked

  12. 1280 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 23, NO. 18, SEPTEMBER 15, 2011 Four-Dimensional Nonbinary LDPC-Coded

    E-Print Network [OSTI]

    Djordjevic, Ivan B.

    /100 Gigabit Ethernet (40/100 GbE) was ratified in June 2010 as a response to the ever-increasing demands formats to achieve high aggregate bit rates and nonbinary LDPC codes for forward error correction (FEC to meet the pro- jected demand, some advocate a more conservative upgrade to 400 GbE first. Regardless

  13. IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 20, NO. 13, JULY 1, 2008 1151 Low-Cost Optoelectronic Self-Injection-Locked

    E-Print Network [OSTI]

    Choi, Woo-Young

    -mail: Kamituna@aecl. ntt.co.jp). Color versions of the figures in this letter are available online at http

  14. IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 17, NO. 11, NOVEMBER 2005 2415 Optically Injection-Locked Self-Oscillating

    E-Print Network [OSTI]

    Choi, Woo-Young

    -0198, Japan (e-mail: kami- tuna@aecl.ntt.co.jp; minoru@mail.rdc.ntt.co.jp; minoru@mail.rdc.ntt.co.jp). Digital

  15. IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 13, NO. 7, JULY 2001 705 45-GHz Bandwidth-Efficiency Resonant-Cavity-

    E-Print Network [OSTI]

    Aytur, Orhan

    is measured by the bandwidth-efficiency product (BWE) and is limited for conventional vertically illuminated layer thickness. To overcome the BWE limitation for such conventional VPDs, two alternative detection lowering the detector bandwidth [5]. Extremely high BWE values are achieved using Schottky, p

  16. IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 12, NO. 6, JUNE 2000 603 Low-Temperature Sensitive, Compressively Strained

    E-Print Network [OSTI]

    Gilchrist, James F.

    of tensile-strained barriers (InGaP) can provide strain compensation and reduce active region carrier leakage

  17. 714 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 12, NO. 6, JUNE 2000 Skew and Jitter Removal Using Short Optical Pulses

    E-Print Network [OSTI]

    Miller, David A. B.

    , and retransmission of digital data. Index Terms--CMOS integrated circuits, optical intercon- nections, optical pulses, system design, and timing issues. Here, we define short pulse optical interconnects as those using-98-1-0002, and a subaward from the University of New Mexico. The authors are with the Departments of Applied Physics

  18. IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 22, NO. 10, MAY 15, 2010 715 Optical Arbitrary Waveform Generation-Based

    E-Print Network [OSTI]

    Kolner, Brian H.

    -bit 40-Gb/s label in nonreturn-to-zero and return-to- zero on≠off keying formats indicate Generation-Based Packet Generation and All-Optical Separation for Optical-Label Switching Tingting He--This letter introduces a versatile modulation-format transparent optical-label switching (OLS) transmitter

  19. Wide-open, high-resolution microwave/millimeter-wave Doppler frequency shift estimation using photonics technology

    E-Print Network [OSTI]

    Zou, Xihua; Lu, Bing; Pan, Wei; Yan, Lianshan; Shao, Liyang

    2014-01-01T23:59:59.000Z

    Today, wide-open, high-resolution Doppler frequency shift (DFS) estimation is essential for radar, microwave/millimeter-wave, and communication systems. Using photonics technology, an effective approach is proposed and experimentally demonstrated, providing a high-resolution and frequency-independent solution. In the approach consisting of two cascaded opto-electronic modulators, DFS between the transmitted microwave/ millimeter-wave signal and the received echo signal is mapped into a doubled spacing between two target optical sidebands. Subsequently, the DFS is then estimated through the spectrum analysis of a generated low-frequency electrical signal, with an improved resolution by a factor of 2. In experiments, DFSs from -90 to 90 KHz are successfully estimated for microwave/millimeter-wave signals at 10, 15, and 30 GHz, where estimation errors keep lower than +/- 5e-10 Hz. For radial velocity measurement, these results reveal a range from 0 to 900 m/s (0 to 450 m/s) and a resolution of 1e-11 m/s (5e-12 m...

  20. Photonics.com Spectra Home Technology World Innovative Products Business World Presstime Bulletin Article Abstracts Accent on Applications Photonics Research Subs Accent on Applications | September 2006

    E-Print Network [OSTI]

    Suslick, Kenneth S.

    Using photonics to solve problems of the real world Testing (and Tasting) Beer on Sight by Hank Hogan beer- testing technique that essentially tastes and smells a substance visually. Suslick, the Marvin T that the new method successfully distinguishes various beers, detects dilution resulting from added water

  1. Text of article published in IEEE Smart Grid, March 2012. http://smartgrid.ieee.org/march-2012/527-microgrids-an-emerging-technology-to-enhance-power-system-

    E-Print Network [OSTI]

    /527-microgrids-an-emerging-technology-to-enhance-power-system- reliability Title: Microgrids: An emerging solution to combat reduced power reliability Authors: Siddharth Suryanarayanan, Elias Kyriakides on the society. Such recent international events include: the major power outage in the San Diego area

  2. CASAS: A Smart Home in a Box Diane J. Cook, IEEE Fellow, Aaron S. Crandall, IEEE Member, Brian L. Thomas, IEEE Member,

    E-Print Network [OSTI]

    Cook, Diane J.

    CASAS: A Smart Home in a Box Diane J. Cook, IEEE Fellow, Aaron S. Crandall, IEEE Member, Brian L,acrandal,bthomas,ckn}@eecs.wsu.edu Abstract. While the potential benefits of smart home technology are widely recognized, a lightweight design is needed for the benefits to be realized at a large scale. We introduce the CASAS "smart home in a box

  3. A JOINT PROGRAM OF Photonics and

    E-Print Network [OSTI]

    placements can be in government agencies; laser, photonics and optics companies; or other private firms. Are you fascinated by display technologies, solar energy, laser technologies (such as surgery

  4. 596 IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, VOL. 18, NO. 5, MAY 2008 Energy Minimization of Portable Video

    E-Print Network [OSTI]

    He, Zhihai "Henry"

    DBI-0529082. This paper was recommended by Associate Editor D. S. Turaga. Z. He and W. Cheng, Senior Member, IEEE, Wenye Cheng, and Xi Chen Abstract--Portable video communication devices operate

  5. 654 IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY, VOL. 18, NO. 3, MAY 2010 Model-Based Electrochemical Estimation and

    E-Print Network [OSTI]

    -Based Electrochemical Estimation and Constraint Management for Pulse Operation of Lithium Ion Batteries Kandler A. Smith Technologies, Graduate Automotive Technology Education Pro- gram. This work was performed at the Pennsylvania-mail: kandlers@hotmail.com; kandler_smith@nrel.gov). C. D. Rahn and C.-Y. Wang are with the Department

  6. Photon-photon collisions

    SciTech Connect (OSTI)

    Brodsky, S.J.

    1988-07-01T23:59:59.000Z

    Highlights of the VIIIth International Workshop on Photon-Photon Collisions are reviewed. New experimental and theoretical results were reported in virtually every area of ..gamma gamma.. physics, particularly in exotic resonance production and tests of quantum chromodynamics where asymptotic freedom and factorization theorems provide predictions for both inclusive and exclusive ..gamma gamma.. reactions at high momentum transfer. 73 refs., 12 figs.

  7. IEEE TRANSACTIONS ON ELECTRON DEVICES, VOL. 56, NO. 8, AUGUST 2009 1567 Modeling, Analysis, and Design of Graphene

    E-Print Network [OSTI]

    , and Design of Graphene Nano-Ribbon Interconnects Chuan Xu, Student Member, IEEE, Hong Li, Student Member, IEEE, and Kaustav Banerjee, Senior Member, IEEE Abstract--Graphene nanoribbons (GNRs) are considered insights into the process technology development for GNR interconnects. Index Terms--Armchair graphene

  8. IEEE Copyright Statement: Copyright IEEE.

    E-Print Network [OSTI]

    Ilic, Marija D.

    these documents, you agree to all provisions of the copyright laws protecting them. MARIJA D. ILIC'S IEEE PAPERS 2011.00 Mitigating Blackouts via Smart Relays: A Machine Learning Approach Yi Zhang ; Ilic, M

  9. 77JANUARY 2010 WEB TECHNOLOGIES

    E-Print Network [OSTI]

    Bystroff, Chris

    77JANUARY 2010 WEB TECHNOLOGIES Published by the IEEE Computer Society0018-9162/10/$26.00 © 2010 IEEE Web 3.0: The Dawn of Semantic Search I n the past two January edi- tions of this Computer column, I've had the pleasure of writ- ing about the status of the Semantic Web, and particularly of its

  10. Proceedings of the 29 IEEE Photovoltaics Specialists Conference (IEEE, 2002)

    E-Print Network [OSTI]

    Schiff, Eric A.

    Proceedings of the 29 th IEEE Photovoltaics Specialists Conference (IEEE, 2002) THERMIONIC EMISSION-[2], APL93-[5]. #12;Proceedings of the 29 th IEEE Photovoltaics Specialists Conference (IEEE, 2002

  11. IEEE TRANSACTIONS ON COMPONENTS AND PACKAGING TECHNOLOGIES, VOL. 25, NO. 3, SEPTEMBER 2002 347 Closed-Loop Electroosmotic Microchannel

    E-Print Network [OSTI]

    Santiago, Juan G.

    for microprocessor cooling because they do not require an external electrical power supply and the working fluid Closed-Loop Electroosmotic Microchannel Cooling System for VLSI Circuits Linan Jiang, James Mikkelsen circuits motivate research on compact cooling technologies with low thermal resistance. This paper develops

  12. IEEE COMUNICATIONS MAGAZINE SUBMITTED (BROADBAND ACCESS SERIES MARCH 2002) 1 Technologies and Performance for Non-Line-of-Sight

    E-Print Network [OSTI]

    Gesbert, David

    technologies on the overall performance. Keywords-- Broadband wireless, fixed access, Internet, smart antennas of such access systems is to provide wireless high speed Internet access, and in relevant markets voice ser- vices, to fixed or nomadic residential customers and small offices/home offices (SOHO) located within

  13. application society ieee: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    can the comput- ing ethics or technology and society. THE REAGAN-ERA "STAR WARS" DEFENSE PROGRAM The Reagan-era "Star Wars Bowyer, Kevin W. 135 62 1541-16721331.00 2013 IEEE...

  14. IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, VOL. X, NO. Y, 2014 1 Cost-effective features for

    E-Print Network [OSTI]

    Cavallaro, Andrea

    Agency (FPA n 2010-0012). This work was partially supported by the Artemis JU and UK Technology Strategy-time operation and energy efficiency [3], [4]. Data reduction can be achieved by using image com- pression [5 are with the Centre for Intelligent Sensing, Queen Mary Univer- sity of London, E1 4NS, London, UK. (email: s.fahad.tahir@eecs.qmul.ac.uk

  15. Efficiency enhancement of luminescent solar concentrations for photovoltaic technologies

    E-Print Network [OSTI]

    Wang, Chunhua

    2011-01-01T23:59:59.000Z

    and V.U. Ho?mann. Photovoltaic Solar Energy Gen- eration.Concentrations for Photovoltaic Technologies A dissertationThirteenth IEEE Photovoltaic Specialists Conference- 1978ó

  16. Photon management in thermal and solar photovoltaics

    E-Print Network [OSTI]

    Hu, Lu

    2008-01-01T23:59:59.000Z

    Photovoltaics is a technology that directly converts photon energy into electrical energy. Depending on the photon source, photovoltaic systems can be categorized into two groups: solar photovoltaics (PV) and thermophotovoltaics ...

  17. Coupling light to superconductive photon counters

    E-Print Network [OSTI]

    Hu, Xiaolong

    2008-01-01T23:59:59.000Z

    Superconductive nanowire single-photon detectors (SNSPDs) are an emerging, ultrasensitive photon counting technology which may enable fiber-based, long-haul quantum key distribution. Our group has successfully developed a ...

  18. 2 IEEE TRANSACTIONS ON COMPONENTS, PACKAGING, AND MANUFACTURING TECHNOLOGY--PART B, VOL. 20, NO. 1, FEBRUARY 1997 A Novel Test Technique for MCM Substrates

    E-Print Network [OSTI]

    Swaminathan, Madhavan

    , FEBRUARY 1997 A Novel Test Technique for MCM Substrates Bruce Kim, Member, IEEE, Madhavan Swaminathan-- This paper describes a novel and low-cost test technique that is capable of detecting process related defects such as opens and shorts in multichip module (MCM) substrates. This method is an alternative to existing test

  19. 1092 IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, VOL. 13, NO. 11, NOVEMBER 2003 Multi-View Coding for Image-Based Rendering

    E-Print Network [OSTI]

    Girod, Bernd

    Multi-View Coding for Image-Based Rendering Using 3-D Scene Geometry Marcus Magnor, Member, IEEE the large amount of image data necessary for Image-based Rendering (IBR), efficient coding schemes. Index Terms--Geometry coding, image-based rendering (IBR), light field compression, model-based coding

  20. 406 IEEE TRANSACTIONS ON COMPONENTS, PACKAGING, AND MANUFACTURING TECHNOLOGY--PART A, VOL. 21, NO. 3, SEPTEMBER 1998 Characterization of Self-Heating in

    E-Print Network [OSTI]

    . 3, SEPTEMBER 1998 Characterization of Self-Heating in Advanced VLSI Interconnect Lines Based, Ekkehard Meusel, and Chenming Hu, Fellow, IEEE Abstract--In this paper, self-heating of interconnects has, self-heating, thermal modeling. I. INTRODUCTION BEING the major limit for further performance increase

  1. 1614 IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 63, NO. 4, MAY 2014 The State of Charge Estimation of Lithium-Ion

    E-Print Network [OSTI]

    Mi, Chunting "Chris"

    Estimation of Lithium-Ion Batteries Based on a Proportional-Integral Observer Jun Xu, Student Member, IEEE--With the development of electric drive vehicles (EDVs), the state-of-charge (SOC) estimation for lithium-ion (Li of lithium-ion batteries in EDVs. The structure of the proposed PI observer is analyzed, and the con

  2. IEEE TRANSACTIONS ON CONTROL SYSTEMS TECHNOLOGY, VOL. 21, NO. 4, JULY 2013 1207 A Model-Free Approach to Wind Farm Control Using Game Theoretic Methods

    E-Print Network [OSTI]

    Marden, Jason R.

    -Free Approach to Wind Farm Control Using Game Theoretic Methods Jason R. Marden, Member, IEEE, Shalom D. Ruben provably maximize energy production in wind farms without explicitly modeling the aerodynamic interaction amongst the turbines. Index Terms--Cooperative systems, networked control systems, wind farms. I

  3. IEEE TRANSACTIONS ON COMPONENTS AND PACKAGING TECHNOLOGIES, VOL. 26, NO. 2, JUNE 2003 483 Characterization and Modeling of a New Via

    E-Print Network [OSTI]

    Choi, Lynn

    , KiHyuk Kim, SeungChul Choi, JuHwan Lim, Jung-Ho Park, Lynn Choi, Member, IEEE, SungWoo Hwang, Member' com- ments. D. Kwon, J. Kim, K. Kim, S. Choi, J. Lim, J.-H. Park, L. Choi, and S. Hwang

  4. 590 IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, VOL. 16, NO. 5, MAY 2006 Resource Allocation and Performance Analysis of

    E-Print Network [OSTI]

    Wu, Dapeng Oliver

    server and router for data transmission [3], [26]. In a wireless video sensor network (WVSN), each sensor, and Dapeng Wu, Senior Member, IEEE Abstract--Wireless video sensor networks (WVSNs) have been envisioned operates under a set of unique resource constraints, including limitations with respect to energy supply

  5. IEEE Consumer Electronics Society Standards Architect, CSR

    E-Print Network [OSTI]

    California at Davis, University of

    applications Managing charging at home: Smart Energy Profile Keeping the car: avoiding collisions with DSRC #12;IEEE Consumer Electronics Society 3 Other subjects addressed Keynote: Policy and Technology PEV Market been studying the impact of a "Smart Grid" They produced a report titled 1108 rev 2: Framework

  6. 42 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 12, NO. 1, JANUARY 2000 All-Optical Switching in Phase-Shifted Fiber Bragg

    E-Print Network [OSTI]

    Melloni, Andrea

    Milano, 20133 Milan, Italy and also with CoreCom, Consorzio Elabo- razione e Commutazione Ottica Milano

  7. IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 19, NO. 3, FEBRUARY 1, 2007 155 Characteristics of InPInGaAs HPT-Based Optically

    E-Print Network [OSTI]

    Choi, Woo-Young

    - ratories, NTT Corporation, Atsugi-shi, Kanagawa 243-0198, Japan (e-mail: kamituna@aecl.ntt.co.jp). Digital

  8. IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 17, NO. 12, DECEMBER 2005 2721 60-GHz Bidirectional Radio-on-Fiber Links Based on

    E-Print Network [OSTI]

    Choi, Woo-Young

    , Kanagawa 243-0198, Japan (e-mail: kamituna@aecl.ntt.co.jp; minoru@mail.rdc.ntt.co.jp). Digital Object

  9. IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 14, NO. 7, JULY 2002 917 Actively Mode-Locked 1.5-m 10-GHz Picosecond

    E-Print Network [OSTI]

    Bergman, Keren

    Picosecond Fiber Laser Using a Monolithic Semiconductor Optical Amplifier/Electroabsorption Modulator Jeffrey isolation, and repe- tition rate adjustment. This monolithic device incorporates a semi- conductor optical the field of lightwave communication systems. Ultrafast sources fit naturally to optical time

  10. 366 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 14, NO. 3, MARCH 2002 InGaAs-Based High-Performance p-i-n Photodiodes

    E-Print Network [OSTI]

    is measured by the bandwidth-efficiency product (BWE) and is limited for conventional vertically illuminated

  11. 444 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 14, NO. 4, APRIL 2002 Low-Threshold Strain-Compensated InGaAs(N)

    E-Print Network [OSTI]

    Gilchrist, James F.

    lasers utilizing strain-compensating InGaP≠GaAsP buffer layers and GaAs0 85P0 15 barrier layers, grownGaAs lower cladding layers, are significantly improved through the use of an InGaP≠GaAsP buffer layer. II As and p-In Ga P, respectively. Buffer layers of 2650-Ň n-InGaP ( ppm), and 20-Ň highly-tensile GaAs P

  12. 1052 IEEE PHOTONICS TECHNOLOGY LETTERS, VOL. 14, NO. 8, AUGUST 2002 Temperature Sensitivity of 1300-nm InGaAsN

    E-Print Network [OSTI]

    Gilchrist, James F.

    @cae.wisc.edu). Publisher Item Identifier S 1041-1135(02)06012-3. compensating GaAs P barriers and n-InGaP≠GaAsP tensile

  13. IEEE TRANSACTIONS ON SMART GRID 1 Cognitive Radio Network for the Smart Grid

    E-Print Network [OSTI]

    Qiu, Robert Caiming

    smart meter wireless transmissions in the presence of strong wideband interference. The performanceIEEE Proof W eb Version IEEE TRANSACTIONS ON SMART GRID 1 Cognitive Radio Network for the Smart of applying the next generation wireless technology, cognitive radio network, for the smart grid

  14. 38 IEEE power & energy magazine january/february 2003 by gerald t. heydt and vijay vittal

    E-Print Network [OSTI]

    technologies, communication systems, and solid-state elec- tronics, power has taken a less prominent role38 IEEE power & energy magazine january/february 2003 by gerald t. heydt and vijay vittal ISSN 1540.T.; Vittal, V.; IEEE Power and Energy Magazine, Volume: 1 Issue: 1 , Jan/Feb 2003, Page(s): 38-45. #12

  15. Technology

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of ScienceandMesa del SolStrengthening a solidSynthesis of 2D AlloysTrails NewsTechnologyTechnology A

  16. Technology

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of ScienceandMesa del SolStrengthening a solidSynthesis of 2D AlloysTrails NewsTechnologyTechnology

  17. Single-photon frequency upconversion for long-distance quantum teleportation and communication

    E-Print Network [OSTI]

    Albot?, Marius A., 1974-

    2006-01-01T23:59:59.000Z

    Entanglement generation, single-photon detection, and frequency translation that preserves the polarization quantum state of the photons are essential technologies for long distance quantum communication protocols. This ...

  18. A preliminary study of current multimedia information technology

    SciTech Connect (OSTI)

    Lee, J.C.

    1997-03-01T23:59:59.000Z

    This paper surveys more than 70 articles published in the IEEE Multimedia journal and other journals. The survey summarizes aspects of multimedia information technology and categorizes application areas of multimedia information technology and interesting research areas related to it.

  19. Active Temporal Multiplexing of Photons

    E-Print Network [OSTI]

    Gabriel J. Mendoza; Raffaele Santagati; Jack Munns; Elizabeth Hemsley; Mateusz Piekarek; Enrique Martin-Lopez; Graham D. Marshall; Damien Bonneau; Mark G. Thompson; Jeremy L. O'Brien

    2015-03-04T23:59:59.000Z

    Quantum information science promises powerful new technologies and fundamental scientific discoveries. Photonic qubits are appealing for their low noise properties-the cost is the non-deterministic nature of many processes, including photon generation and entanglement. Active multiplexing can increase the success probability of such processes above a required threshold, and spatial multiplexing of up to four heralded photon sources shows great promise. The cost is a proliferation of hardware. Temporal multiplexing-repeated use of the same hardware components-has been proposed as an alternative and is likely to be essential to greatly reduce resource complexity and system sizes. Requirements include the precise synchronization of a system of low-loss switches, delay lines, fast photon detectors, and feed-forward. Here we demonstrate multiplexing of 8 'bins'-four temporal and two spatial-from a heralded photon source. We show enhanced photon emission statistics, observing an increase in both the triggering and heralded photon rates. Despite its current limitations due to extrinsic sources of loss, this system points the way to harnessing temporal multiplexing in quantum technologies, from single-photon sources to large-scale computation.

  20. 92 IEEE TRANSACTIONS ON EDUCATION, VOL. 43, NO. 2, MAY 2000 Performance Theory Based Outcome Measurement

    E-Print Network [OSTI]

    Everett, Louis J.

    Measurement in Engineering Education and Training William E. Dillon, Member, IEEE, George V. Kondraske, Senior Technology Program and United Space Alliance, Inc., Houston, TX. W. E. Dillon and G. V. Kondraske

  1. 80 IEEE TRANSACTIONS ON COMPONENTS AND PACKAGING TECHNOLOGIES, VOL. 28, NO. 1, MARCH 2005 Development of a High Performance Heat Sink

    E-Print Network [OSTI]

    Wirtz, Richard A.

    Development of a High Performance Heat Sink Based on Screen-Fin Technology Chen Li and R. A. Wirtz Abstract--In this paper, a novel high-performance heat sink based on screen-fin technology is described. The structural and to design prototype heat sinks. Prototypes are built and tested. By screen-fin technology, the best

  2. Engineered Quantum Dot Single Photon Sources

    E-Print Network [OSTI]

    Sonia Buckley; Kelley Rivoire; Jelena Vuckovic

    2012-10-03T23:59:59.000Z

    Fast, high efficiency, and low error single photon sources are required for implementation of a number of quantum information processing applications. The fastest triggered single photon sources to date have been demonstrated using epitaxially grown semiconductor quantum dots (QDs), which can be conveniently integrated with optical microcavities. Recent advances in QD technology, including demonstrations of high temperature and telecommunications wavelength single photon emission, have made QD single photon sources more practical. Here we discuss the applications of single photon sources and their various requirements, before reviewing the progress made on a quantum dot platform in meeting these requirements.

  3. IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. 50, NO. 5, MAY 2002 1153 Sampling of Periodic Signals: A Quantitative

    E-Print Network [OSTI]

    Jacob, Mathews

    : A Quantitative Error Analysis Mathews Jacob, Student Member, IEEE, Thierry Blu, Member, IEEE, and Michael Unser- tute of Technology, Lausanne, Switzerland (e-mail: mathews.jacob@epfl.ch; thierry.blu@epfl.ch; michael, the formula bears a strong resemblance to the error expression of signals in . However, the recipe is dif

  4. BUILDING MANY-CORE PROCESSOR-TO-DRAM NETWORKS WITH MONOLITHIC CMOS SILICON PHOTONICS

    E-Print Network [OSTI]

    Batten, Christopher

    Silicon photonics is a promising technology for addressing memory bandwidth limitations in future many-core processors. This article first introduces a new monolithic silicon-photonic technology, which uses a standard bulk ...

  5. Smart Grid The New and Improved Power Grid: A Survey Xi Fang, Student Member, IEEE, Satyajayant Misra, Member, IEEE, Guoliang Xue, Fellow, IEEE,

    E-Print Network [OSTI]

    Misra, Satyajayant

    Smart Grid ­ The New and Improved Power Grid: A Survey Xi Fang, Student Member, IEEE, Satyajayant--The Smart Grid, regarded as the next generation power grid, uses two-way flows of electricity the literature till 2011 on the enabling technologies for the Smart Grid. We explore three major systems, namely

  6. The following has been sent on behalf of Koneru Ramakrishna and Ricky Lee, Editors-in-Chief, IEEE Transactions on Components and Packaging Technologies.

    E-Print Network [OSTI]

    to present you with the Best Paper Award at the upcoming 57th Electronic Components and Technology Conference Transactions on Components and Packaging Technologies. We are delighted to inform you that the Editors wishes for your continued professional success. Sincerely, Koneru Ramakrishna Interconenct Reliability

  7. The Technology & Innovation Centre

    E-Print Network [OSTI]

    Mottram, Nigel

    The Technology & Innovation Centre #12;The Technology and Innovation Centre revolutionises the way in Scotland and further afield ≠ including power and energy, renewable technologies, photonics and sensors, for industry, the Technology and Innovation Centre has already attracted major partners including Scottish

  8. IEEE Smart Grid Series of Standards IEEE 2030 (Interoperability) and IEEE 1547 (Interconnection) Status: Preprint

    SciTech Connect (OSTI)

    Basso, T.; DeBlasio, R.

    2012-04-01T23:59:59.000Z

    The IEEE American National Standards smart grid publications and standards development projects IEEE 2030, which addresses smart grid interoperability, and IEEE 1547TM, which addresses distributed resources interconnection with the grid, have made substantial progress since 2009. The IEEE 2030TM and 1547 standards series focus on systems-level aspects and cover many of the technical integration issues involved in a mature smart grid. The status and highlights of these two IEEE series of standards, which are sponsored by IEEE Standards Coordinating Committee 21 (SCC21), are provided in this paper.

  9. Free ultra-high-Q microtoroid: a tool for designing photonic devices

    E-Print Network [OSTI]

    . A. DeRose, and A. Yariv, "Transmission and group delay of microring coupled- resonator optical, S. T. Chu, H. A. Haus, J. Foresi, and J.-P. Laine, "Microring resonator channel dropping filters," J filters for WDM applications," IEEE photon. Technol. Lett. 16, 2263-2265 (2004). 3. T. Barwicz, M. A

  10. IEEE JOURNAL OF OCEANIC ENGINEERING, VOL. 36, NO. 2, APRIL 2011 219 Symbolic Analysis of Sonar Data for

    E-Print Network [OSTI]

    Ray, Asok

    IEEE JOURNAL OF OCEANIC ENGINEERING, VOL. 36, NO. 2, APRIL 2011 219 Symbolic Analysis of Sonar Data RAPID advancement of modern engineering technology has led to development of increasingly portable

  11. 1084 IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, VOL. 7, NO. 3, MARCH 2008 Multiple Access Performance of Balanced UWB

    E-Print Network [OSTI]

    Kim, Dong In

    Technology Assessment). This paper was presented in part at the IEEE GlobeCom'06 Conference, San Francsico), ultra-wideband (UWB). I. INTRODUCTION RCENTLY, there have been renewed interests on the transmitted

  12. 304 IEEE TRANSACTIONS ON SEMICONDUCTOR MANUFACTURING, VOL. 4, NO. 4, NOVEMBER 1991 A Process Control Methodology Applied to

    E-Print Network [OSTI]

    del Alamo, Jesķs A.

    304 IEEE TRANSACTIONS ON SEMICONDUCTOR MANUFACTURING, VOL. 4, NO. 4, NOVEMBER 1991 A Process.Moran was with the Massachusetts Institute of Technology. Cam- bridge, MA 02139. He is now with McKinsey and Company, Inc., San

  13. IEEE TRANSACTIONS ON SMART GRID CALL FOR PAPERS

    E-Print Network [OSTI]

    Guan, Yongpei

    IEEE TRANSACTIONS ON SMART GRID CALL FOR PAPERS Special Issue on "Optimization Methods and Algorithms Applied to Smart Grid" With recent developments in advanced monitoring, information, and communication technologies applied to smart grid, electric power systems will be able to respond more

  14. OE Contributors Named IEEE Fellows

    Broader source: Energy.gov [DOE]

    Dr. Ram Adapa, technical leader for transmission systems, and Mark McGranaghan, vice president of Power Delivery & Utilization for EPRI were name IEEE Fellows in recognition of their contributions to IEEE fields of interest.

  15. Photon Science for renewable energy

    E-Print Network [OSTI]

    Knowles, David William

    Photon Science for renewable energy at Light-Source Facilities of Today andTomorrow Lawrence revolution in renewable and carbon- neutral energy technologies. in these pages, we outline and illustrate is causing potentially catastrophic changes to our planet.The quest for renewable, nonpolluting sources

  16. Testing foundations of quantum mechanics with photons

    E-Print Network [OSTI]

    Peter Shadbolt; Jonathan C. F. Matthews; Anthony Laing; Jeremy L. O'Brien

    2015-01-15T23:59:59.000Z

    The foundational ideas of quantum mechanics continue to give rise to counterintuitive theories and physical effects that are in conflict with a classical description of Nature. Experiments with light at the single photon level have historically been at the forefront of tests of fundamental quantum theory and new developments in photonics engineering continue to enable new experiments. Here we review recent photonic experiments to test two foundational themes in quantum mechanics: wave-particle duality, central to recent complementarity and delayed-choice experiments; and Bell nonlocality where recent theoretical and technological advances have allowed all controversial loopholes to be separately addressed in different photonics experiments.

  17. 2740 JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 26, NO. 15, AUGUST 1, 2008 Analysis of a Class-B Microwave-Photonic Link

    E-Print Network [OSTI]

    Driessen, Peter F.

    2740 JOURNAL OF LIGHTWAVE TECHNOLOGY, VOL. 26, NO. 15, AUGUST 1, 2008 Analysis of a Class are with the Department of Electrical and Computer Engineering, University of Victoria, STN CSC, Victoria, BC V8W 3P6

  18. IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS FOR VIDEO TECHNOLOGY, VOL. 19, NO. 10, OCTOBER 2009 1549 Scheduling and Resource Allocation for SVC

    E-Print Network [OSTI]

    Chiang, Mung

    bitstreams. It provides flexible solutions for transmission over heterogeneous networks and allows easyMAX and wireless LANs). The resource allocation in OFDM can be flexibly performed over power, frequency, and time that offers both quality and temporal scalabilities. The OFDM technology provides the flexibility of resource

  19. Fujita LaboratoryTokyo Instituteof Technology Tokyo Instituteof Technology

    E-Print Network [OSTI]

    . Poolla, P. Varaiya, "Bringing Wind Energy to Market," To appear, IEEE Transactions on Power Systems, 2011 Technology UC Berkeley [5], [6] [5] E. Baeyens, E.Y. Bitar, P.P. Khargonekar, K. Poolla , "Wind Energy for a Coalition of Wind Power Producers Facing Nodal Prices Wind Farm () 7 #12;Fujita Laboratory

  20. Photon Calorimeter

    DOE Patents [OSTI]

    Chow, Tze-Show (Hayward, CA)

    1989-01-01T23:59:59.000Z

    A photon calorimeter (20, 40) is provided that comprises a laminar substrate (10, 22, 42) that is uniform in density and homogeneous in atomic composition. A plasma-sprayed coating (28, 48, 52), that is generally uniform in density and homogeneous in atomic composition within the proximity of planes that are parallel to the surfaces of the substrate, is applied to either one or both sides of the laminar substrate. The plasma-sprayed coatings may be very efficiently spectrally tailored in atomic number. Thermocouple measuring junctions (30, 50, 54) are positioned within the plasma-sprayed coatings. The calorimeter is rugged, inexpensive, and equilibrates in temperature very rapidly.

  1. Dong, A. and A.M. Agogino, "Designing an Untethered Educational Digital Library" (with A. Dong), Proceedings of the IEEE International Workshop on Wireless and Mobile Technologies in Education (WMTE 2003).

    E-Print Network [OSTI]

    Agogino, Alice M.

    an Untethered Educational Digital Library" (with A. Dong), Proceedings of the IEEE International Workshop, CA 94720-1740 +1 510 643 1819 aagogino@me.berkeley.edu ABSTRACT Digital libraries, such as the SMETE Digital Library at UC Berkeley (www.smete.org), are quickly becoming mainstream tools for science

  2. Physics at high energy photon photon colliders

    SciTech Connect (OSTI)

    Chanowitz, M.S.

    1994-06-01T23:59:59.000Z

    I review the physic prospects for high energy photon photon colliders, emphasizing results presented at the LBL Gamma Gamma Collider Workshop. Advantages and difficulties are reported for studies of QCD, the electroweak gauge sector, supersymmetry, and electroweak symmetry breaking.

  3. activities board ieee: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Ultrasonics Symposium (IUS) IEEE Ultrasonics, Ferroelectrics, and Frequency Control Society Organization of the 2008 IEEE International Ultrasonics Symposium (IUS) ---...

  4. IEEE TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS, VOL. 29, NO. 7, JULY 2010 1001 Keynote Paper

    E-Print Network [OSTI]

    Chakrabarty, Krishnendu

    2010 1001 Keynote Paper Design Tools for Digital Microfluidic Biochips: Toward Functional, and Jun Zeng, Member, IEEE Abstract--Microfluidics-based biochips enable the precise con- trol" microfluidic technology platform and emerging applications. The physical principles underlying droplet

  5. 494 IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS, VOL. 15, NO. 3, MAY/JUNE 2009 40 Gb/s Field-Modulated Wavelength Converters

    E-Print Network [OSTI]

    Coldren, Larry A.

    494 IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS, VOL. 15, NO. 3, MAY/JUNE 2009 40 Gb the leap to optically packet switched networks will require an efficient and scalable technology

  6. GeSi photodetectors and electro-absorption modulators for Si electronic-photonic integrated circuits

    E-Print Network [OSTI]

    Liu, Jifeng, Ph. D. Massachusetts Institute of Technology

    2007-01-01T23:59:59.000Z

    The silicon electronic-photonic integrated circuit (EPIC) has emerged as a promising technology to break through the interconnect bottlenecks in telecommunications and on-chip interconnects. High performance photonic ...

  7. Efficient superconducting-nanowire single-photon detectors and their applications in quantum optics

    E-Print Network [OSTI]

    Hu, Xiaolong, Ph. D. Massachusetts Institute of Technology

    2011-01-01T23:59:59.000Z

    Superconducting-nanowire single-photon detectors (SNSPDs) are an emerging technology for infrared photon counting and detection. Their advantages include good device efficiency, fast operating speed, low dark-count rate, ...

  8. Hidden Photon Dark Matter Search with a Large Metallic Mirror

    E-Print Network [OSTI]

    Babette DŲbrich; Kai Daumiller; Ralph Engel; Marek Kowalski; Axel Lindner; Javier Redondo; Markus Roth

    2014-10-01T23:59:59.000Z

    If Dark Matter is composed of hidden-sector photons that kinetically mix with photons of the visible sector, then Dark Matter has a tiny oscillating electric field component. Its presence would lead to a small amount of visible radiation being emitted from a conducting surface, with the photon frequency given approximately by the mass of the hidden photon. Here, we report on experimental efforts that have started recently to search for such hidden photon Dark Matter in the (sub-)eV regime with a prototype mirror for the Auger fluorescence detector at the Karlsruhe Institute for Technology.

  9. This article has been accepted for inclusion in a future issue of this journal. Content is final as presented, with the exception of pagination. IEEE JOURNAL OF PHOTOVOLTAICS 1

    E-Print Network [OSTI]

    Atwater, Harry

    as presented, with the exception of pagination. IEEE JOURNAL OF PHOTOVOLTAICS 1 Wafer-Scale Growth of Silicon Microwire Arrays for Photovoltaics and Solar Fuel Generation Adele C. Tamboli, Member, IEEE, Christopher T-efficiency photovoltaics and pho- toelectrochemical fuel generation. A remaining challenge to mak- ing this technology

  10. Photonics Research and Development

    SciTech Connect (OSTI)

    Pookpanratana, Sujitra; Shlayan, Neveen; Venkat, Rama; Das, Bisjwajit; Boehm, Bob; Heske, Clemens; Fraser, Donald; Moustakas, Theodore

    2010-01-15T23:59:59.000Z

    During the period August 2005 through October 2009, the UNLV Research Foundation (UNLVRF), a non-profit affiliate of the University of Nevada, Las Vegas (UNLV), in collaboration with UNLV‚??s Colleges of Science and Engineering; Boston University (BU); Oak Ridge National Laboratory (ORNL); and Sunlight Direct, LLC, has managed and conducted a diverse and comprehensive research and development program focused on light-emitting diode (LED) technologies that provide significantly improved characteristics for lighting and display applications. This final technical report provides detailed information on the nature of the tasks, the results of the research, and the deliverables. It is estimated that about five percent of the energy used in the nation is for lighting homes, buildings and streets, accounting for some 25 percent of the average home‚??s electric bill. However, the figure is significantly higher for the commercial sector. About 60 percent of the electricity for businesses is for lighting. Thus replacement of current lighting with solid-state lighting technology has the potential to significantly reduce this nation‚??s energy consumption ‚?? by some estimates, possibly as high as 20%. The primary objective of this multi-year R&D project has been to develop and advance lighting technologies to improve national energy conversion efficiencies; reduce heat load; and significantly lower the cost of conventional lighting technologies. The UNLVRF and its partners have specifically focused these talents on (1) improving LED technologies; (2) optimizing hybrid solar lighting, a technology which potentially offers the benefits of blending natural with artificial lighting systems, thus improving energy efficiency; and (3) building a comprehensive academic infrastructure within UNLV which concentrates on photonics R&D. Task researchers have reported impressive progress in (1) the development of quantum dot laser emitting diodes (QDLEDs) which will ultimately improve energy efficiency and lower costs for display and lighting applications (UNLV College of Engineering); (2) advancing green LED technology based on the Indium-Gallium-Nitride system (BU), thus improving conversion efficiencies; (3) employing unique state-of-the-art X-ray, electron and optical spectroscopies with microscopic techniques to learn more about the electronic structure of materials and contacts in LED devices (UNLV College of Science); (4) establishing a UNLV Display Lighting Laboratory staffed with a specialized team of academic researchers, students and industrial partners focused on identifying and implementing engineering solutions for lighting display-related problems; and (5) conducting research, development and demonstration for HSL essential to the resolution of technological barriers to commercialization.

  11. A Diamond Nanowire Single Photon Antenna

    E-Print Network [OSTI]

    Tom Babinec; Birgit J. M. Hausmann; Mughees Khan; Yinan Zhang; Jero Maze; Philip R. Hemmer; Marko Loncar

    2009-10-28T23:59:59.000Z

    The development of a robust light source that emits one photon at a time is an outstanding challenge in quantum science and technology. Here, at the transition from many to single photon optical communication systems, fully quantum mechanical effects may be utilized to achieve new capabilities, most notably perfectly secure communication via quantum cryptography. Practical implementations place stringent requirements on the device properties, including stable photon generation, room temperature operation, and efficient extraction of many photons. Single photon light emitting devices based on fluorescent dye molecules, quantum dots, and carbon nanotube material systems have all been explored, but none have simultaneously demonstrated all criteria. Here, we describe the design, fabrication, and characterization of a bright source of single photons consisting of an individual Nitrogen-vacancy color center (NV center) in a diamond nanowire operating in ambient conditions. The nanowire plays a positive role in increasing the number of single photons collected from the NV center by an order of magnitude over devices based on bulk diamond crystals, and allows operation at an order of magnitude lower power levels. This result enables a new class of nanostructured diamond devices for room temperature photonic and quantum information processing applications, and will also impact fields as diverse as biological and chemical sensing, opto-mechanics, and scanning-probe microscopy.

  12. Effect of Loss on Multiplexed Single-Photon Sources

    E-Print Network [OSTI]

    Damien Bonneau; Gabriel J. Mendoza; Jeremy L. O'Brien; Mark G. Thompson

    2015-04-29T23:59:59.000Z

    An on-demand single-photon source is a key requirement for scaling many optical quantum technologies. A promising approach to realize an on-demand single-photon source is to multiplex an array of heralded single-photon sources using an active optical switching network. However, the performance of multiplexed sources is degraded by photon loss in the optical components and the non-unit detection efficiency of the heralding detectors. We provide a theoretical description of a general multiplexed single-photon source with lossy components and derive expressions for the output probabilities of single-photon emission and multi-photon contamination. We apply these expressions to three specific multiplexing source architectures and consider their tradeoffs in design and performance. To assess the effect of lossy components on near- and long-term experimental goals, we simulate the multiplexed sources when used for many-photon state generation under various amounts of component loss. We find that with a multiplexed source composed of switches with ~0.2-0.4 dB loss and high efficiency number-resolving detectors, a single-photon source capable of efficiently producing 20-40 photon states with low multi-photon contamination is possible, offering the possibility of unlocking new classes of experiments and technologies.

  13. 26 IEEE COMPUTATIONAL INTELLIGENCE MAGAZINE | NOVEMBER 2011 1556-603X/11/$26.002011IEEE European Centre for Soft Computing, SPAIN

    E-Print Network [OSTI]

    Granada, Universidad de

    , European Centre for Soft Computing, SPAIN O. Cordón, European Centre for Soft Computing, SPAIN CITIC-UGR: Research Center on Information and Communication Technologies, University of Granada, 18014 Granada, SPAIN, SPAIN J. Santamaría, University of Granada, SPAIN #12;NOVEMBER 2011 | IEEE COMPUTATIONAL INTELLIGENCE

  14. Proceedings IEEE Symposium on

    E-Print Network [OSTI]

    California at Davis, University of

    the University of Toronto. He is a professor of mathematics, computer science, and electrical engineering. But the 7094 was soon supplanted by the IBM 360 series. Kahan first began to restore to computer arithmeticProceedings 17th IEEE Symposium on Computer Arithmetic ARITH-17 2005 27-29 June 2005 Cape Cod

  15. Photonic Molecules and Spectral Engineering

    E-Print Network [OSTI]

    Boriskina, Svetlana V.

    2010-01-01T23:59:59.000Z

    This chapter reviews the fundamental optical properties and applications of photonic molecules (PMs) Ė photonic structures formed by electromagnetic coupling of two or more optical microcavities (photonic atoms). Controllable ...

  16. Nuclear photonics

    SciTech Connect (OSTI)

    Habs, D.; Guenther, M. M.; Jentschel, M.; Thirolf, P. G. [Ludwig-Maximilians-Universitaet Muenchen, D-85748 Garching (Germany); Max Planck Institut fuer Quantenoptik, D-85748 Garching (Germany); Institut Laue-Langevin, F-38042 Grenoble (Germany); Ludwig-Maximilians-Universitaet Muenchen, D-85748 Garching (Germany)

    2012-07-09T23:59:59.000Z

    With the planned new {gamma}-beam facilities like MEGa-ray at LLNL (USA) or ELI-NP at Bucharest (Romania) with 10{sup 13}{gamma}/s and a band width of {Delta}E{gamma}/E{gamma} Almost-Equal-To 10{sup -3}, a new era of {gamma} beams with energies up to 20MeV comes into operation, compared to the present world-leading HI{gamma}S facility at Duke University (USA) with 10{sup 8}{gamma}/s and {Delta}E{gamma}/E{gamma} Almost-Equal-To 3 Dot-Operator 10{sup -2}. In the long run even a seeded quantum FEL for {gamma} beams may become possible, with much higher brilliance and spectral flux. At the same time new exciting possibilities open up for focused {gamma} beams. Here we describe a new experiment at the {gamma} beam of the ILL reactor (Grenoble, France), where we observed for the first time that the index of refraction for {gamma} beams is determined by virtual pair creation. Using a combination of refractive and reflective optics, efficient monochromators for {gamma} beams are being developed. Thus, we have to optimize the total system: the {gamma}-beam facility, the {gamma}-beam optics and {gamma} detectors. We can trade {gamma} intensity for band width, going down to {Delta}E{gamma}/E{gamma} Almost-Equal-To 10{sup -6} and address individual nuclear levels. The term 'nuclear photonics' stresses the importance of nuclear applications. We can address with {gamma}-beams individual nuclear isotopes and not just elements like with X-ray beams. Compared to X rays, {gamma} beams can penetrate much deeper into big samples like radioactive waste barrels, motors or batteries. We can perform tomography and microscopy studies by focusing down to {mu}m resolution using Nuclear Resonance Fluorescence (NRF) for detection with eV resolution and high spatial resolution at the same time. We discuss the dominating M1 and E1 excitations like the scissors mode, two-phonon quadrupole octupole excitations, pygmy dipole excitations or giant dipole excitations under the new facet of applications. We find many new applications in biomedicine, green energy, radioactive waste management or homeland security. Also more brilliant secondary beams of neutrons and positrons can be produced.

  17. Photonic Doppler Velocimetry Multiplexing Techniques: Evaluation of Photonic Techniques

    SciTech Connect (OSTI)

    Edward Daykin

    2012-05-24T23:59:59.000Z

    This poster reports progress related to photonic technologies. Specifically, the authors developed diagnostic system architecture for a Multiplexed Photonic Doppler Velocimetry (MPDV) that incorporates frequency and time-division multiplexing into existing PDV methodology to provide increased channel count. Current MPDV design increases number of data records per digitizer channel 8x, and also operates as a laser-safe (Class 3a) system. Further, they applied heterodyne interferometry to allow for direction-of-travel determination and enable high-velocity measurements (>10 km/s) via optical downshifting. They also leveraged commercially available, inexpensive and robust components originally developed for telecom applications. Proposed MPDV architectures employ only commercially available, fiber-coupled hardware.

  18. IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING, VOL. 5, NO. 1, FEBRUARY 2012 3 Foreword to the Special Issue on Optical Multiangular

    E-Print Network [OSTI]

    Du, Jenny (Qian)

    IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING, VOL. 5, NO. 1 that reflect solar radiation depend on the relative direction of incoming and outgoing photons (which is often, the observational space of a remote sensing system should include three major dimensions: spectral, spatial

  19. IEEE ELECTRON DEVICE LETTERS, VOL. 29, NO. 8, AUGUST 2008 867 On the Source of Jitter in a Room-Temperature

    E-Print Network [OSTI]

    Mohseni, Hooman

    IEEE ELECTRON DEVICE LETTERS, VOL. 29, NO. 8, AUGUST 2008 867 On the Source of Jitter in a Room infrared photon detector was studied by exploring the relation between lateral charge transfer and jitter. The jitter of the device was measured to be 15 ps at room temperature. The jitter was almost independent

  20. IEEE ELECTRON DEVICE LETTERS, VOL. 12, NO. 12. DECEMBER 1991 An InAlAs/InAs MODFET

    E-Print Network [OSTI]

    del Alamo, Jesķs A.

    -behaved characteristics, showing sharp pinch-off ( V,, = -0.8 V) and small output con- ductance (5 mS/mm) at 300 K's that only contain arsenides because of their well-established growth and pro- cessing technologies of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, Cambridge, MA 02139. IEEE

  1. Fast Exploration of Silicon Photonic Network Designs for Exascale Systems

    E-Print Network [OSTI]

    Bergman, Keren

    layer model (Photonic Interconnect Link Optimisation Tool - PILOT) that analyses the impact of each Si applications and performance-energy benefits of silicon photonic technology in future computing systems call for a set of modeling and simulation tools to realize the development and design exploration of Si

  2. High energy photon-photon collisions

    SciTech Connect (OSTI)

    Brodsky, S.J. [Stanford Linear Accelerator Center, Menlo Park, CA (United States); Zerwas, P.M. [Deutsches Elektronen-Synchrotron (DESY), Hamburg (Germany)

    1994-07-01T23:59:59.000Z

    The collisions of high energy photons produced at a electron-positron collider provide a comprehensive laboratory for testing QCD, electroweak interactions and extensions of the standard model. The luminosity and energy of the colliding photons produced by back-scattering laser beams is expected to be comparable to that of the primary e{sup +}e{sup {minus}} collisions. In this overview, we shall focus on tests of electroweak theory in photon-photon annihilation, particularly {gamma}{gamma} {yields} W{sup +}W{sup {minus}}, {gamma}{gamma} {yields} Higgs bosons, and higher-order loop processes, such as {gamma}{gamma} {yields} {gamma}{gamma}, Z{gamma} and ZZ. Since each photon can be resolved into a W{sup +}W{sup minus} pair, high energy photon-photon collisions can also provide a remarkably background-free laboratory for studying WW collisions and annihilation. We also review high energy {gamma}{gamma} tests of quantum chromodynamics, such as the scaling of the photon structure function, t{bar t} production, mini-jet processes, and diffractive reactions.

  3. Photonic crystal light source

    DOE Patents [OSTI]

    Fleming, James G. (Albuquerque, NM); Lin, Shawn-Yu (Albuquerque, NM); Bur, James A. (Corrales, NM)

    2004-07-27T23:59:59.000Z

    A light source is provided by a photonic crystal having an enhanced photonic density-of-states over a band of frequencies and wherein at least one of the dielectric materials of the photonic crystal has a complex dielectric constant, thereby producing enhanced light emission at the band of frequencies when the photonic crystal is heated. The dielectric material can be a metal, such as tungsten. The spectral properties of the light source can be easily tuned by modification of the photonic crystal structure and materials. The photonic crystal light source can be heated electrically or other heating means. The light source can further include additional photonic crystals that exhibit enhanced light emission at a different band of frequencies to provide for color mixing. The photonic crystal light source may have applications in optical telecommunications, information displays, energy conversion, sensors, and other optical applications.

  4. IEEE Copyright Statement: Copyright 2006 IEEE. Reprinted from Proceedings of the IEEE PES General Meeting,

    E-Print Network [OSTI]

    Ilic, Marija D.

    . Such permission of the IEEE does not in any way imply IEEE endorsement of any of Carnegie Mellon University] demonstrates that Distributed Energy Resources (DERs) placed at the right locations and with the right distribution and transmission. The idea has been pursued that DERs could support transmission voltages

  5. IEEE 1547 and 2030 Standards for Distributed Energy Resources Interconnection and Interoperability with the Electricity Grid

    SciTech Connect (OSTI)

    Basso, T.

    2014-12-01T23:59:59.000Z

    Public-private partnerships have been a mainstay of the U.S. Department of Energy and the National Renewable Energy Laboratory (DOE/NREL) approach to research and development. These partnerships also include technology development that enables grid modernization and distributed energy resources (DER) advancement, especially renewable energy systems integration with the grid. Through DOE/NREL and industry support of Institute of Electrical and Electronics Engineers (IEEE) standards development, the IEEE 1547 series of standards has helped shape the way utilities and other businesses have worked together to realize increasing amounts of DER interconnected with the distribution grid. And more recently, the IEEE 2030 series of standards is helping to further realize greater implementation of communications and information technologies that provide interoperability solutions for enhanced integration of DER and loads with the grid. For these standards development partnerships, for approximately $1 of federal funding, industry partnering has contributed $5. In this report, the status update is presented for the American National Standards IEEE 1547 and IEEE 2030 series of standards. A short synopsis of the history of the 1547 standards is first presented, then the current status and future direction of the ongoing standards development activities are discussed.

  6. Composite Photon Theory Versus Elementary Photon Theory

    E-Print Network [OSTI]

    Walton A. Perkins

    2015-03-02T23:59:59.000Z

    The purpose of this paper is to show that the composite photon theory measures up well against the Standard Model's elementary photon theory. This is done by comparing the two theories area by area. Although the predictions of quantum electrodynamics are in excellent agreement with experiment (as in the anomalous magnetic moment of the electron), there are some problems, such as the difficulty in describing the electromagnetic field with the four-component vector potential because the photon has only two polarization states. In most areas the two theories give similar results, so it is impossible to rule out the composite photon theory. Pryce's arguments in 1938 against a composite photon theory are shown to be invalid or irrelevant. Recently, it has been realized that in the composite theory the antiphoton does not interact with matter because it is formed of a neutrino and an antineutrino with the wrong helicity. This leads to experimental tests that can determine which theory is correct.

  7. PLEASE JOIN US! NANOSCIENCE and TECHNOLOGY BROWN BAG

    E-Print Network [OSTI]

    PLEASE JOIN US! NANOSCIENCE and TECHNOLOGY BROWN BAG Friday, 7 November 2008 Noon - 1 pm Columbia Meyyappan Chief Scientist for Exploration Technology, NASA Ames Research Center & IEEE Electron Devices Society Distinguished Lecturer presenting Nanotechnology in Chemical and Bio Sensor Systems Abstract

  8. Science at the Speed of Light: Advanced Photon Source

    ScienceCinema (OSTI)

    Murray Gibson

    2010-01-08T23:59:59.000Z

    An introduction and overview of the Advanced Photon Source at Argonne National Laboratory, the technology that produces the brightest x-ray beams in the Western Hemisphere, and the research carried out by scientists using those x-rays.

  9. Studies of advanced integrated nano-photonic devices in silicon

    E-Print Network [OSTI]

    Dahlem, Marcus

    2011-01-01T23:59:59.000Z

    Electronic-photonic integrated circuits (EPICs) are a promising technology for overcoming bandwidth and power-consumption bottlenecks of traditional integrated circuits. Silicon is a good candidate for building such devices, ...

  10. 2444 IEEE SENSORS JOURNAL, VOL. 12, NO. 7, JULY 2012 CMOS Monolithic Nanoparticle-Coated

    E-Print Network [OSTI]

    Mason, Andrew

    2444 IEEE SENSORS JOURNAL, VOL. 12, NO. 7, JULY 2012 CMOS Monolithic Nanoparticle-Coated of chemiresistors (CRs) with monolayer-protected gold nanoparticle films formed on the surface of a complementary-monolayer-protected gold nanoparticle (MPN) inter- face films represent a promising sensor technology for GC detectors [1

  11. IEEE TRANSACTIONS ON COMMUNICATIONS, VOL. 61, NO. 10, OCTOBER 2013 4381 Importance of Symbol Equity in

    E-Print Network [OSTI]

    Chee, Yeow Meng

    . 1. INTRODUCTION POWER line communications (PLC) is a technology that enables the transmission of data over electric power lines. It was started in the 1910's for voice communication [2], and used in Coded Modulation for Power Line Communications Yeow Meng Chee, Senior Member, IEEE, Han Mao Kiah

  12. Improving IEEE 802.15.4 for Low-latency Energy-efficient Industrial Applications

    E-Print Network [OSTI]

    Breu, Ruth

    &D" of Siemens AG is currently evaluating wireless technology in the field of industrial automation.1 An Industrial Case Study The typical application scenario for automation environments to be studiedImproving IEEE 802.15.4 for Low-latency Energy-efficient Industrial Applications Feng Chen Computer

  13. IEEE TRANSACTIONS ON POWER SYSTEMS 1 Web-based Security Cost Analysis in Electricity

    E-Print Network [OSTI]

    CaŮizares, Claudio A.

    IEEE TRANSACTIONS ON POWER SYSTEMS 1 Web-based Security Cost Analysis in Electricity Markets Hong, and describes its implementation using a 3-tier client/server architecture and up-to-date web technologies to certain system parameters. The web implementation allows easy and effective access by all market

  14. IEEE TRANS. ON SOFTWARE ENGINEERING, 2009 (TO APPEAR) 1 Plat Forms: A Web Development Platform

    E-Print Network [OSTI]

    Prechelt, Lutz

    IEEE TRANS. ON SOFTWARE ENGINEERING, 2009 (TO APPEAR) 1 Plat Forms: A Web Development Platform Comparison by an Exploratory Experiment Searching for Emergent Platform Properties Lutz Prechelt, Member and widely used technological platforms (consisting of a programming language, framework(s), components

  15. CREOL & FPCE, THE COLLEGE OF OPTICS AND PHOTONICS Industrial Affiliates Day April 13, 2007

    E-Print Network [OSTI]

    Van Stryland, Eric

    CREOL & FPCE, THE COLLEGE OF OPTICS AND PHOTONICS Industrial Affiliates Day ≠ April 13, 2007 Theme Dean, College of Optics and Photonics 9:05 "High power lasers, some applications, and their future of Optics & Photonics 9:40 "Attosecond Science and Technology" Dr. Paul Corkum Program Leader, Atomic

  16. Photon wave function

    E-Print Network [OSTI]

    Iwo Bialynicki-Birula

    2005-08-26T23:59:59.000Z

    Photon wave function is a controversial concept. Controversies stem from the fact that photon wave functions can not have all the properties of the Schroedinger wave functions of nonrelativistic wave mechanics. Insistence on those properties that, owing to peculiarities of photon dynamics, cannot be rendered, led some physicists to the extreme opinion that the photon wave function does not exist. I reject such a fundamentalist point of view in favor of a more pragmatic approach. In my view, the photon wave function exists as long as it can be precisely defined and made useful.

  17. Hybrid Silicon Photonic Integrated Circuit Technology

    E-Print Network [OSTI]

    2013-01-01T23:59:59.000Z

    of Hewlett Packard; A. Yariv of Caltech; D. Dai of ZhejiangA. Scherer, and A. Yariv, ďElectrically pumped hybrid

  18. Photon Power Technologies PPT | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directedAnnual SiteofEvaluatingGroupPerfectenergy International LimitedPhoenix Bio IndustriesPhoenix

  19. Energy-Aware MPEG-4 FGS Streaming Kihwan Choi, Member IEEE, Kwanho Kim, Member IEEE, and Massoud Pedram, Fellow IEEE

    E-Print Network [OSTI]

    Pedram, Massoud

    Energy-Aware MPEG-4 FGS Streaming Kihwan Choi, Member IEEE, Kwanho Kim, Member IEEE, and Massoud Pedram, Fellow IEEE Abstract -- In this paper, we propose an energy-aware MPEG-4 FGS video streaming 20% communication energy reduction at the client by making the MPEG-4 FGS streamer energy-aware

  20. Wireless mesh networks have emerged as a promising technology for providing ubiquitous access to mobile users, and quick and easy extension of local area net-

    E-Print Network [OSTI]

    Hou, Y. Thomas

    Abstract Wireless mesh networks have emerged as a promising technology for providing ubiquitous for multiple-description video communications in wireless mesh networks. We aim to answer the following in wireless mesh 190890-8044/08/$25.00 © 2008 IEEE TT IEEE Network ∑ January/February 2008 Shiwen Mao, Auburn

  1. aemt ieee ukri: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    is permitted. Permission from IEEE must Engineering Websites Summary: of Real-Time Locational Marginal Price to SCADA Sensor Data Corruption Dae-Hyun Choi, Student Member, IEEE...

  2. Deterministic photon-emitter coupling in chiral photonic circuits

    E-Print Network [OSTI]

    Immo SŲllner; Sahand Mahmoodian; Sofie Lindskov Hansen; Leonardo Midolo; Alisa Javadi; Gabija Kiröansk?; Tommaso Pregnolato; Haitham El-Ella; Eun Hye Lee; Jin Dong Song; SÝren Stobbe; Peter Lodahl

    2015-01-12T23:59:59.000Z

    The ability to engineer photon emission and photon scattering is at the heart of modern photonics applications ranging from light harvesting, through novel compact light sources, to quantum-information processing based on single photons. Nanophotonic waveguides are particularly well suited for such applications since they confine photon propagation to a 1D geometry thereby increasing the interaction between light and matter. Adding chiral functionalities to nanophotonic waveguides lead to new opportunities enabling integrated and robust quantum-photonic devices or the observation of novel topological photonic states. In a regular waveguide, a quantum emitter radiates photons in either of two directions, and photon emission and absorption are reverse processes. This symmetry is violated in nanophotonic structures where a non-transversal local electric field implies that both photon emission and scattering may become directional. Here we experimentally demonstrate that the internal state of a quantum emitter determines the chirality of single-photon emission in a specially engineered photonic-crystal waveguide. Single-photon emission into the waveguide with a directionality of more than 90\\% is observed under conditions where practically all emitted photons are coupled to the waveguide. Such deterministic and highly directional photon emission enables on-chip optical diodes, circulators operating at the single-photon level, and deterministic quantum gates. Based on our experimental demonstration, we propose an experimentally achievable and fully scalable deterministic photon-photon CNOT gate, which so far has been missing in photonic quantum-information processing where most gates are probabilistic.

  3. Photon transport in binary photonic lattices

    E-Print Network [OSTI]

    B. M. RodrŪguez-Lara; H. Moya-Cessa

    2013-01-08T23:59:59.000Z

    We present a review on the mathematical methods used to theoretically study classical propagation and quantum transport in arrays of coupled photonic waveguides. We focus on analysing two types of binary photonic lattices where self-energies or couplings are alternated. For didactic reasons, we split the analysis in classical propagation and quantum transport but all methods can be implemented, mutatis mutandis, in any given case. On the classical side, we use coupled mode theory and present an operator approach to Floquet-Bloch theory in order to study the propagation of a classical electromagnetic field in two particular infinite binary lattices. On the quantum side, we study the transport of photons in equivalent finite and infinite binary lattices by couple mode theory and linear algebra methods involving orthogonal polynomials. Curiously the dynamics of finite size binary lattices can be expressed as roots and functions of Fibonacci polynomials.

  4. Quantum teleportation on a photonic chip

    E-Print Network [OSTI]

    Benjamin J. Metcalf; Justin B. Spring; Peter C. Humphreys; Nicholas Thomas-peter; Marco Barbieri; W. Steven Kolthammer; Xian-min Jin; Nathan K. Langford; Dmytro Kundys; James C. Gates; Brian J. Smith; Peter G. R. Smith; Ian A. Walmsley

    2014-09-15T23:59:59.000Z

    Quantum teleportation is a fundamental concept in quantum physics which now finds important applications at the heart of quantum technology including quantum relays, quantum repeaters and linear optics quantum computing (LOQC). Photonic implementations have largely focussed on achieving long distance teleportation due to its suitability for decoherence-free communication. Teleportation also plays a vital role in the scalability of photonic quantum computing, for which large linear optical networks will likely require an integrated architecture. Here we report the first demonstration of quantum teleportation in which all key parts - entanglement preparation, Bell-state analysis and quantum state tomography - are performed on a reconfigurable integrated photonic chip. We also show that a novel element-wise characterisation method is critical to mitigate component errors, a key technique which will become increasingly important as integrated circuits reach higher complexities necessary for quantum enhanced operation.

  5. Photonic layered media

    DOE Patents [OSTI]

    Fleming, James G. (Albuquerque, NM); Lin, Shawn-Yu (Albuquerque, NM)

    2002-01-01T23:59:59.000Z

    A new class of structured dielectric media which exhibit significant photonic bandstructure has been invented. The new structures, called photonic layered media, are easy to fabricate using existing layer-by-layer growth techniques, and offer the ability to significantly extend our practical ability to tailor the properties of such optical materials.

  6. High energy photon emission

    E-Print Network [OSTI]

    Jabs, Harry

    1997-01-01T23:59:59.000Z

    photons, neutrons, charged particles, and fission fragments were used to study the reaction 160 + 238 U at a projectile energy of 50 MeV/u. Inverse slope values of the photon spectra were extracted for inclusive data and data of higher multiplicities...

  7. Photon beam position monitor

    DOE Patents [OSTI]

    Kuzay, T.M.; Shu, D.

    1995-02-07T23:59:59.000Z

    A photon beam position monitor is disclosed for use in the front end of a beamline of a high heat flux and high energy photon source such as a synchrotron radiation storage ring detects and measures the position and, when a pair of such monitors are used in tandem, the slope of a photon beam emanating from an insertion device such as a wiggler or an undulator inserted in the straight sections of the ring. The photon beam position monitor includes a plurality of spaced blades for precisely locating the photon beam, with each blade comprised of chemical vapor deposition (CVD) diamond with an outer metal coating of a photon sensitive metal such as tungsten, molybdenum, etc., which combination emits electrons when a high energy photon beam is incident upon the blade. Two such monitors are contemplated for use in the front end of the beamline, with the two monitors having vertically and horizontally offset detector blades to avoid blade ''shadowing''. Provision is made for aligning the detector blades with the photon beam and limiting detector blade temperature during operation. 18 figs.

  8. IEEE TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS, VOL. XX, NO. Y, MONTH 2009 1 A Progressive-ILP Based Routing Algorithm for the

    E-Print Network [OSTI]

    Sapatnekar, Sachin

    , IEEE Abstract--Due to recent advances in microfluidics technology, digital microfluidic biochips significant advances in microfluidic technologies [2]. Microfluidic biochips show nu- merous advantages over and automated and parallel drug discovery, and this breadth of applicability implies that microfluidic biochips

  9. Harnessing Smart Sensor Technology for Industrial Energy Efficiency- Making Process-Specific Efficiency Projects Cost Effective with a Broadly Configurable, Network-Enabled Monitoring Tool†

    E-Print Network [OSTI]

    Wiczer, J. J.; Wiczer, M. B.

    2011-01-01T23:59:59.000Z

    To improve monitoring technology often re-quired by industrial energy efficiency projects, we have developed a set of power and process monitoring tools based on the IEEE 1451.2 smart sensor interface standard. These tools enable a wide...

  10. Millimeter-wave Wafer-Scale Phased Arrays and Wireless Communication Circuits and Systems in SiGe and CMOS Technology

    E-Print Network [OSTI]

    Shin, Woorim

    LRR and SRR systems in SiGe BiC- MOS technology,Ē IEEEW. Min and G. Rebeiz, ďKa-band SiGe HBT low phase imbalancehigh- performance > 100 GHz SiGe and CMOS circuits,Ē IEEE

  11. Color Imaging for Multimedia GAURAV SHARMA, MEMBER, IEEE, MICHAEL J. VRHEL, MEMBER, IEEE, AND

    E-Print Network [OSTI]

    Sharma, Gaurav

    Color Imaging for Multimedia GAURAV SHARMA, MEMBER, IEEE, MICHAEL J. VRHEL, MEMBER, IEEE, AND H. JOEL TRUSSELL, FELLOW, IEEE To a significant degree, multimedia applications derive their effectiveness-based multimedia systems have grown from their humble beginnings into systems that truly allow the integration

  12. Vehicle Speed Estimation using Acoustic Wave Patterns Volkan Cevher, Member, IEEE, Rama Chellappa, Fellow, IEEE

    E-Print Network [OSTI]

    Cevher, Volkan

    1 Vehicle Speed Estimation using Acoustic Wave Patterns Volkan Cevher, Member, IEEE, Rama Chellappa, Fellow, IEEE James H. McClellan, Fellow, IEEE Abstract-- We estimate a vehicle's speed, its wheelbase acoustic sensor that records the vehicle's drive-by noise. The acoustic wave pattern is determined using

  13. 226 IEEE JOURNAL OF OCEANIC ENGINEERING, VOL. 22, NO. 2, APRIL 1997 Benchmarks for Validating Range-Dependent

    E-Print Network [OSTI]

    Gerstoft, Peter

    226 IEEE JOURNAL OF OCEANIC ENGINEERING, VOL. 22, NO. 2, APRIL 1997 Benchmarks for Validating Range. Schmidt is with the Department of Ocean Engineering, Massachusetts Institute of Technology, Cambridge, MA is with the Department of Ocean Engineering, Seoul National University, Seoul 151-742, Korea. Publisher Item Identifier

  14. 498 IEEE JOURNAL OF OCEANIC ENGINEERING, VOL. 26, NO. 4, OCTOBER 2001 Docking for an Autonomous Ocean Sampling

    E-Print Network [OSTI]

    Singh, Hanumant

    498 IEEE JOURNAL OF OCEANIC ENGINEERING, VOL. 26, NO. 4, OCTOBER 2001 Docking for an Autonomous of Applied Ocean Physics and Engineering, Woods Hole Oceano- graphic Institution, Woods Hole, MA 02543 USA (e is with the Department of Ocean Engineering, Massachusetts Insti- tute of Technology, Cambridge, MA 02139 USA (e

  15. 12 IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, VOL. 13, NO. 1, JANUARY 1995 Predictive Dynamic Bandwidth

    E-Print Network [OSTI]

    Ghosh, Joydeep

    transmission of real-time video traffic. I. INTRODUCTION TM technology offers a great flexibility of transmis, Member, IEEE, and Joydeep Ghosh Abstract- This paper presents a novel approach to dynamic transmission bandwidth allocation for transport of real-time variable-bit-rate video in ATM networks. Video traffic

  16. IEEE JOURNAL OF SOLID-STATE CIRCUITS, VOL. 45, NO. 12, DECEMBER 2010 2709 A CMOS Broadband Power Amplifier With

    E-Print Network [OSTI]

    Hajimiri, Ali

    bandwidth, optimum load impedance, power amplifier, transformer. I. INTRODUCTION CMOS technology offers, the output matching network for a CMOS PA requires a large impedance transformation ratio to generate highIEEE JOURNAL OF SOLID-STATE CIRCUITS, VOL. 45, NO. 12, DECEMBER 2010 2709 A CMOS Broadband Power

  17. 2994 IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, VOL. 4, NO. 6, NOVEMBER 2005 A GLRT Approach to Data-Aided Timing

    E-Print Network [OSTI]

    Giannakis, Georgios

    Science Foundation- Information Technology Research (NSF-ITR) under Grant EIA-0324864. This paper, and Georgios B. Giannakis, Fellow, IEEE Abstract--The overall system efficiency of impulse radio com depends not only on the mechanism used for energy capture and the acquisition algorithm employed

  18. IEEE TRANSACTIONS ON ELECTRON DEVICES, VOL. 50, NO. 3, MARCH 2003 769 A Wigner Function-Based Quantum Ensemble Monte

    E-Print Network [OSTI]

    Ringhofer, Christian

    IEEE TRANSACTIONS ON ELECTRON DEVICES, VOL. 50, NO. 3, MARCH 2003 769 A Wigner Function AS CURRENT device technologies quickly approach the scales whereby quantum effects due to the strong confine and trusted method for device simulation, as it is proven to be reliable and predictive [3]. However, as EMC

  19. 670 IEEE ELECTRON DEVICE LETTERS, VOL. 33, NO. 5, MAY 2012 Breakdown-Voltage-Enhancement Technique for

    E-Print Network [OSTI]

    Ng, Wai Tung

    670 IEEE ELECTRON DEVICE LETTERS, VOL. 33, NO. 5, MAY 2012 Breakdown-Voltage-Enhancement Technique (FP), GaN power devices, leakage current. I. INTRODUCTION AlGaN/GaN high-electron-mobility transistors Devices, University of Electronic Science and Technology of China, Chengdu 610054, China. E. Xu, J. Lee, N

  20. IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, VOL. 9, NO. 3, SEPTEMBER 1999 4591 Toward a Systematic Design Methodology for Large

    E-Print Network [OSTI]

    Friedman, Eby G.

    IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, VOL. 9, NO. 3, SEPTEMBER 1999 4591 Toward implementation, RSFQ superconducting electronics, synthesis, timing. I. INTRODUCTION ONE of the primary problems for the development of new tools specific to this superconducting technology. It is controversial whether

  1. Sandia`s photonic program and its changing national role

    SciTech Connect (OSTI)

    Carson, R.F.; Meyer, W.J.

    1994-03-01T23:59:59.000Z

    Photonics activities at Sandia National Laboratories are founded on an extensive materials research program. In 1988, the Compound Semiconductor Research Laboratory (CSRL) was established at Sandia to bring together device and materials research and development, in support of Sandia`s role in weapons technologies. Recently, industrial competitiveness has been added as a major mission for the national laboratories. As a result, present photonics programs are not only directed towards internal applications-driven projects, but are increasingly tied to the Department Of Energy`s (DOE`s) Technology Transfer Initiatives (TTIs), Cooperative Research and Development Agreements (CRADAs), and participation in partnerships and consortia. This evolution yields a full range of photonics programs, ranging from materials synthesis and device fabrication to packaging, test, and subsystem development. This paper presents an overview of Sandia`s photonics-program directions, using three applications as examples.

  2. Superconducting single photon detectors integrated with diamond nanophotonic circuits

    E-Print Network [OSTI]

    Rath, Patrik; Ferrari, Simone; Sproll, Fabian; Lewes-Malandrakis, Georgia; Brink, Dietmar; Ilin, Konstantin; Siegel, Michael; Nebel, Christoph; Pernice, Wolfram

    2015-01-01T23:59:59.000Z

    Photonic quantum technologies promise to repeat the success of integrated nanophotonic circuits in non-classical applications. Using linear optical elements, quantum optical computations can be performed with integrated optical circuits and thus allow for overcoming existing limitations in terms of scalability. Besides passive optical devices for realizing photonic quantum gates, active elements such as single photon sources and single photon detectors are essential ingredients for future optical quantum circuits. Material systems which allow for the monolithic integration of all components are particularly attractive, including III-V semiconductors, silicon and also diamond. Here we demonstrate nanophotonic integrated circuits made from high quality polycrystalline diamond thin films in combination with on-chip single photon detectors. Using superconducting nanowires coupled evanescently to travelling waves we achieve high detection efficiencies up to 66 % combined with low dark count rates and timing resolu...

  3. Photon collider Higgs factories

    E-Print Network [OSTI]

    V. I. Telnov

    2014-09-19T23:59:59.000Z

    The discovery of the Higgs boson (and still nothing else) have triggered appearance of many proposals of Higgs factories for precision measurement of the Higgs properties. Among them there are several projects of photon colliders (PC) without e+e- in addition to PLC based on e+e- linear colliders ILC and CLIC. In this paper, following a brief discussion of Higgs factories physics program I give an overview of photon colliders based on linear colliders ILC and CLIC, and of the recently proposed photon-collider Higgs factories with no e+e- collision option based on recirculation linacs in ring tunnels.

  4. ENGINEERING TECHNOLOGY Engineering Technology

    E-Print Network [OSTI]

    ENGINEERING TECHNOLOGY Engineering Technology Program The Bachelor of Science in Engineering Technology (BSET) is a hands-on program based upon engineering technology fundamentals, engineering for employment or further education. The focus is on current engineering technology issues and applications used

  5. Photon trap for neutralization of negative ions beams

    E-Print Network [OSTI]

    Popov, S S; Ivanov, A A; Kotelnikov, I A

    2015-01-01T23:59:59.000Z

    For effectively neutralization of the powerful negative ions beams of hydrogen and deuterium the photon target is considered in long time. The attractiveness of the traditional approach (Fabry-Perot resonators) to their creation is limited to a number of stringent technical requirements and large economic costs. In this paper we propose a new concept of non-resonant photon trap (storage) for creation more technologically simple optical neutralizers.

  6. Nanoantenna enhancement for telecom-wavelength superconducting single photon detectors

    E-Print Network [OSTI]

    Heath, Robert M; Drysdale, Timothy D; Miki, Shigehito; Giannini, Vincenzo; Maier, Stefan A; Hadfield, Robert H

    2015-01-01T23:59:59.000Z

    Superconducting nanowire single photon detectors are rapidly emerging as a key infrared photon-counting technology. Two front-side-coupled silver dipole nanoantennas, simulated to have resonances at 1480 nm and 1525 nm, were fabricated in a two-step process. An enhancement of 50% to 130% in the system detection efficiency was observed when illuminating the antennas. This offers a pathway to increasing absorption into superconducting nanowires, creating larger active areas, and achieving more efficient detection at longer wavelengths.

  7. advanced optical technologies: Topics by E-print Network

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Optical Technologies" to a scientist with outstanding contributions in the areas of optics, photonics and optical technologies. The prize money is 100,000 to be used for salary...

  8. Efficient room-temperature source of polarized single photons

    DOE Patents [OSTI]

    Lukishova, Svetlana G. (Honeoye Falls, NY); Boyd, Robert W. (Rochester, NY); Stroud, Carlos R. (Rochester, NY)

    2007-08-07T23:59:59.000Z

    An efficient technique for producing deterministically polarized single photons uses liquid-crystal hosts of either monomeric or oligomeric/polymeric form to preferentially align the single emitters for maximum excitation efficiency. Deterministic molecular alignment also provides deterministically polarized output photons; using planar-aligned cholesteric liquid crystal hosts as 1-D photonic-band-gap microcavities tunable to the emitter fluorescence band to increase source efficiency, using liquid crystal technology to prevent emitter bleaching. Emitters comprise soluble dyes, inorganic nanocrystals or trivalent rare-earth chelates.

  9. High intrinsic energy resolution photon number resolving detectors

    E-Print Network [OSTI]

    Lolli, L; Portesi, C; Monticone, E; Rajteri, M

    2013-01-01T23:59:59.000Z

    Transition Edge Sensors (TESs) are characterized by the intrinsic figure of merit to resolve both the energy and the statistical distribution of the incident photons. These properties lead TES devices to become the best single photon detector for quantum technology experiments. For a TES based on titanium and gold has been reached, at telecommunication wavelength, an unprecedented intrinsic energy resolution (0.113 eV). The uncertainties analysis of both energy resolution and photon state assignment has been discussed. The thermal properties of the superconductive device have been studied by fitting the bias curve to evaluate theoretical limit of the energy resolution.

  10. Electronic and photonic power applications

    SciTech Connect (OSTI)

    Walko, R.J.; Ashley, C.S.; Brinker, C.J.; Reed, S.T.; Renschler, C.L. (Sandia National Labs., Albuquerque, NM (USA)); Shepodd, T.J. (Sandia National Labs., Livermore, CA (USA)); Ellefson, R.E.; Gill, J.T. (EG and G Mound Applied Technologies, Miamisburg, OH (USA)); Leonard, L.E. (USDOE, Washington, DC (USA))

    1990-01-01T23:59:59.000Z

    Efficient conversion of radioactive decay to electrical power has been the goal of a number of past research efforts. One of these was the Elgin-Kidde nuclear battery. In this concept promethium-147 was used as a beta source which was then mixed with a phosphor to produce a radioluminescent (RL) source of light. The light source was coupled to silicon photovoltaic converters to create electricity. This photoelectric approach is being revisited using tritium based solid state compounds and advanced gas concepts to produce RL light sources being disclosed at this conference. Efficient conversion of the RL light energy to electrical energy imposes certain requirements on the semiconductor converter. These requirements will be discussed. Projections of power source electrical and physical characteristics will be presented based on reasonable design parameter assumptions. The words Power Supply'' usually evoke a vision of a rotating machine or chemical battery. However, today's technology is making increasing use of photonics, where information and even power can be moved through optical fibers. Brighter volumetric RL light sources open a whole new range of photonics-based applications, while solid state tritiated compounds provide the foundation for improved mechanical adaptability and safety. 4 refs., 6 figs., 1 tab.

  11. Photon Storage Cavities

    E-Print Network [OSTI]

    Kim, K.-J.

    2008-01-01T23:59:59.000Z

    Sessler, "Analysis of Photon Storage Cavities for a Free-configuration of coupled storage cavity and PEL cavity. TheFig. 2. A ring resonator storage cavity coupled through a

  12. Photon Science for Renewable Energy

    SciTech Connect (OSTI)

    Hussain, Zahid; Tamura, Lori; Padmore, Howard; Schoenlein, Bob; Bailey, Sue

    2010-03-31T23:59:59.000Z

    Our current fossil-fuel-based system is causing potentially catastrophic changes to our planet. The quest for renewable, nonpolluting sources of energy requires us to understand, predict, and ultimately control matter and energy at the electronic, atomic, and molecular levels. Light-source facilities - the synchrotrons of today and the next-generation light sources of tomorrow - are the scientific tools of choice for exploring the electronic and atomic structure of matter. As such, these photon-science facilities are uniquely positioned to jump-start a global revolution in renewable and carbonneutral energy technologies. In these pages, we outline and illustrate through examples from our nation's light sources possible scientific directions for addressing these profound yet urgent challenges.

  13. Technologies forTechnologies for Photonic Integrated CircuitsPhotonic Integrated Circuits

    E-Print Network [OSTI]

    Liebling, Michael

    BWe.g., high BW OPLLsOPLLs ∑∑ Demonstrated components:Demonstrated components: ≠≠ Tunable transmitters

  14. Efficient Transmitters for Wireless Communications in Nanoscale CMOS Technology

    E-Print Network [OSTI]

    Chowdhury, Debopriyo

    2010-01-01T23:59:59.000Z

    output power,Ē in IEEE European Solid-State Circuitsoutput power,Ē in IEEE International Solid State Circuits+22dbm linear power ampli?er,Ē IEEE Journal of Solid State

  15. Proceedings of the 23rd IEEE International Symposium on Reliable Distributed Systems (SRDS'04) 1060-9857/04 $ 20.00 IEEE

    E-Print Network [OSTI]

    Reiter, Michael

    Proceedings of the 23rd IEEE International Symposium on Reliable Distributed Systems (SRDS'04) 1060-9857/04 $ 20.00 IEEE #12;Proceedings of the 23rd IEEE International Symposium on Reliable Distributed Systems Distributed Systems (SRDS'04) 1060-9857/04 $ 20.00 IEEE #12;Proceedings of the 23rd IEEE International

  16. Proceedings of the Ninth IEEE International Conference on Computer Vision (ICCV 2003) 2-Volume Set 0-7695-1950-4/03 $17.00 2003 IEEE

    E-Print Network [OSTI]

    Kim, Tae-Kyun

    Proceedings of the Ninth IEEE International Conference on Computer Vision (ICCV 2003) 2-Volume Set 0-7695-1950-4/03 $17.00 © 2003 IEEE #12;Proceedings of the Ninth IEEE International Conference.00 © 2003 IEEE #12;Proceedings of the Ninth IEEE International Conference on Computer Vision (ICCV 2003) 2

  17. Proceedings of the 2003 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'03) 1063-6919/03 $17.00 2003 IEEE

    E-Print Network [OSTI]

    Vese, Luminita A.

    Proceedings of the 2003 IEEE Computer Society Conference on Computer Vision and Pattern Recognition (CVPR'03) 1063-6919/03 $17.00 © 2003 IEEE #12;Proceedings of the 2003 IEEE Computer Society Conference-6919/03 $17.00 © 2003 IEEE #12;Proceedings of the 2003 IEEE Computer Society Conference on Computer Vision

  18. Optimize Storage Placement in Sensor Bo Sheng, Member, IEEE, Qun Li, Member, IEEE, and Weizhen Mao, Member, IEEE

    E-Print Network [OSTI]

    Mao, Weizhen

    nodes with much larger permanent storage (e.g., flash memory) and more battery power can be deployed-by-hop relay of other sensor nodes, the problem of limited storage, com- munication capacity, and battery power1 Optimize Storage Placement in Sensor Networks Bo Sheng, Member, IEEE, Qun Li, Member, IEEE

  19. Full Quantum Analysis of Two-Photon Absorption Using Two-Photon Wavefunction: Comparison with One-Photon Absorption

    E-Print Network [OSTI]

    Toshihiro Nakanishi; Hirokazu Kobayashi; Kazuhiko Sugiyama; Masao Kitano

    2009-06-01T23:59:59.000Z

    For dissipation-free photon-photon interaction at the single photon level, we analyze one-photon transition and two-photon transition induced by photon pairs in three-level atoms using two-photon wavefunctions. We show that the two-photon absorption can be substantially enhanced by adjusting the time correlation of photon pairs. We study two typical cases: Gaussian wavefunction and rectangular wavefunction. In the latter, we find that under special conditions one-photon transition is completely suppressed while the high probability of two-photon transition is maintained.

  20. Photon Source Parameters

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOnItemResearch > TheNuclear AstrophysicsPayroll, TaxesSeparationsRelevant toPhotonPhoton

  1. Photons & Fusion Newsletter

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeeding accessPeptoid NanosheetsStudying thePhotoinducedPhotonPhotonic2

  2. Photons & Fusion Newsletter

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeeding accessPeptoid NanosheetsStudying thePhotoinducedPhotonPhotonic2July

  3. IEEE Copyright Statement: Copyright 2006 IEEE. Reprinted from Proceedings of the IEEE PES General Meeting,

    E-Print Network [OSTI]

    Ilic, Marija D.

    there were not faults on the protected lines. These relays are the common mode of failure that accelerated-permissions@ieee.org. By choosing to view this document, you agree to all provisions of the copyright laws protecting it. #12;Toward Smarter Current Relays for Power Grids Yi Zhang, Marija Prica, Marija D. Ilic, and Ozan K. Tonguz

  4. Coupled optical and electrical modeling of solar cell based on conical pore silicon photonic crystals

    E-Print Network [OSTI]

    John, Sajeev

    a significant part of silicon solar cell cost. Thin film technology is a promising way to avoid these costCoupled optical and electrical modeling of solar cell based on conical pore silicon photonic://jap.aip.org/authors #12;Coupled optical and electrical modeling of solar cell based on conical pore silicon photonic

  5. Hybrid laser with CMOS photonics

    E-Print Network [OSTI]

    Chong, Johanna S

    2014-01-01T23:59:59.000Z

    In this thesis, an interesting approach for a photonic laser source is presented. By using integrated photonic resonators with an external gain medium, we are able to build a laser that offers a number of advantages including ...

  6. Active materials in photonic crystals

    E-Print Network [OSTI]

    Bermel, Peter (Peter A.)

    2007-01-01T23:59:59.000Z

    I analyze new phenomena arising from embedding active materials inside of photonic crystal structures. These structures strongly modify the photonic local density of states (LDOS), leading to quantitative and qualitative ...

  7. Quantum limits to estimation of photon deformation

    E-Print Network [OSTI]

    Giovanni De Cillis; Matteo G. A. Paris

    2014-07-08T23:59:59.000Z

    We address potential deviations of radiation field from the bosonic behaviour and employ local quantum estimation theory to evaluate the ultimate bounds to precision in the estimation of these deviations using quantum-limited measurements on optical signals. We consider different classes of boson deformation and found that intensity measurement on coherent or thermal states would be suitable for their detection making, at least in principle, tests of boson deformation feasible with current quantum optical technology. On the other hand, we found that the quantum signal-to-noise ratio (QSNR) is vanishing with the deformation itself for all the considered classes of deformations and probe signals, thus making any estimation procedure of photon deformation inherently inefficient. A partial way out is provided by the polynomial dependence of the QSNR on the average number of photon, which suggests that, in principle, it would be possible to detect deformation by intensity measurements on high-energy thermal states.

  8. Spinons and Holons with Polarized Photons in a Nonlinear Waveguide

    E-Print Network [OSTI]

    Ming-Xia Huo; Dimitris G. Angelakis; Leong Chuan Kwek

    2012-07-20T23:59:59.000Z

    We show that the spin-charge separation predicted for correlated fermions in one dimension, could be observed using polarized photons propagating in a nonlinear optical waveguide. Using coherent control techniques and employing a cold atom ensemble interacting with the photons, large nonlinearities in the single photon level can be achieved. We show that the latter can allow for the simulation of a strongly interacting gas, which is made of stationary dark-state polaritons of two species and then shown to form a Luttinger liquid of effective fermions for the right regime of interactions. The system can be tuned optically to the relevant regime where the spin-charge separation is expected to occur. The characteristic features of the separation as demonstrated in the different spin and charge densities and velocities can be efficiently detected via optical measurements of the emitted photons with current optical technologies.

  9. Materials for freeform fabrication of GHz tunable dielectric photonic crystals.

    SciTech Connect (OSTI)

    Niehaus, Michael Keith; Lewis, Jennifer A. (University of Illinois, Urbana, IL); Smay, James Earl; Clem, Paul Gilbert; Lin, Shawn-Yu; Cesarano, Joseph, III (,; ); Carroll, James F.

    2003-01-01T23:59:59.000Z

    Photonic crystals are of interest for GHz transmission applications, including rapid switching, GHz filters, and phased-array technology. 3D fabrication by Robocasting enables moldless printing of high solid loading slurries into structures such as the ''woodpile'' structures used to fabricate dielectric photonic band gap crystals. In this work, tunable dielectric materials were developed and printed into woodpile structures via solid freeform fabrication (SFF) toward demonstration of tunable photonic crystals. Barium strontium titanate ceramics possess interesting electrical properties including high permittivity, low loss, and high tunability. This paper discusses the processing route and dielectric characterization of (BaxSr1-XTiO3):MgO ceramic composites, toward fabrication of tunable dielectric photonic band gap crystals.

  10. Two-photon wave mechanics

    E-Print Network [OSTI]

    Brian J. Smith; M. G. Raymer

    2007-02-21T23:59:59.000Z

    The position-representation wave function for multi-photon states and its equation of motion are introduced. A major strength of the theory is that it describes the complete evolution (including polarization and entanglement) of multi-photon states propagating through inhomogeneous media. As a demonstration of the two-photon wave function's use, we show how two photons in an orbital-angular-momentum entangled state decohere upon propagation through a turbulent atmosphere.

  11. Advanced Photon Source Upgrade Project

    ScienceCinema (OSTI)

    Mitchell, John; Gibson, Murray; Young, Linda; Joachimiak, Andrzej

    2013-04-19T23:59:59.000Z

    Upgrade to Advanced Photon Source announced by Department Of Energy. Read more: http://go.usa.gov/ivZ

  12. Mid-Infrared Single-Photon Detection Using Superconducting Nanowires Integrated with Nano-Antennae

    E-Print Network [OSTI]

    Berggren, Karl K.

    We present some major challenges of mid-infrared superconducting nanowire single-photon detector technology and our device design with nano-antenna integration to address these challenges.

  13. High-speed silicon electro-optic modulator for electronic photonic integrated circuits

    E-Print Network [OSTI]

    Gan, Fuwan

    2007-01-01T23:59:59.000Z

    The development of future electronic-photonic integrated circuits (EPIC) based on silicon technology critically depends on the availability of CMOS-compatible high-speed modulators that enable the interaction of electronic ...

  14. Development of high-speed two-photon microscopy for biological and medical applications

    E-Print Network [OSTI]

    Kim, Ki Hean

    2005-01-01T23:59:59.000Z

    Two-photon microscopy (TPM) is one of the most powerful microscopic technologies for in-vivo 3D tissue imaging up to a few hundred micrometers. It has been finding important applications in neuronal imaging, tumor physiology ...

  15. Ge-on-Si light-emitting materials and devices for silicon photonics

    E-Print Network [OSTI]

    Sun, Xiaochen

    2009-01-01T23:59:59.000Z

    The rapid growing needs for high data transmission bandwidth challenge the metal interconnection technology in every area from chip-level interconnects to long distance communication. Silicon photonics is an ideal platform ...

  16. Photon collider at TESLA

    E-Print Network [OSTI]

    Valery Telnov

    2001-03-06T23:59:59.000Z

    High energy photon colliders (gamma-gamma, gamma-electron) based on backward Compton scattering of laser light is a very natural addition to e+e- linear colliders. In this report we consider this option for the TESLA project. Recent study has shown that the horizontal emittance in the TESLA damping ring can be further decreased by a factor of four. In this case the gamma-gamma luminosity luminosity in the high energy part of spectrum can reach (1/3)L_{e+e-}. Typical cross sections of interesting processes in gamma-gamma collisions are higher than those in e+e- collisions by about one order of magnitude, so the number of events in gamma-gamma collisions will be more than that in e+e- collisions. Photon colliders can, certainly, give additional information and they are the best for the study of many phenomena. The main question is now the technical feasibility. The key new element in photon colliders is a very powerful laser system. An external optical cavity is a promising approach for the TESLA project. A free electron laser is another option. However, a more straightforward solution is ``an optical storage ring (optical trap)'' with diode pumped solid state laser injector which is today technically feasible. This paper briefly reviews the status of a photon collider based at TESLA, its possible parameters and existing problems.

  17. Photonic Science & Engineering

    E-Print Network [OSTI]

    Wu, Shin-Tson

    3321 Engineering Dynamics (3) EGN 3211 Engineering Analysis (3) STA 3032 Probability / Statistics (3Photonic Science & Engineering 2014-2015 Suggested Plan* www.creol.ucf.edu undergrad for Engineers I (4) PHY 3101 Physics for Engineers III (3) MAC 2311C** Calculus I (4) MAC 2312** Calculus II (4

  18. Slow light enhanced photon echoes

    E-Print Network [OSTI]

    J. Hahn; B. S. Ham

    2009-09-28T23:59:59.000Z

    We report a slow light-enhanced photon echo method, whose retrieval efficiency is two orders of magnitude higher than that of conventional photon echoes. The enhanced photon echo efficiency is due to lengthened interaction time given by ultraslow group velocity.

  19. Overseas Training Event for IEEE participating Universities of Pakistan Institution of Electrical & Electronics Engineers (IEEE) has been offering its topoftheline product, IEEE

    E-Print Network [OSTI]

    Siddiqi, Sajjad Ahmed

    Overseas Training Event for IEEE participating Universities of Pakistan Institution institution of Pakistan in the fields of engineering and computer sciences got the access to premier of Pakistan are subscribing to IEEE Xplore. IEEE has keenly observed this trend among the Pakistani

  20. Approaches to Creating and Controlling Motion in MRI Gregory S. Fischer, Member, IEEE, Gregory Cole, Student Member, IEEE and Hao Su, Student Member, IEEE

    E-Print Network [OSTI]

    Camesano, Terri

    Approaches to Creating and Controlling Motion in MRI Gregory S. Fischer, Member, IEEE, Gregory Cole, Student Member, IEEE and Hao Su, Student Member, IEEE Abstract-- Magnetic Resonance Imaging (MRI) can is complicated by factors including: the high magnetic field strength, the requirement that such devices should

  1. On the Capacity of k-MPR Wireless Networks Ming-Fei Guo, Member, IEEE, Xinbing Wang, Member, IEEE, Min-You Wu, Senior Member, IEEE

    E-Print Network [OSTI]

    Wang, Xinbing

    1 On the Capacity of k-MPR Wireless Networks Ming-Fei Guo, Member, IEEE, Xinbing Wang, Member, IEEE, Min-You Wu, Senior Member, IEEE Abstract--The capacity of wireless ad hoc networks is mainly the capacity of 2-D wireless networks wherein each node can decode at most k simultaneous transmis- sions

  2. IEEE TRANSACTIONS ON CYBERNETICS

    SciTech Connect (OSTI)

    Craig R. RIeger; David H. Scheidt; William D. Smart

    2014-11-01T23:59:59.000Z

    MODERN societies depend on complex and critical infrastructures for energy, transportation, sustenance, medical care, emergency response, communications security. As computers, automation, and information technology (IT) have advanced, these technologies have been exploited to enhance the efficiency of operating the processes that make up these infrastructures

  3. Proceedings of the ACM/IEEE SC97 Conference (SC'97) 0-89791-985-8/97 $ 17.00 1997 IEEE

    E-Print Network [OSTI]

    Brightwell, Ron

    Proceedings of the ACM/IEEE SC97 Conference (SC'97) 0-89791-985-8/97 $ 17.00 © 1997 IEEE #12;Proceedings of the ACM/IEEE SC97 Conference (SC'97) 0-89791-985-8/97 $ 17.00 © 1997 IEEE #12;Proceedings of the ACM/IEEE SC97 Conference (SC'97) 0-89791-985-8/97 $ 17.00 © 1997 IEEE #12;Proceedings of the ACM

  4. Proceedings of IEEE International Conference Computer Vision (ICCV 2003) 2Volume

    E-Print Network [OSTI]

    Zisserman, Andrew

    Proceedings of IEEE International Conference Computer Vision (ICCV 2003) 2≠Volume 0≠7695≠1950≠4/03 $17.00 © 2003 IEEE #12; Proceedings of IEEE International Conference Computer Vision (ICCV 2003) 2≠Volume 0≠7695≠1950≠4/03 $17.00 © 2003 IEEE #12; Proceedings of IEEE International Conference Computer

  5. Copyright 2014 IEEE. Reprinted, with permission from: CERTS Microgrid Demonstration With Large-Scale Energy

    E-Print Network [OSTI]

    diesel generators. Adding a 2-MW, 4-MWh storage system, a fast static switch, and a power factor cor-Scale Energy Storage and Renewable Generation Eduardo Alegria, Member, IEEE; Tim Brown, Member, IEEE; Erin and Renewable Generation Eduardo Alegria, Member, IEEE, Tim Brown, Member, IEEE, Erin Minear, Member, IEEE

  6. Controlled Photonic Manipulation of Proteins and Other Nanomaterials

    E-Print Network [OSTI]

    Chen, Peng

    Controlled Photonic Manipulation of Proteins and Other Nanomaterials Yih-Fan Chen,,,ß Xavier Serey: The ability to controllably handle the smallest materials is a fundamental enabling technology for nanoscience force to manipulate dielectric materials smaller than about 100 nm. Recently, several near-field optical

  7. 3818 IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, VOL. 11, NO. 10, OCTOBER 2012 RNP-SA: Joint Relay Placement and Sub-Carrier

    E-Print Network [OSTI]

    Shen, Xuemin "Sherman"

    (Sherman) Shen, Fellow, IEEE Abstract--Green energy is emerging as a promising alternative energy source.e., RNs powered by green energy, and optimize resource allocation to ensure full network connectivity-generation radio communication networks. Recent advances in green energy technology make it possible Manuscript

  8. 50 IEEE TRANSACTIONS ON BIOMEDICAL CIRCUITS AND SYSTEMS, VOL. 2, NO. 1, MARCH 2008 Defect-Aware High-Level Synthesis and Module

    E-Print Network [OSTI]

    Chakrabarty, Krishnendu

    -Aware High-Level Synthesis and Module Placement for Microfluidic Biochips Tao Xu, Krishnendu Chakrabarty, Fellow, IEEE, and Fei Su Abstract--Recent advances in microfluidics technology have led to the emergence of microfluidic biochips relies on the principle of electrowetting-on- dielectric, whereby discrete droplets

  9. IEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION (VLSI) SYSTEMS, VOL. XX, NO. Y, MONTH 2005 1 A VLSI Architecture for Visible Watermarking in a

    E-Print Network [OSTI]

    Mohanty, Saraju P.

    IEEE TRANSACTIONS ON VERY LARGE SCALE INTEGRATION (VLSI) SYSTEMS, VOL. XX, NO. Y, MONTH 2005 1 is implemented using 0.35¬Ķ technology, which consumes 6.9mW power while operating at 292MHz. Index Terms is in spatial domain, discrete cosine transformed, or wavelet transformed, water- marks of varying degree

  10. Energy-Harvesting System-in-Package (SiP) Micro-System1 Erick O. Torres, Student Member, IEEE2

    E-Print Network [OSTI]

    Rincon-Mora, Gabriel A.

    the stored energy available in state-of-the-art micro-battery technologies, such as thin-film lithium ion (Li://www.rincon-mora.com. #12;2 CE Database Subject Headings: energy harvesting, energy conversion, energy sources, energyEnergy-Harvesting System-in-Package (SiP) Micro-System1 Erick O. Torres, Student Member, IEEE2

  11. 978-1-4577-1221-0/11/$26.00 2011 IEEE QuARES: Quality-aware Data Collection in Energy Harvesting Sensor Networks

    E-Print Network [OSTI]

    Venkatasubramanian, Nalini

    978-1-4577-1221-0/11/$26.00 ©2011 IEEE QuARES: Quality-aware Data Collection in Energy Harvesting Irvine, USA email: ntdang, eli, nalini @ics.uci.edu Nalini Venkatasubramanian Abstract--Renewable energy technology has become a promising solution to reduce energy concerns due to limited battery in wireless

  12. 0018-9162/01/$10.00 2001 IEEE March 2001 73 R E S E A R C H F E A T U R E

    E-Print Network [OSTI]

    El-Ansary, Sameh

    and tools. Many proposals suggest using mobile agent technology middleware to address these issues.4 services: user vir- tual environment (UVE), mobile virtual terminal (MVT), and virtual resource management0018-9162/01/$10.00 © 2001 IEEE March 2001 73 R E S E A R C H F E A T U R E Mobile Agent Middleware

  13. Submitted to IEEE Transactions on Power Systems, Nov. 2007 1 Abstract--A key need facing the electric power industry is the

    E-Print Network [OSTI]

    Submitted to IEEE Transactions on Power Systems, Nov. 2007 1 Abstract--A key need facing are included, along with external system connections to demonstrate how power is imported and exported Terms--educational technology, energy conservation, power engineering education, power systems, load

  14. IEEE TRANSACTIONS ON INFORMATION THEORY, VOL. 52, NO. 4, APRIL 2006 1739 [11] S. N. Crozier, "New high-spread high-distance interleavers for turbo-

    E-Print Network [OSTI]

    No, Jong-Seon

    high-spread high-distance interleavers for turbo- codes," in Proc. 20th Bienn. Symp. Communications-memory inter- leaver banks for turbo-codes," in Proc.54th IEEE Vehicular Technology Conf. (VTC'01), Atlantic City, NJ, Oct. 2001, pp. 2394­2398. [13] D. Divsalar and F. Pollara, "Turbo codes for PCS applications

  15. 1100 IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS--I: REGULAR PAPERS, VOL. 51, NO. 6, JUNE 2004 SiGe HMODFET "KAIST" Micropower Model and

    E-Print Network [OSTI]

    Papavassiliou, Christos

    1100 IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS--I: REGULAR PAPERS, VOL. 51, NO. 6, JUNE 2004 SiGe of a novel SiGe n-HMODFET device operating at micropower levels and extracted small-signal model parameters in SiGe technology, and a comparison of modeled versus measured data is included. Index Terms

  16. IEEE JOURNAL OF SOLID-STATE CIRCUITS, VOL. 42, NO. 9, SEPTEMBER 2007 1821 Design and Scaling of W-Band SiGe BiCMOS VCOs

    E-Print Network [OSTI]

    Voinigescu, Sorin Petre

    -Band SiGe BiCMOS VCOs Sean T. Nicolson, Kenneth H. K. Yau, Student Member, IEEE, Pascal Chevalier, Member in two generations of SiGe BiCMOS technology, with MOS and HBT varactors, and with integrated inductors be used to monitor the mm-wave noise performance of SiGe HBTs. Mea- surements show a 106 GHz VCO operating

  17. Control of two-photon quantum walk in a complex multimode system by wavefront shaping

    E-Print Network [OSTI]

    Defienne, Hugo; Walmsley, Ian A; Smith, Brian J; Gigan, Sylvain

    2015-01-01T23:59:59.000Z

    Multi-photon interferences in complex multimode structures - quantum walks - are of both funda- mental and technological interest. They rely on the ability to design the complex network where the walk occurs. Here, we demonstrate the control of quantum walks of two indistinguishable photons in a complex linear system - a highly multimode fiber - by means of wavefront shaping techniques. Using the measured transmission matrix of the fiber, we demonstrate the ability to address arbitrary output modes of the two-photon speckle pattern, and simultaneous control of the quantum inter- ferences. This work provides a reconfigurable platform for multi-photon, multimode interference experiments and a route to high-dimensional quantum systems.

  18. Photonic-powered cable assembly

    DOE Patents [OSTI]

    Sanderson, Stephen N; Appel, Titus James; Wrye, IV, Walter C

    2014-06-24T23:59:59.000Z

    A photonic-cable assembly includes a power source cable connector ("PSCC") coupled to a power receive cable connector ("PRCC") via a fiber cable. The PSCC electrically connects to a first electronic device and houses a photonic power source and an optical data transmitter. The fiber cable includes an optical transmit data path coupled to the optical data transmitter, an optical power path coupled to the photonic power source, and an optical feedback path coupled to provide feedback control to the photonic power source. The PRCC electrically connects to a second electronic device and houses an optical data receiver coupled to the optical transmit data path, a feedback controller coupled to the optical feedback path to control the photonic power source, and a photonic power converter coupled to the optical power path to convert photonic energy received over the optical power path to electrical energy to power components of the PRCC.

  19. Photonic-powered cable assembly

    DOE Patents [OSTI]

    Sanderson, Stephen N.; Appel, Titus James; Wrye, IV, Walter C.

    2013-01-22T23:59:59.000Z

    A photonic-cable assembly includes a power source cable connector ("PSCC") coupled to a power receive cable connector ("PRCC") via a fiber cable. The PSCC electrically connects to a first electronic device and houses a photonic power source and an optical data transmitter. The fiber cable includes an optical transmit data path coupled to the optical data transmitter, an optical power path coupled to the photonic power source, and an optical feedback path coupled to provide feedback control to the photonic power source. The PRCC electrically connects to a second electronic device and houses an optical data receiver coupled to the optical transmit data path, a feedback controller coupled to the optical feedback path to control the photonic power source, and a photonic power converter coupled to the optical power path to convert photonic energy received over the optical power path to electrical energy to power components of the PRCC.

  20. Proceedingsof the 37th IEEE Tampa, Florida USA December 1998

    E-Print Network [OSTI]

    Gevers, Michel

    authors. 0-7803-4394-8198$10.000 1998 IEEE 3390 The recent research on identification for control has

  1. Photon Source Parameters

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible for RenewableSpeedingBiomassPPPOPetroleum Reserves Vision,4 Photomultiplier TubePhoton

  2. Photonics | GE Global Research

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible for RenewableSpeedingBiomassPPPOPetroleum Reserves Vision,4 PhotomultiplierPhotonicHome

  3. OCTOBER 2013 IEEE CONTROL SYSTEMS MAGAZINE 23 PEOPLE IN CONTROL

    E-Print Network [OSTI]

    Benmei, Chen

    -related journals including Automatica, Systems and Control Letters, and IEEE Transac- tions on Automatic Control Transactions on Automatic Control, Automatica, System and Control Letters, and European Journal of ControlOCTOBER 2013 ę IEEE CONTROL SYSTEMS MAGAZINE 23 PEOPLE IN CONTROL ę I n this issue of IEEE Control

  4. Introduction to the IEEE Transactions on Cloud Computing

    E-Print Network [OSTI]

    Buyya, Rajkumar

    Introduction to the IEEE Transactions on Cloud Computing Rajkumar Buyya Welcome to the IEEE Transactions on Cloud Computing (TCC). It is my privilege and honor to serve as the inaugural Editor-in-Chief of TCC. I would like to thank the IEEE and the world-wide Cloud Computing community for giving me

  5. Introduction to Solar Photon Conversion

    SciTech Connect (OSTI)

    Nozik, A.; Miller, J.

    2010-11-10T23:59:59.000Z

    The efficient and cost-effective direct conversion of solar photons into solar electricity and solar fuels is one of the most important scientific and technological challenges of this century. It is estimated that at least 20 terawatts of carbon-free energy (1 and 1/2 times the total amount of all forms of energy consumed today globally), in the form of electricity and liquid and gaseous fuels, will be required by 2050 in order to avoid the most serious consequences of global climate change and to ensure adequate global energy supply that will avoid economic chaos. But in order for solar energy to contribute a major fraction of future carbon-free energy supplies, it must be priced competitively with, or perhaps even be less costly than, energy from fossil fuels and nuclear power as well as other renewable energy resources. The challenge of delivering very low-cost solar fuels and electricity will require groundbreaking advances in both fundamental and applied science. This Thematic Issue on Solar Photon Conversion will provide a review by leading researchers on the present status and prognosis of the science and technology of direct solar photoconversion to electricity and fuels. The topics covered include advanced and novel concepts for low-cost photovoltaic (PV) energy based on chemistry (dye-sensitized photoelectrodes, organic and molecular PV, multiple exciton generation in quantum dots, singlet fission), solar water splitting, redox catalysis for water oxidation and reduction, the role of nanoscience and nanocrystals in solar photoconversion, photoelectrochemical energy conversion, and photoinduced electron transfer. The direct conversion of solar photons to electricity via photovoltaic (PV) cells is a vital present-day commercial industry, with PV module production growing at about 75%/year over the past 3 years. However, the total installed yearly averaged energy capacity at the end of 2009 was about 7 GW-year (0.2% of global electricity usage). Thus, there is potential for the PV industry to grow enormously in the future (by factors of 100-300) in order for it to provide a significant fraction of total global electricity needs (currently about 3.5 TW). Such growth will be greatly facilitated by, and probably even require, major advances in the conversion efficiency and cost reduction for PV cells and modules; such advances will depend upon advances in PV science and technology, and these approaches are discussed in this Thematic Issue. Industrial and domestic electricity utilization accounts for only about 30% of the total energy consumed globally. Most ({approx}70%) of our energy consumption is in the form of liquid and gaseous fuels. Presently, solar-derived fuels are produced from biomass (labeled as biofuels) and are generated through biological photosynthesis. The global production of liquid biofuels in 2009 was about 1.6 million barrels/day, equivalent to a yearly output of about 2.5 EJ (about 1.3% of global liquid fuel utilization). The direct conversion of solar photons to fuels produces high-energy chemical products that are labeled as solar fuels; these can be produced through nonbiological approaches, generally called artificial photosynthesis. The feedstocks for artificial photosynthesis are H{sub 2}O and CO{sub 2}, either reacting as coupled oxidation-reduction reactions, as in biological photosynthesis, or by first splitting H{sub 2}O into H{sub 2} and O{sub 2} and then reacting the solar H{sub 2} with CO{sub 2} (or CO produced from CO2) in a second step to produce fuels through various well-known chemical routes involving syngas, water gas shift, and alcohol synthesis; in some applications, the generated solar H{sub 2} itself can be used as an excellent gaseous fuel, for example, in fuel cells. But at the present time, there is no solar fuels industry. Much research and development are required to create a solar fuels industry, and this Thematic Issue presents several reviews on the relevant solar fuels science and technology. The first three manuscripts relate to the daunting problem of producing

  6. Faience Technology

    E-Print Network [OSTI]

    Nicholson, Paul

    2009-01-01T23:59:59.000Z

    by Joanne Hodges. Faience Technology, Nicholson, UEE 2009Egyptian materials and technology, ed. Paul T. Nicholson,Nicholson, 2009, Faience Technology. UEE. Full Citation:

  7. Superconducting nanowire single-photon detectors: physics and applications

    E-Print Network [OSTI]

    Chandra M. Natarajan; Michael G. Tanner; Robert H. Hadfield

    2012-04-25T23:59:59.000Z

    Single-photon detectors based on superconducting nanowires (SSPDs or SNSPDs) have rapidly emerged as a highly promising photon-counting technology for infrared wavelengths. These devices offer high efficiency, low dark counts and excellent timing resolution. In this review, we consider the basic SNSPD operating principle and models of device behaviour. We give an overview of the evolution of SNSPD device design and the improvements in performance which have been achieved. We also evaluate device limitations and noise mechanisms. We survey practical refrigeration technologies and optical coupling schemes for SNSPDs. Finally we summarize promising application areas, ranging from quantum cryptography to remote sensing. Our goal is to capture a detailed snapshot of an emerging superconducting detector technology on the threshold of maturity.

  8. efficiencly IEEE Wireless Communications October 201158 1536-1284/11/$25.00 2011 IEEE

    E-Print Network [OSTI]

    Shen, Xuemin "Sherman"

    energy efficiency of the system, such as energy audit software and dynamic voltage control. In additiona Modulation and coding a Green energy Energy efficiencly Hardware n- IEEE Wireless Communications · October 201158 1536-1284/11/$25.00 © 2011 IEEE LIN X. CAI AND H. VINCENT POOR, PRINCETON UNIVERSITY

  9. E cient Retiming of Large Circuits Naresh Maheshwari, Student Member, IEEE, and Sachin Sapatnekar, Member, IEEE

    E-Print Network [OSTI]

    Sapatnekar, Sachin

    , Member, IEEE Abstract| Retiming, introduced by Leiserson and Saxe, is a powerful transformation1 E cient Retiming of Large Circuits Naresh Maheshwari, Student Member, IEEE, and Sachin Sapatnekar not capable of handling large circuits in a reasonable time. This work de nes the relationship be- tween

  10. IEEE Wireless Communications December 20022 1070-9916/02/$17.00 2002 IEEE SMART HOMES

    E-Print Network [OSTI]

    Holder, Lawrence B.

    IEEE Wireless Communications ∑ December 20022 1070-9916/02/$17.00 © 2002 IEEE Agent A SMART HOMES INTRODUCTION The MavHome smart home project is a multidis- ciplinary research project at the University inhabitants. In particular, a smart home agent must be able to accurately predict mobility and other

  11. Security Games for Vehicular Networks Tansu Alpcan, Member, IEEE, and Sonja Buchegger, Member, IEEE

    E-Print Network [OSTI]

    Chen, Ing-Ray

    . The effectiveness of the security game solutions is evaluated numerically using realistic simulation data obtainedSecurity Games for Vehicular Networks Tansu Alpcan, Member, IEEE, and Sonja Buchegger, Member, IEEE Abstract--Vehicular networks (VANETs) can be used to improve transportation security, reliability

  12. Quantum state fusion in photons

    E-Print Network [OSTI]

    Chiara Vitelli; NicolÚ Spagnolo; Lorenzo Aparo; Fabio Sciarrino; Enrico Santamato; Lorenzo Marrucci

    2012-09-17T23:59:59.000Z

    Photons are the ideal carriers of quantum information for communication. Each photon can have a single qubit or even multiple qubits encoded in its internal quantum state, as defined by optical degrees of freedom such as polarization, wavelength, transverse modes, etc. Here, we propose and experimentally demonstrate a physical process, named "quantum state fusion", in which the two-dimensional quantum states (qubits) of two input photons are combined into a single output photon, within a four-dimensional quantum space. The inverse process is also proposed, in which the four-dimensional quantum state of a single photon is split into two photons, each carrying a qubit. Both processes can be iterated, and hence may be used to bridge multi-particle protocols of quantum information with the multi-degree-of-freedom ones, with possible applications in quantum communication networks.

  13. Video Library | Advanced Photon Source

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    APS Brochure Annual Reports Posters Podcasts Image Gallery external site Video Library Syndicated Feeds (RSS) Now Playing: The Advanced Photon Source More videos: Building...

  14. Video Library | Advanced Photon Source

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    APS Brochure Annual Reports Posters Podcasts Image Gallery external site Video Library Syndicated Feeds (RSS) Featured Videos: Introduction to the Advanced Photon Source...

  15. Video Library | Advanced Photon Source

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Video Library Related Links: APS Colloquium APS Podcasts APS Today More videos: Introduction to the APS Physics of the Blues Now Playing: Building the Advanced Photon Source This...

  16. Randal E. Bryant 1974--1981 Massachusetts Institute of Technology, Department of Electrical Engineering and Com

    E-Print Network [OSTI]

    Treuille, Adrien

    Randal E. Bryant Education 1974--1981 Massachusetts Institute of Technology, Department Publications 1. R. E. Bryant, ``Graph­Based Algorithms for Boolean Function Manipulation,'' IEEE Transactions fundamental data structures that came out in the last twenty­five years.'' 2. R. E. Bryant, ``Symbolic Boolean

  17. Randal E. Bryant 19741981 Massachusetts Institute of Technology, Department of Electrical Engineering and Com-

    E-Print Network [OSTI]

    Randal E. Bryant Education 1974­1981 Massachusetts Institute of Technology, Department Publications 1. R. E. Bryant, "Graph-Based Algorithms for Boolean Function Manipulation," IEEE Transactions data structures that came out in the last twenty-five years." 2. R. E. Bryant, "Symbolic Boolean

  18. Photon Source Parameters

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeeding accessPeptoid NanosheetsStudying thePhotoinduced electronPhoton

  19. Photon Source Parameters

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeeding accessPeptoid NanosheetsStudying thePhotoinducedPhoton Source

  20. Proceedings of the Fourth IEEE International Conference on Data Mining (ICDM'04) 0-7695-2142-8/04 $ 20.00 IEEE

    E-Print Network [OSTI]

    Li, Tao

    Proceedings of the Fourth IEEE International Conference on Data Mining (ICDM'04) 0. Restrictions apply. #12;Proceedings of the Fourth IEEE International Conference on Data Mining (ICDM'04) 0 29,2010 at 01:30:56 UTC from IEEE Xplore. Restrictions apply. #12;Proceedings of the Fourth IEEE

  1. Single photon absorption by a single atom: from heralded absorption to polarization state mapping

    E-Print Network [OSTI]

    Nicolas Piro; JŁrgen Eschner

    2015-02-19T23:59:59.000Z

    Together with photon emission, the absorption of a single photon by a single atom is a fundamental process in matter-light interaction that manifests its quantum mechanical nature. As an experimentally controlled process, it is a key tool for the realization of quantum technologies. In particular, in an atom/photon based quantum network scenario, in which localized atomic particles are used as quantum information processing nodes while photons are used as carriers of quantum information between distant nodes, controlling both emission and absorption of single photons by single atoms is required for quantum coherent state mapping between the two entities. Most experimental efforts to date have focused on establishing the control of single photon emission by single trapped atoms, and the implementation of quantum networking protocols using this interaction. In this chapter, we describe experimental efforts to control the process of single photon absorption by single trapped ions. We describe a series of experiments in which polarization entangled photon pairs, generated by a spontaneous parametric down-conversion source, are coupled to a single ion. First the source is operated to generate heralded single photons, and coincidences between the absorption event of one photon of the pair and the detection of the heralding partner photon are observed. We then show how polarization control in the process is established, leading to the manifestation of the photonic polarization entanglement in the absorption process. Finally, we introduce protocols in which this interaction scheme is harnessed to perform tasks in a quantum network, such as entanglement distribution among distant nodes of the network, and we demonstrate a specific protocol for heralded, high-fidelity photon-to-atom quantum state transfer.

  2. PHOTONICS and DEVICE MICROFABRICATION

    E-Print Network [OSTI]

    Mottram, Nigel

    in the University. Our key objective is to bridge the gap between academic research and industrial application that are in demand in the semiconductor and optoelectronics industries and other high- technology manufacturing

  3. Broadband terahertz photonics

    E-Print Network [OSTI]

    Burghoff, David Patrick

    2014-01-01T23:59:59.000Z

    In recent years, quantum cascade lasers have emerged as mature semiconductor sources of light in the terahertz range, the frequency range spanning 1 to 10 THz. Though technological development has pushed their operating ...

  4. On-chip quantum interference between silicon photon-pair sources

    E-Print Network [OSTI]

    Joshua W. Silverstone; Damien Bonneau; Kazuya Ohira; Nob Suzuki; Haruhiko Yoshida; Norio Iizuka; Mizunori Ezaki; Chandra M. Natarajan; Michael G. Tanner; Robert H. Hadfield; Val Zwiller; Graham D. Marshall; John G. Rarity; Jeremy L. O'Brien; Mark G. Thompson

    2014-11-20T23:59:59.000Z

    Large-scale integrated quantum photonic technologies will require the on-chip integration of identical photon sources with reconfigurable waveguide circuits. Relatively complex quantum circuits have already been demonstrated, but few studies acknowledge the pressing need to integrate photon sources and waveguide circuits together on-chip. A key step towards such large-scale quantum technologies is the integration of just two individual photon sources within a waveguide circuit, and the demonstration of high-visibility quantum interference between them. Here, we report a silicon-on-insulator device combining two four-wave mixing sources, in an interferometer with a reconfigurable phase shifter. We configure the device to create and manipulate two-colour (non-degenerate) or same-colour (degenerate), path-entangled or path-unentangled photon pairs. We observe up to 100.0+/-0.4% visibility quantum interference on-chip, and up to 95+/-4% off-chip. Our device removes the need for external photon sources, provides a path to increasing the complexity of quantum photonic circuits, and is a first step towards fully-integrated quantum technologies.

  5. Local Heating of Discrete Droplets Using Magnetic Porous Silicon-Based Photonic Crystals

    E-Print Network [OSTI]

    Bhatia, Sangeeta

    Local Heating of Discrete Droplets Using Magnetic Porous Silicon-Based Photonic Crystals Ji-Ho Park and Technology (HarVard-MIT) and Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology, 77 Massachusetts AVenue, Building E19-502d, Cambridge, Massachusetts 02139 Received

  6. Driving Sensing Technology in Oil & Gas | GE Global Research

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    a bit more about Bill's work. Bill joined GE Global Research in 2010. For the past four years his emphasis has been on developing advanced photonics technologies for multiple GE...

  7. Collimator-free photon tomography

    DOE Patents [OSTI]

    Dilmanian, F. Avraham (Yaphank, NY); Barbour, Randall L. (Westbury, NY)

    1998-10-06T23:59:59.000Z

    A method of uncollimated single photon emission computed tomography includes administering a radioisotope to a patient for producing gamma ray photons from a source inside the patient. Emissivity of the photons is measured externally of the patient with an uncollimated gamma camera at a plurality of measurement positions surrounding the patient for obtaining corresponding energy spectrums thereat. Photon emissivity at the plurality of measurement positions is predicted using an initial prediction of an image of the source. The predicted and measured photon emissivities are compared to obtain differences therebetween. Prediction and comparison is iterated by updating the image prediction until the differences are below a threshold for obtaining a final prediction of the source image.

  8. Collimator-free photon tomography

    DOE Patents [OSTI]

    Dilmanian, F.A.; Barbour, R.L.

    1998-10-06T23:59:59.000Z

    A method of uncollimated single photon emission computed tomography includes administering a radioisotope to a patient for producing gamma ray photons from a source inside the patient. Emissivity of the photons is measured externally of the patient with an uncollimated gamma camera at a plurality of measurement positions surrounding the patient for obtaining corresponding energy spectrums thereat. Photon emissivity at the plurality of measurement positions is predicted using an initial prediction of an image of the source. The predicted and measured photon emissivities are compared to obtain differences therebetween. Prediction and comparison is iterated by updating the image prediction until the differences are below a threshold for obtaining a final prediction of the source image. 6 figs.

  9. Sufficient bound on the mode mismatch of single photons for scalability of the boson sampling computer

    E-Print Network [OSTI]

    Valery Shchesnovich

    2014-12-02T23:59:59.000Z

    The boson sampler proposed by Aaronson and Arkhipov is a non-universal quantum computer, which can serve as evidence against the extended Church-Turing thesis. It samples the probability distribution at the output of linear unitary optical network, with indistinguishable single photons at the input. Four experimental groups have already tested their small-scale prototypes with up to four photons. The boson sampler with few dozens of single photons is believed to be hard to simulate on a classical computer. For scalability of a realistic boson sampler with current technology it is necessary to know the effect of the photon mode mismatch on its operation. Here a nondeterministic model of the boson sampler is analyzed, which employs partially indistinguishable single photons emitted by identical sources. A sufficient condition on the average mutual fidelity $ \\langle \\mathcal{F}\\rangle$ of the single photons is found, which guarantees that the realistic boson sampler outperforms the classical computer. Moreover, the boson sampler computer with partially indistinguishable single photons is scalable while being beyond the power of classical computers when the single photon mode mismatch $1-\\langle \\mathcal{F}\\rangle$ scales as $ \\mathcal{O}(N^{-3/2})$ with the total number of photons $N$.

  10. Photon enhanced thermionic emission

    DOE Patents [OSTI]

    Schwede, Jared; Melosh, Nicholas; Shen, Zhixun

    2014-10-07T23:59:59.000Z

    Photon Enhanced Thermionic Emission (PETE) is exploited to provide improved efficiency for radiant energy conversion. A hot (greater than 200.degree. C.) semiconductor cathode is illuminated such that it emits electrons. Because the cathode is hot, significantly more electrons are emitted than would be emitted from a room temperature (or colder) cathode under the same illumination conditions. As a result of this increased electron emission, the energy conversion efficiency can be significantly increased relative to a conventional photovoltaic device. In PETE, the cathode electrons can be (and typically are) thermalized with respect to the cathode. As a result, PETE does not rely on emission of non-thermalized electrons, and is significantly easier to implement than hot-carrier emission approaches.

  11. Measurement of photon correlations with multipixel photon counters

    E-Print Network [OSTI]

    Dmitry Kalashnikov; Leonid A. Krivitsky

    2014-08-01T23:59:59.000Z

    Development of reliable photon number resolving detectors (PNRD), devices which are capable to distinguish 1,2,3.. photons, is of a great importance for quantum optics and its applications. A new class of affordable PNRD is based on multipixel photon counters (MPPC). Here we review results of experiments on using MPPCs for direct characterization of squeezed vacuum (SV) states, generated via parametric downconversion (PDC). We use MPPCs to measure the second order normalized intensity correlation function (g^(2)) and directly detect the two-mode squeezing of SV states. We also present a method of calibration of crosstalk probability in MPPCs based on g^(2) measurements of coherent states.

  12. Stimulated emission of two photons in parametric amplification and its interpretation as multi-photon interference

    E-Print Network [OSTI]

    F. W. Sun; B. H. Liu; Y. X. Gong; Y. F. Huang; Z. Y. Ou; G. C. Guo

    2007-02-06T23:59:59.000Z

    Stimulated emission of two photons is observed experimentally in the parametric amplification process and is compared to a three-photon interference scheme. We find that the underlying physics of stimulated emission is simply the constructive interference due to photon indistinguishability. So the observed signal enhancement upon the input of photons is a result of multi-photon interference of the input photons and the otherwise spontaneously emitted photon from the amplifier.

  13. Photonic Design: From Fundamental Solar Cell Physics to Computational Inverse Design

    E-Print Network [OSTI]

    Miller, Owen D

    2013-01-01T23:59:59.000Z

    Photonic innovation is becoming ever more important in the modern world. Optical systems are dominating shorter and shorter communications distances, LED's are rapidly emerging for a variety of applications, and solar cells show potential to be a mainstream technology in the energy space. The need for novel, energy-efficient photonic and optoelectronic devices will only increase. This work unites fundamental physics and a novel computational inverse design approach towards such innovation. The first half of the dissertation is devoted to the physics of high-efficiency solar cells. As solar cells approach fundamental efficiency limits, their internal physics transforms. Photonic considerations, instead of electronic ones, are the key to reaching the highest voltages and efficiencies. Proper photon management led to Alta Device's recent dramatic increase of the solar cell efficiency record to 28.3%. Moreover, approaching the Shockley-Queisser limit for any solar cell technology will require light extraction to ...

  14. Multiple intrinsically identical single photon emitters in the solid-state

    E-Print Network [OSTI]

    Lachlan J. Rogers; Kay D. Jahnke; T. Teraji; Luca Marseglia; Christoph. MŁller; Boris Naydenov; Hardy Schauffert; C. Kranz; Junichi Isoya; Liam P. McGuinness; Fedor Jelezko

    2014-06-05T23:59:59.000Z

    Emitters of indistinguishable single photons are crucial for the growing field of quantum technologies. To realize scalability and increase the complexity of quantum optics technologies, multiple independent yet identical single photon emitters are also required. However typical solid-state single photon sources are inherently dissimilar, necessitating the use of electrical feedback or optical cavities to improve spectral overlap between distinct emitters. Here, we demonstrate bright silicon-vacancy (SiV-) centres in low-strain bulk diamond which intrinsically show spectral overlap of up to 91% and near transform-limited excitation linewidths. Our results have impact upon the application of single photon sources for quantum optics and cryptography, and the production of next generation fluorophores for bio-imaging.

  15. Manufacturing method of photonic crystal

    DOE Patents [OSTI]

    Park, In Sung; Lee, Tae Ho; Ahn, Jin Ho; Biswas, Rana; Constant, Kristen P.; Ho, Kai-Ming; Lee, Jae-Hwang

    2013-01-29T23:59:59.000Z

    A manufacturing method of a photonic crystal is provided. In the method, a high-refractive-index material is conformally deposited on an exposed portion of a periodic template composed of a low-refractive-index material by an atomic layer deposition process so that a difference in refractive indices or dielectric constants between the template and adjacent air becomes greater, which makes it possible to form a three-dimensional photonic crystal having a superior photonic bandgap. Herein, the three-dimensional structure may be prepared by a layer-by-layer method.

  16. Photon-photon gates in Bose-Einstein condensates

    E-Print Network [OSTI]

    Arnaud Rispe; Bing He; Christoph Simon

    2010-09-30T23:59:59.000Z

    It has recently been shown that light can be stored in Bose-Einstein condensates for over a second. Here we propose a method for realizing a controlled phase gate between two stored photons. The photons are both stored in the ground state of the effective trapping potential inside the condensate. The collision-induced interaction is enhanced by adiabatically increasing the trapping frequency and by using a Feshbach resonance. A controlled phase shift of $\\pi$ can be achieved in one second.

  17. IEEE TRANSACTIONS ON AUTOMATION SCIENCE AND ENGINEERING 1 A Survey of Research on

    E-Print Network [OSTI]

    Abbeel, Pieter

    IEEE TRANSACTIONS ON AUTOMATION SCIENCE AND ENGINEERING 1 A Survey of Research on Cloud Robotics and Automation Ben Kehoe Student Member, IEEE, Sachin Patil Member, IEEE, Pieter Abbeel Senior Member, IEEE, Ken-accessible resources, has potential to provide significant benefits to robots and automation systems. This survey

  18. IEEE JOURNAL OF OCEANIC ENGINEERING 1 Controlling Buoyancy-Driven Profiling Floats

    E-Print Network [OSTI]

    Smith, Ryan N.

    IEEE JOURNAL OF OCEANIC ENGINEERING 1 Controlling Buoyancy-Driven Profiling Floats for Applications, 2013 DRAFT #12;IEEE JOURNAL OF OCEANIC ENGINEERING 2 most famous example of a profiling float in Ocean Observation Ryan N. Smith, Member, IEEE and Van T. Huynh, Student Member, IEEE Abstract

  19. 248 IEEE TRANSACTIONS ON MULTIMEDIA, VOL. 4, NO. 2, JUNE 2002 Principles of Schema Design for

    E-Print Network [OSTI]

    Gupta, Amarnath

    for Multimedia Databases Simone Santini, Member, IEEE, and Amarnath Gupta Abstract--This paper presents

  20. Ultrafast Optical Switching Using Photonic Molecules in Photonic Crystal Waveguides

    E-Print Network [OSTI]

    Zhao, Yanhui; Qiu, Kangsheng; Gao, Yunan; Xu, Xiulai

    2015-01-01T23:59:59.000Z

    We study the coupling between photonic molecules and waveguides in photonic crystal slab structures using finite-difference time-domain method and coupled mode theory. In a photonic molecule with two cavities, the coupling of cavity modes results in two super-modes with symmetric and anti-symmetric field distributions. When two super-modes are excited simultaneously, the energy of electric field oscillates between the two cavities. To excite and probe the energy oscillation, we integrate photonic molecule with two photonic crystal waveguides. In coupled structure, we find that the quality factors of two super-modes might be different because of different field distributions of super-modes. After optimizing the radii of air holes between two cavities of photonic molecule, nearly equal quality factors of two super-modes are achieved, and coupling strengths between the waveguide modes and two super-modes are almost the same. In this case, complete energy oscillations between two cavities can be obtained with a p...

  1. Photon noise limited radiation detection with lens-antenna coupled Microwave Kinetic Inductance Detectors

    E-Print Network [OSTI]

    Yates, S J C; Endo, A; Janssen, R M J; Ferrari, L; Diener, P; Baryshev, A M

    2011-01-01T23:59:59.000Z

    Microwave Kinetic Inductance Detectors (MKIDs) have shown great potential for sub-mm instrumentation because of the high scalability of the technology. Here we demonstrate for the first time in the sub-mm band (0.1...2 mm) a photon noise limited performance of a small antenna coupled MKID detector array and we describe the relation between photon noise and MKID intrinsic generation-recombination noise. Additionally we use the observed photon noise to measure the optical efficiency of detectors to be 0.8+-0.2.

  2. Probing the BCS-BEC crossover with photons in a nonlinear optical fiber

    E-Print Network [OSTI]

    Mingxia Huo; Changsuk Noh; B. M. RodrŪguez-Lara; Dimitris G. Angelakis

    2011-06-24T23:59:59.000Z

    We propose a scheme where strongly correlated photons generated inside a hollow-core one-dimensional fiber filled with two cold atomic species can be used to simulate the BCS-BEC crossover. We first show how stationary light-matter excitations (polaritons) in the system can realize an optically tunable two component Bose-Hubbard model, and then analyze the optical parameters regime necessary to generate an effective Fermi-Hubbard model of photons exhibiting Cooper pairing. The characteristic correlated phases of the system can be efficiently observed due to the {\\it in situ} accessibility of the photon correlations with standard optical technology.

  3. Broad Band Photon Harvesting Biomolecules for Photovoltaics

    E-Print Network [OSTI]

    P. Meredith; B. J. Powell; J. Riesz; R. Vogel; D. Blake; I. Kartini; G. Will; S. Subianto

    2004-06-04T23:59:59.000Z

    We discuss the key principles of artificial photosynthesis for photovoltaic energy conversion. We demonstrate these principles by examining the operation of the so-called "dye sensitized solar cell" (DSSC) - a photoelectrochemical device which simulates the charge separation process across a nano-structured membrane that is characteristic of natural systems. These type of devices have great potential to challenge silicon semiconductor technology in the low cost, medium efficiency segment of the PV market. Ruthenium charge transfer complexes are currently used as the photon harvesting components in DSSCs. They produce a relatively broad band UV and visible response, but have long term stability problems and are expensive to manufacture. We suggest that a class of biological macromolecules called the melanins may be suitable replacements for the ruthenium complexes. They have strong, broad band absorption, are chemically and photochemically very stable, can be cheaply and easily synthesized, and are also bio-available and bio-compatible. We demonstrate a melanin-based regenerative solar cell, and discuss the key properties that are necessary for an effective broad band photon harvesting system.

  4. Photonic Quantum Networks formed from NV- Centers

    E-Print Network [OSTI]

    Kae Nemoto; M. Trupke; S. J. Devitt; B. Scharfenberger; K. Buczak; J. Schmiedmayer; W. J. Munro

    2014-12-18T23:59:59.000Z

    In this article we present a simple repeater scheme based on the negatively-charged nitrogen vacancy centre in diamond (NV-). Each repeater node is built from simple modules comprising an optical cavity containing a single NV-, with one nuclear spin from 15N as quantum memory. The operation in the module only uses deterministic processes and interactions and achieves high fidelity (>99%) operation, and modules are connected by optical fiber. In the repeater node architecture, the processes between modules by photons can be in principle deterministic, however current limitations on optical components lead to the processes to be probabilistic but heralded. The most resource modest repeater architecture contains at least two modules at each node, and the repeater nodes are than connected by telecom wavelength entangled photon pairs. We discuss the performance of quantum repeaters starting from the minimum-resource strategy with several modules (~10) and then incorporating more resource-intense strategies step by step. Our architecture enables large-scale quantum information networks with existing technology.

  5. The College of Optics & Photonics The College of Optics and Photonics

    E-Print Network [OSTI]

    Van Stryland, Eric

    CREOL The College of Optics & Photonics The College of Optics and Photonics #12;CREOL The College of Optics & Photonics CREOLThe College of Optics and Photonics Industrial Affiliates Day 2010 #12;CREOL The College of Optics & Photonics Prof. William T. Rhodes Department of Comp & Elect Engrng & Comp Science

  6. Polarization manipulation in silicon photonics

    E-Print Network [OSTI]

    Su, Zhan, S.M. Massachusetts Institute of Technology

    2013-01-01T23:59:59.000Z

    Silicon photonics is moving fast toward industrialization. It satisfies the increasing demand for higher speed, larger bandwidth communication. Thus it has a wide range of applications including high-performance computing, ...

  7. Generalized binomial distribution in photon statistics

    E-Print Network [OSTI]

    Aleksey Ilyin

    2014-11-20T23:59:59.000Z

    The photon-number distribution between two parts of a given volume is found for an arbitrary photon statistics. This problem is related to the interaction of a light beam with a macroscopic device, for example a diaphragm, that separates the photon flux into two parts with known probabilities. To solve this problem, a Generalized Binomial Distribution (GBD) is derived that is applicable to an arbitrary photon statistics satisfying probability convolution equations. It is shown that if photons obey Poisson statistics then the GBD is reduced to the ordinary binomial distribution, whereas in the case of Bose-Einstein statistics the GBD is reduced to the Polya distribution. In this case, the photon spatial distribution depends on the phase-space volume occupied by the photons. This result involves a photon bunching effect, or collective behavior of photons that sharply differs from the behavior of classical particles. It is shown that the photon bunching effect looks similar to the quantum interference effect.

  8. IEEE Transactions on Vehicular Technology CALL FOR PAPERS

    E-Print Network [OSTI]

    Fang, Yuguang "Michael"

    , circuit, and system level issues for energy storage, power electronics, and electromechanical energy drive-cycle effects ∑ Fault-tolerant control of electromechanical energy convertors ∑ Reliability power systems ∑ Parameterization, monitoring, and estimation of energy storage unit capacity and service

  9. Photon rockets and gravitational radiation

    E-Print Network [OSTI]

    T. Damour

    1994-12-21T23:59:59.000Z

    The absence of gravitational radiation in Kinnersley's ``photon rocket'' solution of Einstein's equations is clarified by studying the mathematically well-defined problem of point-like photon rockets in Minkowski space (i.e. massive particles emitting null fluid anisotro\\-pically and accelerating because of the recoil). We explicitly compute the (uniquely defined) {\\it linearized} retarded gravitational waves emitted by such objects, which are the coherent superposition of the gravitational waves generated by the motion of the massive point-like rocket and of those generated by the energy-momentum distribution of the photon fluid. In the special case (corresponding to Kinnersley's solution) where the anisotropy of the photon emission is purely dipolar we find that the gravitational wave amplitude generated by the energy-momentum of the photons exactly cancels the usual $1/r$ gravitational wave amplitude generated by the accelerated motion of the rocket. More general photon anisotropies would, however, generate genuine gravitational radiation at infinity. Our explicit calculations show the compatibility between the non-radiative character of Kinnersley's solution and the currently used gravitational wave generation formalisms based on post-Minkowskian perturbation theory.

  10. IEEE Wireless Communications December 200778 1536-1284/07/$20.00 2007 IEEE technologies

    E-Print Network [OSTI]

    Liu, Yunhao

    of China. Safety threats in the mining industry. Stimu- lated by the rapid economic development, the demand for energy, such as gas, oil, and coal, has been increasing more than ever. Therefore, the coal mining industry flourishes, and coal mines have spread widely throughout China today. However, many coal mines

  11. 20 IEEE power & energy magazine july/august 20061540-7977/06/$20.002006 IEEE july/august 2006 IEEE power & energy magazine 21

    E-Print Network [OSTI]

    Leung, Ka-Cheong

    more. China's primary energy depends largely on coal. The coun- try's breakdown of primary energy- ment is used for generating elec- tricity. The other major consumptions of coal include some energy20 IEEE power & energy magazine july/august 20061540-7977/06/$20.00©2006 IEEE #12;A july

  12. 2013 IEEE International Symposium on Biomedical Imaging: From...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    2013 IEEE International Symposium on Biomedical Imaging: From Nano to Macro http:www.biomedicalimaging.org2013 April 7-11, 2013; San Francisco, CA, USA...

  13. Proceedingsof the 37th IEEE Conferenceon Decision & Control

    E-Print Network [OSTI]

    Tatikonda, Sekhar

    with zero mean and variance Kw, A E Edxd,B E Rdxmand (A,B) is controllable. 0-7803-4394-8198$10.0001998 IEEE

  14. Future of Distributed Generation and IEEE 1547 (Presentation)

    SciTech Connect (OSTI)

    Preus, R.

    2014-06-01T23:59:59.000Z

    This presentation discusses the background on IEEE 1547, including its purpose, changes, new boundary issues and requirements, islanding issues, and how it impacts distributed wind.

  15. Sandia Energy - Sandia Participation in the 39th IEEE Photovoltaic...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Participation in the 39th IEEE Photovoltaic Specialists (PVSC) Conference Home Renewable Energy Energy DETL Facilities Grid Integration News Distribution Grid Integration News &...

  16. Supplemental Material of "Collaborative Mobile Sheng Zhang, Student Member, IEEE, Jie Wu, Fellow, IEEE, and Sanglu Lu, Member, IEEE

    E-Print Network [OSTI]

    Wu, Jie

    by induction on M. When M = 1 or M = 2, we can prove SolelyCharge is optimal using a similar method1 Supplemental Material of "Collaborative Mobile Charging" Sheng Zhang, Student Member, IEEE, Jie a sufficiently large WSN (X, Y, B, T) and a charging model (P, c, v, 1, 2), which satisfy conditions K1K2K3

  17. 12 November 2009 Technology and Applications for

    E-Print Network [OSTI]

    Coldren, Larry A.

    ,896,325 (January 1990) 13dBm 16dBm 19dBm FIBER POWER 192 193 194 195 196 Channel Frequency (THz) 45 50 55SMSR (d / channel ≠ Total capacity: 640 Gbps ≠ Error-free operation ∑ Photonic integration technologies designed Waveguide Substrate Air InP:Zn Cladding Waveguide QWs + Barriers Waveguide #12;12 November 2009 Rib

  18. Technology and market analysis of standard electronic photonic package

    E-Print Network [OSTI]

    Abdi, Fatwa Firdaus

    2006-01-01T23:59:59.000Z

    Electronic industry will suffer a major turn around in the near future. The current infrastructure will no longer be able to support the increasing data rates. All the disadvantages of copper as current legacy are amplified ...

  19. PHOTONIC TEXTILES: OVERVIEW OF THE TECHNOLOGY, APPLICATIONS AND COMMERCIALISATION

    E-Print Network [OSTI]

    Skorobogatiy, Maksim

    colorant for automotive and industrial coatings that show multiple rainbow colors as the viewing angle changes. It is based on microscopic aluminum flakes layered with glass and inorganic pigments. The combination of SpectraFlair's rainbow-like color, aluminum core, and fine particle size creates an iridescent

  20. High precision photon flux determination for photon tagging experiments

    SciTech Connect (OSTI)

    Teymurazyan, A.; Ahmidouch, A.; Ambrozewicz, P.; Asratyan, A.; Baker, K.; Benton, L.; Burkert, V.; Clinton, E.; Cole, P.; Collins, P.; Dale, D.; Danagoulian, S.; Davidenko, G.; Demirchyan, R.; Deur, A.; Dolgolenko, A.; Dzyubenko, G.; Ent, R.; Evdokimov, A.; Feng, J.; Gabrielyan, M.; Gan, L.; Gasparian, A.; Glamazdin, A.; Goryachev, V.; Hardy, K.; He, J.; Ito, M.; Jiang, L.; Kashy, D.; Khandaker, M.; Kolarkar, A.; Konchatnyi, M.; Korchin, A.; Korsch, W.; Kosinov, O.; Kowalski, S.; Kubantsev, M.; Kubarovsky, V.; Larin, I.; Lawrence, D.; Li, X.; Martel, P.; Matveev, V.; McNulty, D.; Mecking, B.; Milbrath, B.; Minehart, R.; Miskimen, R.; Mochalov, V.; Nakagawa, I.; Overby, S.; Pasyuk, E.; Payen, M.; Pedroni, R.; Prok, Y.; Ritchie, B.; Salgado, C.; Shahinyan, A.; Sitnikov, A.; Sober, D.; Stepanyan, S.; Stevens, W.; Underwood, J.; Vasiliev, A.; Vishnyakov, V.; Wood, M.; Zhou, S.

    2014-07-01T23:59:59.000Z

    The Jefferson Laboratory PrimEx Collaboration has developed and implemented a method to control the tagged photon flux in photoproduction experiments at the 1% level over the photon energy range from 4.9 to 5.5 GeV. This method has been successfully implemented in a high precision measurement of the neutral pion lifetime. Here, we outline the experimental equipment and the analysis techniques used to accomplish this. These include the use of a total absorption counter for absolute flux calibration, a pair spectrometer for online relative flux monitoring, and a new method for post-bremsstrahlung electron counting.

  1. The spinor field theory of the photon

    E-Print Network [OSTI]

    Ruo Peng Wang

    2011-09-18T23:59:59.000Z

    I introduce a spinor field theory for the photon. The three-dimensional vector electromagnetic field and the four-dimensional vector potential are components of this spinor photon field. A spinor equation for the photon field is derived from Maxwell's equations,the relations between the electromagnetic field and the four-dimensional vector potential, and the Lorentz gauge condition. The covariant quantization of free photon field is done, and only transverse photons are obtained. The vacuum energy divergence does not occur in this theory. A covariant "positive frequency" condition is introduced for separating the photon field from its complex conjugate in the presence of the electric current and charge.

  2. Apparatus for photon activation positron annihilation analysis

    DOE Patents [OSTI]

    Akers, Douglas W. (Idaho Falls, ID)

    2007-06-12T23:59:59.000Z

    Non-destructive testing apparatus according to one embodiment of the invention comprises a photon source. The photon source produces photons having predetermined energies and directs the photons toward a specimen being tested. The photons from the photon source result in the creation of positrons within the specimen being tested. A detector positioned adjacent the specimen being tested detects gamma rays produced by annihilation of positrons with electrons. A data processing system operatively associated with the detector produces output data indicative of a lattice characteristic of the specimen being tested.

  3. 1750 IEEE JOURNAL OF SOLID-STATE CIRCUITS, VOL. 38, NO. 10, OCTOBER 2003 A Low-Power Wide Dynamic Range Envelope Detector

    E-Print Network [OSTI]

    Sarpeshkar, Rahul

    Range Envelope Detector Serhii M. Zhak, Michael W. Baker, and Rahul Sarpeshkar, Member, IEEE Abstract--We report a 75-dB 2.8- W 100-Hz≠10-kHz envelope detector in a 1.5- m 2.8-V CMOS technology. The envelope due to thermal noise rectification limits. A novel circuit topology is used to perform 140-nW peak

  4. IEEE Energy2030 Atlanta, Georgia, USA

    E-Print Network [OSTI]

    Ratnasamy, Sylvia

    an innovative electric power architecture, rooted in lessons learned from the Internet and microgrids, whichIEEE Energy2030 Atlanta, Georgia, USA 17-18 November 2008 An Architecture for Local Energy-disruptive incremental adoption. Such a system, which we term a "LoCal" grid, is controlled by intelligent power switches

  5. Photonic Systems | The Ames Laboratory

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeeding accessPeptoid NanosheetsStudying thePhotoinducedPhotonPhotonic

  6. DESIGNER INTEGRATION IN TRAINING CYCLES : IEEE LTSA MODEL ADAPTATION

    E-Print Network [OSTI]

    Boyer, Edmond

    DESIGNER INTEGRATION IN TRAINING CYCLES : IEEE LTSA MODEL ADAPTATION Alain Corbière & Chistophe as the distance learning platform architectures such as IEEE LTSA (Learning and Training System Architecture of the course's progression. It is based on the LTSA architectural model and the studies on the Learning Object

  7. Designing manycore processor networks using silicon photonics

    E-Print Network [OSTI]

    Stojanovic, Vladimir Marko

    We present a vertical integration approach for designing silicon photonic networks for communication in manycore systems. Using a top-down approach we project the photonic device requirements for a 64-tile system designed ...

  8. Fast scanning two-photon microscopy

    E-Print Network [OSTI]

    Chang, Jeremy T

    2010-01-01T23:59:59.000Z

    Fast scanning two-photon microscopy coupled with the use light activated ion channels provides the basis for fast imaging and stimulation in the characterization of in vivo neural networks. A two-photon microscope capable ...

  9. Coherent control of single photon states

    E-Print Network [OSTI]

    G. J. Milburn

    2007-02-12T23:59:59.000Z

    We define a class of multi-mode single photon states suitable for quantum information applications. We show how standard amplitude modulation techniques may be used to control the pulse shape of single photon states.

  10. Department of Engineering Technology Technology Education

    E-Print Network [OSTI]

    Bieber, Michael

    Department of Engineering Technology Technology Education A Teacher Education Program New Jersey Institute of Technology #12;WHAT WILL YOU LEARN? Technology teachers teach problem-based learning utilizing math, science and technology principles. Technological studies involve students: ∑ Designing

  11. Method to fabricate a tilted logpile photonic crystal

    DOE Patents [OSTI]

    Williams, John D. (Albuquerque, NM); Sweatt, William C. (Albuquerque, NM)

    2010-10-26T23:59:59.000Z

    A method to fabricate a tilted logpile photonic crystal requires only two lithographic exposures and does not require mask repositioning between exposures. The mask and photoresist-coated substrate are spaced a fixed and constant distance apart using a spacer and the stack is clamped together. The stack is then tilted at a crystallographic symmetry angle (e.g., 45 degrees) relative to the X-ray beam and rotated about the surface normal until the mask is aligned with the X-ray beam. The stack is then rotated in plane by a small stitching angle and exposed to the X-ray beam to pattern the first half of the structure. The stack is then rotated by 180.degree. about the normal and a second exposure patterns the remaining half of the structure. The method can use commercially available DXRL scanner technology and LIGA processes to fabricate large-area, high-quality tilted logpile photonic crystals.

  12. Coherent-feedback-induced photon blockade and optical bistability by an optomechanical controller

    E-Print Network [OSTI]

    Yu-Long Liu; Zhong-Peng Liu; Jing Zhang; Yu-xi Liu

    2014-07-11T23:59:59.000Z

    It is well-known that some nonlinear phenomena such as strong photon blockade are hard to be observed in optomechanical system with current experimental technology. Here, we present a coherent feedback control strategy in which a linear cavity is coherently controlled by an optomechanical controller in a feedback manner. The coherent feedback loop transfers and enhances quantum nonlinearity from the controller to the controlled cavity, which makes it possible to observe strong nonlinear effects in either linear cavity or optomechanical cavity. More interestingly, we find that the strong photon blockade under single-photon optomechanical weak coupling condition could be observed in the quantum regime. Additionally, the coherent feedback loop leads to two-photon and multiphoton tunnelings for the controlled linear cavity, which are also typical quantum nonlinear phenomenon. We hope that our work can give new perspectives in engineering nonlinear quantum phenomena.

  13. Multiplexed single-photon state preparation using a fibre-loop architecture

    E-Print Network [OSTI]

    Peter P. Rohde; L. G. Helt; M. J. Steel; Alexei Gilchrist

    2015-04-07T23:59:59.000Z

    Heralded spontaneous parametric down-conversion (SPDC) has become the mainstay for single-photon state preparation in present-day photonics experiments. Because they are heralded, in principle one knows when a single photon has been prepared. However, the heralding efficiencies in experimentally realistic SPDC sources are typically very low. To overcome this, multiplexing techniques have been proposed which employ a bank of SPDC sources in parallel, and route successfully heralded photons to the output, thereby effectively boosting the heralding efficiency. However, running a large bank of independent SPDC sources is costly and requires complex switching. We analyse a multiplexing technique based on time-bin encoding that allows the heralding efficiency of just a single SPDC source to be increased. The scheme is simple and experimentally viable using present-day technology. We analyse the operation of the scheme in terms of experimentally realistic considerations, such as losses, detector inefficiency, and pump-power.

  14. Distributed Energy Technology Characterization (Desiccant Technologies...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Characterization (Desiccant Technologies), January 2004 Distributed Energy Technology Characterization (Desiccant Technologies), January 2004 The purpose of this report is to...

  15. Photon and diphoton production, and k{sub T} Effects

    SciTech Connect (OSTI)

    Abbott, B.; D0 Collaboration

    1997-11-01T23:59:59.000Z

    Isolated photon production at the D0 experiment is reviewed and recent results on di-photon production are presented.

  16. IEEE Power and Energy Society General Meeting, July 2010, Minneapolis, MN USA c 2010 IEEE A cutset area concept for phasor monitoring

    E-Print Network [OSTI]

    Dobson, Ian

    IEEE Power and Energy Society General Meeting, July 2010, Minneapolis, MN USA c 2010 IEEE A cutset area concept for phasor monitoring Ian Dobson, Fellow IEEE ECE Department University of Wisconsin together voltage angle phasor measurements at several buses to measure the angle stress across an area

  17. july/august 2005 IEEE power & energy magazine 491540-7977/05/$20.002005 IEEE SOUTH AMERICA IS FACING IMPORTANT CHALLENGES IN ELECTRICITY SUPPLY

    E-Print Network [OSTI]

    Catholic University of Chile (Universidad Catůlica de Chile)

    Brazil and Chile progress into a second stage of reforms with public power purchase agreement (PPAjuly/august 2005 IEEE power & energy magazine 491540-7977/05/$20.00©2005 IEEE S SOUTH AMERICA;50 IEEE power & energy magazine july/august 2005 Economic Growth and Energy Supply All developing

  18. To be published in IEEE Aerospace Conference Proceedings, 2003, Cat No. 0-7803-7651-X/03/$17.00 2003 IEEE Planar REDOX and Conductivity Sensors

    E-Print Network [OSTI]

    Kounaves, Samuel P.

    To be published in IEEE Aerospace Conference Proceedings, 2003, Cat No. 0-7803-7651-X/03 are AeroRedox2C14 - 1 #12;To be published in IEEE Aerospace Conference Proceedings, 2003, Cat No. 0. BIOGRAPHIES 1. INTRODUCTION This paper extends the work reported at last year's IEEE Aerospace conference

  19. Proceedings of the 2004 IEEE International Conference on Mobile Data Management (MDM'04) 0-7695-2070-7/04 $20.00 2004 IEEE

    E-Print Network [OSTI]

    Paris-Sud XI, Universitť de

    Proceedings of the 2004 IEEE International Conference on Mobile Data Management (MDM'04) 0 International Conference on Mobile Data Management : MDM 2004 (2004) 224-235" #12;Proceedings of the 2004 IEEE,version1-10Sep2009 #12;Proceedings of the 2004 IEEE International Conference on Mobile Data Management

  20. IEEE Robotics and Automation Society announces a new Publication: The IEEE Transactions on Automation Science and Engineering (T-ASE)

    E-Print Network [OSTI]

    O'Brien, James F.

    IEEE Robotics and Automation Society announces a new Publication: The IEEE Transactions on Automation Science and Engineering (T-ASE) February 2003: First Issue to appear in mid 2004. Executive Summary Automation plays an increasingly important role in the global economy and in our daily lives

  1. 32 IEEE power & energy magazine september/october 20031540-7977/03/$17.002003 IEEE Active power filters

    E-Print Network [OSTI]

    Catholic University of Chile (Universidad Católica de Chile)

    32 IEEE power & energy magazine september/october 20031540-7977/03/$17.00©2003 IEEE Active power filters as a solution to power quality problems in distribution networks By Hugh Rudnick, Juan Dixon and Luis Morán ©CORBISSTOCKMARKET.COM Delivering Cleanand PurePower #12;P POWER ELECTRONICS IN FACTS

  2. 22 IEEE power & energy magazine july/august 20081540-7977/08/$25.002008 IEEE ECONOMIC EFFICIENCY, ENERGY SECURITY, AND

    E-Print Network [OSTI]

    Catholic University of Chile (Universidad Catůlica de Chile)

    , ENERGY SECURITY, AND environmental sustainability are concerns that must be considered in any energy22 IEEE power & energy magazine july/august 20081540-7977/08/$25.00©2008 IEEE E ECONOMIC EFFICIENCY policy in any given country. These key aspects remain challenged currently in South America. High energy

  3. 44 IEEE ROBOTICS & AUTOMATION MAGAZINE SEPTEMBER 2011 1070-9932/11/$26.002011 IEEE A Hybrid Control Approach

    E-Print Network [OSTI]

    Del Vecchio, Domitilla

    44 · IEEE ROBOTICS & AUTOMATION MAGAZINE · SEPTEMBER 2011 1070-9932/11/$26.00ª2011 IEEE A Hybrid Control Approach I ntelligent transportation systems (ITS) for in-vehicle cooperative active safety, and ultimately take control of the vehicle to prevent an otherwise certain collision. Several initiatives

  4. Survey of Reactive Power Planning Methods Wenjuan Zhang, Student Member, IEEE, Leon M. Tolbert, Senior Member, IEEE

    E-Print Network [OSTI]

    Tolbert, Leon M.

    Survey of Reactive Power Planning Methods Wenjuan Zhang, Student Member, IEEE, Leon M. Tolbert, Senior Member, IEEE Abstract Reactive power planning (RPP) involves optimal allocation and determination to solve the RPP problem. Index Terms -- reactive power planning, reactive power optimization, optimal

  5. Copyright 2010 IEEE. Reprinted from Proceedings of the 2010 IEEE Power & Energy Society General Meeting, Minneapolis, MN, USA.

    E-Print Network [OSTI]

    Kemner, Ken

    . A majority of the wind power in the United States is sold on long-term power purchase agreements, which hedgeCopyright © 2010 IEEE. Reprinted from Proceedings of the 2010 IEEE Power & Energy Society;1 Abstract--This paper discusses risk management, contracting, and bidding for a wind power producer

  6. On-Road Vehicle Detection: A Review Zehang Sun, Member, IEEE, George Bebis, Member, IEEE, and Ronald Miller

    E-Print Network [OSTI]

    Bebis, George

    On-Road Vehicle Detection: A Review Zehang Sun, Member, IEEE, George Bebis, Member, IEEE about driving environments, and possible collision with other vehicles has attracted a lot of attention lately. In these systems, robust and reliable vehicle detection is a critical step. This paper presents

  7. IEEE Wireless Communications April 201390 1536-1284/13/$25.00 2013 IEEE NEXT GENERATION COGNITIVE CELLULAR NETWORKS

    E-Print Network [OSTI]

    Cheng, Xiuzhen "Susan"

    by centralized authorities (e.g., the Federal Communications Commission [FCC] in the United States) that allocateIEEE Wireless Communications ∑ April 201390 1536-1284/13/$25.00 © 2013 IEEE NEXT GENERATION communications. Based on the sensing results, CR users determine which spectrum band to use (spectrum decision

  8. IEEE TRANSACTIONS ON NANOTECHNOLOGY, VOL. 4, NO. 1, JANUARY 2005 1 THIS Special Issue contains papers from the 2004 IEEE

    E-Print Network [OSTI]

    Privman, Vladimir

    IEEE TRANSACTIONS ON NANOTECHNOLOGY, VOL. 4, NO. 1, JANUARY 2005 1 Foreword THIS Special Issue contains papers from the 2004 IEEE Nanotechnology Council (NTC) Quantum Device Tech- nology Workshop, which interests span broad areas of nanotechnology, including physics of semiconductor nanodevices, spintronics

  9. Optical Fibers Optics and Photonics

    E-Print Network [OSTI]

    Palffy-Muhoray, Peter

    Optical Fibers Optics and Photonics Dr. Palffy-Muhoray Ines Busuladzic Department of Theoretical and Applied Mathematics The University of Akron April 21, 2008 #12;Outline ∑ History of optical fibers ∑ What are optical fibers? ∑ How are optical fibers made? ∑ Light propagation through optical fibers ∑ Application

  10. Better Randomness with Single Photons

    E-Print Network [OSTI]

    Oberreiter, Lukas

    2014-01-01T23:59:59.000Z

    Randomness is one of the most important resources in modern information science, since encryption founds upon the trust in random numbers. Since it is impossible to prove if an existing random bit string is truly random, it is relevant that they be generated in a trust worthy process. This requires specialized hardware for random numbers, for example a die or a tossed coin. But when all input parameters are known, their outcome might still be predicted. A quantum mechanical superposition allows for provably true random bit generation. In the past decade many quantum random number generators (QRNGs) were realized. A photonic implementation is described as a photon which impinges on a beam splitter, but such a protocol is rarely realized with non-classical light or anti-bunched single photons. Instead, laser sources or light emitting diodes are used. Here we analyze the difference in generating a true random bit string with a laser and with anti-bunched light. We show that a single photon source provides more r...

  11. Monte Carlo photon benchmark problems

    SciTech Connect (OSTI)

    Whalen, D.J.; Hollowell, D.E.; Hendricks, J.S.

    1991-01-01T23:59:59.000Z

    Photon benchmark calculations have been performed to validate the MCNP Monte Carlo computer code. These are compared to both the COG Monte Carlo computer code and either experimental or analytic results. The calculated solutions indicate that the Monte Carlo method, and MCNP and COG in particular, can accurately model a wide range of physical problems.

  12. AUSTRALIAN WORKSHOP ON MICROWAVE PHOTONICS

    E-Print Network [OSTI]

    Choi, Woo-Young

    Frederic Van Dijk, Alcatel-Thales III-V Lab, France 3:00 "Dispersion monitoring in WDM systems using of electromagnetic near-fields on the basis of ultra-parallel photonic mixing scheme" Dr Kiyotaka Sasagawa, NICT OFDM Systems" Dr William Shieh, CUBIN The University of Melbourne, Australia 12:30pm-2:00pm LUNCH

  13. Vehicle Technologies Office: 2014 Electric Drive Technologies...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Electric Drive Technologies Annual Progress Report Vehicle Technologies Office: 2014 Electric Drive Technologies Annual Progress Report The Electric Drive Technologies research and...

  14. Technology '90

    SciTech Connect (OSTI)

    Not Available

    1991-01-01T23:59:59.000Z

    The US Department of Energy (DOE) laboratories have a long history of excellence in performing research and development in a number of areas, including the basic sciences, applied-energy technology, and weapons-related technology. Although technology transfer has always been an element of DOE and laboratory activities, it has received increasing emphasis in recent years as US industrial competitiveness has eroded and efforts have increased to better utilize the research and development resources the laboratories provide. This document, Technology '90, is the latest in a series that is intended to communicate some of the many opportunities available for US industry and universities to work with the DOE and its laboratories in the vital activity of improving technology transfer to meet national needs. Technology '90 is divided into three sections: Overview, Technologies, and Laboratories. The Overview section describes the activities and accomplishments of the DOE research and development program offices. The Technologies section provides descriptions of new technologies developed at the DOE laboratories. The Laboratories section presents information on the missions, programs, and facilities of each laboratory, along with a name and telephone number of a technology transfer contact for additional information. Separate papers were prepared for appropriate sections of this report.

  15. Limits and Opportunities for Designing Manycore Processor-to-Memory Networks using Monolithic Silicon Photonics

    E-Print Network [OSTI]

    Asanovic, Krste

    envelope, the trend has moved towards designing multiple cores on a sin- gle die. However, if designed- ternate interconnect technologies like silicon photonics that could provide high bandwidth density-chip interconnect networks in manycore systems. We focus on the memory bandwidth aspect of the many- core design

  16. Ico-photonics-delphi2009.org Fibre-optic interferometric pressure sensor based on

    E-Print Network [OSTI]

    Vlachos, Kyriakos G.

    Ico-photonics-delphi2009.org Fibre-optic interferometric pressure sensor based on droplet pressure sensor, PDMS-based Fabry-Perot cavity A range of single-mode fibre-optic based on reflective Fabry≠Perot interferometric sensors ", Optical Fiber Technology, 23, p.227- 237, 2006. [2] Florian Schneider , Jan Draheim

  17. Resonantly-enhanced axion-photon regeneration

    SciTech Connect (OSTI)

    Mueller, Guido; Sikivie, Pierre; Tanner, David B. [Department of Physics, University of Florida, Gainesville, FL 32611 (United States); Bibber, Karl van [Naval Postgraduate School, Monterey, CA 93943 (United States)

    2010-08-30T23:59:59.000Z

    A resonantly-enhanced photon-regeneration experiment to search for the axion or axion-like particles is discussed. Photons enter a strong magnetic field and some are converted to axions; the axions can pass through an opaque wall and some may convert back to photons in a second high-field region. The photon regeneration is enhanced by employing matched Fabry-Perot optical cavities, with one cavity within the axion generation magnet and the second within the photon regeneration magnet. The optics for this experiment are discussed, with emphasis on the alignment of the two cavities.

  18. String compactification, QCD axion and axion-photon-photon coupling

    E-Print Network [OSTI]

    Kang-Sin Choi; Ian-Woo Kim; Jihn E. Kim

    2007-01-13T23:59:59.000Z

    It is pointed out that there exist a few problems to be overcome toward an observable sub-eV QCD axion in superstring compactification. We give a general expression for the axion decay constant. For a large domain wall number $N_{DW}$, the axion decay constant can be substantially lowered from a generic value of a scalar singlet VEV. The Yukawa coupling structure in the recent $Z_{12-I}$ model is studied completely, including the needed nonrenormalizable terms toward realistic quark and lepton masses. In this model we find an approximate global symmetry and vacuum so that a QCD axion results but its decay constant is at the GUT scale. The axion-photon-photon coupling is calculated for a realistic vacuum satisfying the quark and lepton mass matrix conditions. It is the first time calculation of $c_{a\\gamma\\gamma}$ in realistic string compactifications: $c_{a\\gamma\\gamma}={5/3}-1.93\\simeq -0.26$.

  19. Two-Photon Emission from Semiconductors

    E-Print Network [OSTI]

    Alex Hayat; Pavel Ginzburg; Meir Orenstein

    2007-10-25T23:59:59.000Z

    We report the first experimental observations of two-photon emission from semiconductors, to the best of our knowledge, and develop a corresponding theory for the room-temperature process. Spontaneous two-photon emission is demonstrated in optically-pumped bulk GaAs and in electrically-driven GaInP/AlGaInP quantum wells. Singly-stimulated two-photon emission measurements demonstrate the theoretically predicted two-photon optical gain in semiconductors - a necessary ingredient for any realizations of future two-photon semiconductor lasers. Photon-coincidence experiment validates the simultaneity of the electrically-driven GaInP/AlGaInP two-photon emission, limited only by detector's temporal resolution.

  20. Copyright 2013 IEEE. Reprinted, with permission from: CERTS Microgrid Demonstration with Large-Scale Energy Storage and

    E-Print Network [OSTI]

    -Scale Energy Storage and Renewable Generation Eduardo Alegria, Member, IEEE; Tim Brown, Member, IEEE; Erin Minear, Member, IEEE; Robert H. Lasseter, Fellow, IEEE Submitted to "Energy Storage Applications--Distributed Generation, Distributed Resource, Islanding, Microgrid, Smart Grid, Renewable Energy, Advanced Energy Storage

  1. IEEE JOURNAL ON SELECTED AREAS IN COMMUNICATIONS, VOL. 26, NO. 6, AUGUST 2008 55 Elastic Service Availability

    E-Print Network [OSTI]

    Chiang, Mung

    Availability: Utility Framework and Optimal Provisioning Dahai Xu, Member, IEEE, Ying Li, Student Member, IEEE, Mung Chiang, Member, IEEE, and A. Robert Calderbank, Fellow, IEEE Abstract-- Service availability- effectively provision a managed and differentiated network with various service availability guarantees under

  2. IEEE TRANSACTIONS ON ENERGY CONVERSION, VOL. 27, NO. 2, JUNE 2012 489 Modeling of a Complementary and Modular Linear

    E-Print Network [OSTI]

    Mi, Chunting "Chris"

    , Student Member, IEEE, Ming Cheng, Senior Member, IEEE, Chris Mi, Fellow, IEEE, Wei Hua, Member, IEEE, Xin_066Z. Paper no. TEC-00516-2011. R. Cao is with the School of Electrical Engineering, Southeast, University of Michigan, Dearborn, MI 48128 USA (e-mail: ruiwucao@gmail.com). M. Cheng, X. Wang, and W. Hua

  3. 1060 IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, VOL. 47, NO. 5, OCTOBER 2000 Neural-Network-Based Motor Rolling

    E-Print Network [OSTI]

    Chow, Mo-Yuen

    -Network-Based Motor Rolling Bearing Fault Diagnosis Bo Li, Student Member, IEEE, Mo-Yuen Chow, Senior Member, IEEE, Yodyium Tipsuwan, Student Member, IEEE, and James C. Hung, Fellow, IEEE Abstract--Motor systems are very forms of energy to provide power to other equipment. In the performance of all motor systems, bearings

  4. 1702 IEEE TRANSACTIONS ON NUCLEAR SCIENCE, VOL. 59, NO. 4, AUGUST 2012 Optimized Spectral Transformation for Detection and

    E-Print Network [OSTI]

    Du, Jenny (Qian)

    1702 IEEE TRANSACTIONS ON NUCLEAR SCIENCE, VOL. 59, NO. 4, AUGUST 2012 Optimized Spectral Transformation for Detection and Classification of Buried Radioactive Materials Wei Wei, Member, IEEE, Qian Du, Senior Member, IEEE, and Nicolas H. Younan, Senior Member, IEEE Abstract--We investigate the detection

  5. Photon temporal modes: a complete framework for quantum information science

    E-Print Network [OSTI]

    B. Brecht; Dileep V. Reddy; C. Silberhorn; M. G. Raymer

    2015-04-23T23:59:59.000Z

    Temporal modes (TMs) of photonic quantum states provide promising bases for quantum information science (QIS), because they intrinsically span a high-dimensional Hilbert space and lend themselves to integration into existing single-mode fiber communication networks. We show that the three main requirements to construct a valid framework for QIS - the controlled generation of resource states, the targeted and highly efficient manipulation of TMs and their efficient detection, can be fulfilled with current technology. We suggest implementations of diverse QIS applications based on those three building blocks.

  6. Editor: Charles Petrie petrie@stanford.edu 2 Published by the IEEE Computer Society 1089-7801/13/$31.00 2013 IEEE IEEE INTERNET COMPUTING

    E-Print Network [OSTI]

    Petrie, Charles

    -7801/13/$31.00 © 2013 IEEE IEEE INTERNET COMPUTING R ecently, a friend asked me to write about Bitcoin. This has always into Bitcoin, I realized I couldn't add much to what you can get on this interest- ing topic yourself, starting with an excellent Wikipedia article (http://en.wikipedia.org/wiki/ Bitcoin). Bitcoin isn't a Ponzi scheme. Mining

  7. IEEE SENSORS JOURNAL, VOL. 12, NO. 6, JUNE 2012 1709 Target Detection and Classification Using

    E-Print Network [OSTI]

    Ray, Asok

    Seismic and PIR Sensors Xin Jin, Student Member, IEEE, Soumalya Sarkar, Asok Ray, Fellow, IEEE, Shalabh in a secure region. Efficacy of UGS systems is often limited by high false alarm rates, possibly due

  8. Photonic band gap structure simulator

    DOE Patents [OSTI]

    Chen, Chiping; Shapiro, Michael A.; Smirnova, Evgenya I.; Temkin, Richard J.; Sirigiri, Jagadishwar R.

    2006-10-03T23:59:59.000Z

    A system and method for designing photonic band gap structures. The system and method provide a user with the capability to produce a model of a two-dimensional array of conductors corresponding to a unit cell. The model involves a linear equation. Boundary conditions representative of conditions at the boundary of the unit cell are applied to a solution of the Helmholtz equation defined for the unit cell. The linear equation can be approximated by a Hermitian matrix. An eigenvalue of the Helmholtz equation is calculated. One computation approach involves calculating finite differences. The model can include a symmetry element, such as a center of inversion, a rotation axis, and a mirror plane. A graphical user interface is provided for the user's convenience. A display is provided to display to a user the calculated eigenvalue, corresponding to a photonic energy level in the Brilloin zone of the unit cell.

  9. Overview of the Defense Programs Research and Technology Development Program for Fiscal Year 1993

    SciTech Connect (OSTI)

    Not Available

    1993-09-30T23:59:59.000Z

    This documents presents a programmatic overview and program element plan summaries for conceptual design and assessment; physics; computation and modeling; system engineering science and technology; electronics, photonics, sensors, and mechanical components; chemistry and materials; special nuclear materials, tritium, and explosives.

  10. Photonic Systems | The Ames Laboratory

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible for RenewableSpeedingBiomassPPPOPetroleum Reserves Vision,4 PhotomultiplierPhotonic

  11. Photons & Fusion Newsletter - 2014

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible for RenewableSpeedingBiomassPPPOPetroleum Reserves Vision,4news Photons & Fusion

  12. Photons & Fusion Newsletter - 2014

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's Possible for RenewableSpeedingBiomassPPPOPetroleum Reserves Vision,4news Photons &

  13. AES Groups | Advanced Photon Source

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    using leading-edge technology such as 3D modeling, rendering, and animation, as well as additive manufacturing using our rapid prototype machine. Mechanical Engineering and...

  14. Organization Chart | Advanced Photon Source

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    technologies. APS Engineering Support Division (AES) AES provides the engineering, mechanical, and facility services and computing infrastructure to enable the world-class...

  15. Remote Macroscopic Entanglement on a Photonic Crystal Architecture

    E-Print Network [OSTI]

    H. Flayac; M. Minkov; V. Savona

    2015-05-04T23:59:59.000Z

    The outstanding progress in nanostructure fabrication and cooling technologies allows what was unthinkable a few decades ago: bringing single-mode mechanical vibrations to the quantum regime. The coupling between photon and phonon excitations is a natural source of nonclassical states of light and mechanical vibrations, and its study within the field of cavity optomechanics is developing lightning-fast. Photonic crystal cavities are highly integrable architectures that have demonstrated the strongest optomechanical coupling to date, and should therefore play a central role for such hybrid quantum state engineering. In this context, we propose a realistic heralding protocol for the on-chip preparation of remotely entangled mechanical states, relying on the state-of-the-art optomechanical parameters of a silicon-based nanobeam structure. Pulsed sideband excitation of a Stokes process, combined with single photon detection, allows writing a delocalised mechanical Bell state in the system, signatures of which can then be read out in the optical field. A measure of entanglement in this protocol is provided by the visibility of a characteristic quantum interference pattern in the emitted light.

  16. 26 IEEE power & energy magazine september/october 2009 1540-7977/09/$26.002009 IEEE

    E-Print Network [OSTI]

    Catholic University of Chile (Universidad Catůlica de Chile)

    26 IEEE power & energy magazine september/october 2009 Balance of Power 1540 options (coal, gas, hydro, biomass, wind) available but unevenly distributed among the countries. Hence will require about US$90 bil- lion of investment in the power sector in the next ten years

  17. 2013 IEEE. Personal use of this material is permitted. Permission from IEEE must

    E-Print Network [OSTI]

    Wang, Weichao

    of Real-Time Locational Marginal Price to SCADA Sensor Data Corruption Dae-Hyun Choi, Student Member, IEEE acquisition (SCADA) data corruption on real-time locational marginal price (LMP) in electricity markets. We with both Ex-ante and Ex-post real-time pricing models. Index Terms--Economic dispatch, locational marginal

  18. IEEEINDUSTRYAPPLICATIONSMAGAZINEJULY|AUG2007WWW.IEEE.ORG/IAS 1077-2618/07/$25.002007 IEEE

    E-Print Network [OSTI]

    Boyer, Edmond

    -2618/07/$25.00©2007 IEEE Validating the power loss model of a transformer by measurement BY JEAN-PIERRE KERADEC ODAY, WHEN. For this reason, in power electronics, loss measure- ments--either of whole systems or of single components to experi- mentally check the transformer power loss previsions using oscilloscopic measurements. Here we

  19. "Infotonics Technology Center"

    SciTech Connect (OSTI)

    Fritzemeier, L., Boysel, M.B., and Smith, D.R.

    2005-01-14T23:59:59.000Z

    During this grant period July 15, 2002 thru September 30, 2004, the Infotonics Technology Center developed the critical infrastructure and technical expertise necessary to accelerate the development of sensors, alternative lighting and power sources, and other specific subtopics of interest to Department of Energy. Infotonics fosters collaboration among industry, universities and government and operates as a national center of excellence to drive photonics and microsystems development and commercialization. A main goal of the Center is to establish a unique, world-class research and development facility. A state-of-the-art microsystems prototype and pilot fabrication facility was established to enable rapid commercialization of new products of particular interest to DOE. The Center has three primary areas of photonics and microsystems competency: device research and engineering, packaging and assembly, and prototype and pilot-scale fabrication. Center activities focused on next generation optical communication networks, advanced imaging and information sensors and systems, micro-fluidic systems, assembly and packaging technologies, and biochemical sensors. With targeted research programs guided by the wealth of expertise of Infotonics√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬Ę√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬?√?¬? business and scientific staff, the fabrication and packaging facility supports and accelerates innovative technology development of special interest to DOE in support of its mission and strategic defense, energy, and science goals.

  20. 1808 IEEE TRANSACTIONS ON POWER SYSTEMS, VOL. 21, NO. 4, NOVEMBER 2006 Sensitivity, Approximation, and Uncertainty

    E-Print Network [OSTI]

    Hiskens, Ian A.

    , and Uncertainty in Power System Dynamic Simulation Ian A. Hiskens, Fellow, IEEE, and Jassim Alseddiqui, Student1808 IEEE TRANSACTIONS ON POWER SYSTEMS, VOL. 21, NO. 4, NOVEMBER 2006 Sensitivity, Approximation Member, IEEE Abstract--Parameters of power system models, in particular load models, are seldom known

  1. IEEE TRANSACTIONS ON PARALLEL AND DISTRIBUTED SYSTEMS, 201X 1 Temperature Aware Workload Management

    E-Print Network [OSTI]

    Li, Baochun

    Geo-distributed data centers are the powerhouses be- hind many Internet-scale services in Geo-distributed Data Centers Hong Xu, Member, IEEE, Chen Feng, Member, IEEE, and Baochun Li, Senior Member, IEEE Abstract--Lately, for geo-distributed data centers, a workload management approach

  2. 5738 IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. 60, NO. 11, NOVEMBER 2012 Clock Jitter Compensation in

    E-Print Network [OSTI]

    Sayed, Ali

    5738 IEEE TRANSACTIONS ON SIGNAL PROCESSING, VOL. 60, NO. 11, NOVEMBER 2012 Clock Jitter, IEEE, and Ali H. Sayed, Fellow, IEEE Abstract--Clock timing jitter refers to random perturbations in the sampling clock. This paper analyzes the effect of sampling clock jitter on the acquired samples

  3. 1630 IEEE TRANSACTIONS ON AUTOMATIC CONTROL, VOL. 43, NO. 11, NOVEMBER 1998 ACKNOWLEDGMENT

    E-Print Network [OSTI]

    Kwatny, Harry G.

    control of failure prone manufacturing systems," IEEE Trans. Automat. Contr., vol. 39, pp. 1875­1880, 1994, "Optimal control of production rate in a failure prone manufacturing system," IEEE Trans. Automat. Contr1630 IEEE TRANSACTIONS ON AUTOMATIC CONTROL, VOL. 43, NO. 11, NOVEMBER 1998 ACKNOWLEDGMENT

  4. IEEE TRANSACTIONS ON AUTOMATIC CONTROL, VOL. 44, NO. 3, MARCH 1999 583 V. CONCLUSION

    E-Print Network [OSTI]

    Anantharam, Venkat

    , "H1 control for nonlinear systems via output feedback," IEEE Trans. Automat. Contr., vol. 38, pp. 546 systems," IEEE Trans. Automat. Contr., vol. 37, pp. 1283≠1293, 1992. [4] A. Isidori, "H1 control viaīc, and W. R. Perkins, "Design of reliable control systems," IEEE Trans. Automat. Contr., vol. 37, pp. 290

  5. ACCEPTED TO IEEE TRANSACTIONS ON POWER SYSTEMS 1 On the Parameter Estimation and Modeling of

    E-Print Network [OSTI]

    CaŮizares, Claudio A.

    ACCEPTED TO IEEE TRANSACTIONS ON POWER SYSTEMS 1 On the Parameter Estimation and Modeling of Aggregate Power System Loads Valery Knyazkin, Student Member, IEEE, Claudio Ca~nizares, Senior Member, IEEE relevant to the problem of power system load modeling and identification. Two identification techniques

  6. FUEL CELL TECHNOLOGIES PROGRAM Technologies

    E-Print Network [OSTI]

    and fuel cells offer great promise for our energy future. Fuel cell vehicles are not yet commercially, such as a hydrogen fueling station or hydrogen fuel cell vehicle. Technology validation does not certify, and the Federal Government to evaluate hydrogen fuel cell vehicle and infrastructure technologies together in real

  7. IEEE Photonics Journal New materials for amplifiers New materials for short-pulse amplifiers

    E-Print Network [OSTI]

    Paris-Sud XI, Universitť de

    in the development of directly- diode-pumped high power and ultra-short lasers [1-2]. This is possible thanks, allowing then ultra-short-pulse generation. Since the laser performance of Yb-doped crystals is strongly and that have broad emission bandwidth to achieved ultra-short pulse amplification. This is why, for more than

  8. Photon statistics dispersion in excitonic composites

    E-Print Network [OSTI]

    G. Ya. Slepyan; S. A. Maksimenko

    2006-05-22T23:59:59.000Z

    Linear media are predicted to exist whose relative permiability is an operator in the space of quantum states of light. Such media are characterized by a photon statistics--dependent refractive index. This indicates a new type of optical dispersion -- the photon statistics dispersion. Interaction of quantum light with such media modifies the photon number distribution and, in particular, the degree of coherence of light. An excitonic composite -- a collection of noninteracting quantum dots -- is considered as a realization of the medium with the photon statistics dispersion. Expressions are derived for generalized plane waves in an excitonic composite and input--output relations for a planar layer of the material. Transformation rules for different photon initial states are analyzed. Utilization of the photon statistics dispersion in potential quantum--optical devices is discussed.

  9. Generalized multi-photon quantum interference

    E-Print Network [OSTI]

    Max Tillmann; Si-Hui Tan; Sarah E. Stoeckl; Barry C. Sanders; Hubert de Guise; Renť Heilmann; Stefan Nolte; Alexander Szameit; Philip Walther

    2015-02-12T23:59:59.000Z

    Non-classical interference of photons lies at the heart of optical quantum information processing. This effect is exploited in universal quantum gates as well as in purpose-built quantum computers that solve the BosonSampling problem. Although non-classical interference is often associated with perfectly indistinguishable photons this only represents the degenerate case, hard to achieve under realistic experimental conditions. Here we exploit tunable distinguishability to reveal the full spectrum of multi-photon non-classical interference. This we investigate in theory and experiment by controlling the delay times of three photons injected into an integrated interferometric network. We derive the entire coincidence landscape and identify transition matrix immanants as ideally suited functions to describe the generalized case of input photons with arbitrary distinguishability. We introduce a compact description by utilizing a natural basis which decouples the input state from the interferometric network, thereby providing a useful tool for even larger photon numbers.

  10. Paraxial Hamiltonian for photons in two-dimensional photonic crystal microstructures

    E-Print Network [OSTI]

    Boiko, D L

    2007-01-01T23:59:59.000Z

    New solid-state physics based approach is developed for analysis of the paraxial light propagation in two-dimensional (2D) photonic lattices of coupled dielectric waveguides or microcavities. In particular, using Maxwell's equations, a non-Hermitian Hamiltonian eigenproblem with respect to the spinor wave function of a photon is obtained for energy-dissipating photonic microstructures. The Hamiltonian is suitable for almost the entire subclass of 2D structures encompassing arrays of semiconductor microcavities and microstructured photonic crystal fibers, characterized by light propagating mostly normal to the periodic lattice plane. Methods of numerical solution are discussed and the formalism is applied to a square array of coupled semiconductor microcavities, revealing reach possibilities for tailoring photonic band structure both in the photon energy and photon lifetime energy broadening domains. In particular, a feasibility to open a double photonic crystal band gap simultaneously in the energy and lifeti...

  11. Diffractive production of isolated photons at HERA

    E-Print Network [OSTI]

    Peter Bussey; for the ZEUS Collaboration

    2015-07-14T23:59:59.000Z

    The ZEUS detector at HERA has been used to measure the photoproduction of isolated photons in diffractive events. Cross sections are evaluated in the photon transverse-energy and pseudorapidity ranges 5 energy an pseudorapidity in the ranges 4 energy and of the colourless exchange ("Pomeron") energy that are imparted to a photon-jet final state. Comparison is made to predictions from the RAPGAP Monte Carlo simulation.

  12. High-performance single-photon generation with commercial-grade optical fiber

    E-Print Network [OSTI]

    Christoph SŲller; Offir Cohen; Brian J. Smith; Ian A. Walmsley; Christine Silberhorn

    2012-02-14T23:59:59.000Z

    High-quality quantum sources are of paramount importance for the implementation of quantum technologies. We present here a heralded single-photon source based on commercial-grade polarization-maintaining optical fiber. The heralded photons exhibit a purity of at least 0.84 and an unprecedented heralding efficiency into single-mode fiber of 85%. The birefringent phase-matching condition of the underlying four-wave mixing process can be controlled mechanically to optimize the wavelength tuning needed for interfacing multiple sources, as are required for large-scale entanglement generation.

  13. Bistable Photon Emission from a Solid-State Single-Atom Laser

    E-Print Network [OSTI]

    Neill Lambert; Franco Nori; Christian Flindt

    2015-05-29T23:59:59.000Z

    We predict a dynamical bistability in the photon emission from a solid-state single-atom laser comprised of a microwave cavity coupled to a voltage-biased double quantum dot. The switching rates of the bistability can be extracted from the average electrical current and the shot noise in the quantum dots. Using large-deviation techniques we demonstrate that the full counting statistics of emitted photons is captured by the universal shape of a tilted ellipse whose form can be controlled by modulating the electronic transport in the quantum dots. Our prediction is robust against moderate electronic decoherence and dephasing due to phonons and may be tested using current technology.

  14. The College of Optics & Photonics Industrial Affiliates Day

    E-Print Network [OSTI]

    Van Stryland, Eric

    CREOL The College of Optics & Photonics Industrial Affiliates Day 2011 Symposium on FAR IR & THZ Photonics CREOLThe College of Optics and Photonics #12;CREOL The College of Optics & Photonics Studentofthe characterization Dimitrios Mandridis Graduate Student CREOL,TheCollegeofOptics Photonics 2:05Walktothe

  15. EAM Seminars C: Engineering of Photonic and Optical Materials

    E-Print Network [OSTI]

    Sanderson, Yasmine

    EAM Seminars C: Engineering of Photonic and Optical Materials 15.02.2011 EAM Seminar Photonic and Optical Materials Prof. Dr. Hartmut Bartelt, IPHT Jena 04.11.2010 EAM Seminar Photonic and Optical Materials 02.09.2010 EAM Seminar Photonic and Optical Materials 01.07.2010 EAM Seminar Photonic and Optical

  16. Accelerator Operations and Physics - Advanced Photon Source

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Argonne National Laboratory Accelerator Operations & Physics Advance Photon Source A U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences national...

  17. Spatial wave functions of photon and electron

    SciTech Connect (OSTI)

    Khokhlov, D. L. [Sumy State University, R.-Korsakov St. 2, Sumy 40007 (Ukraine)

    2010-12-01T23:59:59.000Z

    The quantum mechanical model of the photon and electron is considered. The photon is conceived of as a particle moving with the speed of light which is accompanied by the wave function of the photon spreading out with an infinite speed. The wave function of the electron is introduced in terms of virtual photons tied to the electron. A description of electrostatic and magnetostatic interactions is given through the wave functions of electrons. The approach provides an explanation of the results of recent experiments measuring the speed of propagation of the bound magnetic field.

  18. Axionic shortcuts for high energy photons

    SciTech Connect (OSTI)

    Nicolaidis, A., E-mail: nicolaid@auth.gr [Theoretical Physics Department, University of Thessaloniki, 54124 Thessaloniki (Greece)

    2010-04-01T23:59:59.000Z

    We study the photon axion mixing in the presence of large extra dimensions. The eigenvalues and eigenstates of the mixing matrix are analyzed and we establish the resonance condition for the total conversion of a high energy photon into a Kaluza-Klein (KK) axion state. This resonant transition, a photon transformed into a KK axion traveling freely through the bulk and converting back into a photon, may provide a plausible explanation for the transparency of the universe to energetic photons. If the brane we live in is curved, then there are shortcuts through the bulk, which the axion can take. Within our model, the photons having the appropriate resonance energy are using the axionic shortcut and arrive earlier compared to the photons which follow the geodesic on the brane. We suggest that such axionic shortcuts are at the root of the dispersion of time arrival of photons observed by the MAGIC telescope. We indicate also the cosmological significance of the existence of axionic shortcuts for the photon.

  19. Photon level chemical classification using digital compressive ...

    E-Print Network [OSTI]

    David S. Wilcox

    2012-11-09T23:59:59.000Z

    Oct 12, 2012 ... The wavelength, or energy, of each photon observed in the experiments can be ...... Fig. 5). Moreover, we plan to extend the ďnuisance ... Science Foundation (

  20. Science Highlights 2007 | Advanced Photon Source

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    by researchers using the Argonne Advanced Photon Source. Tailoring the Properties of Magnetic Nanostructures Tailoring the Properties of Magnetic Nanostructures May 23, 2007...

  1. APS News 2009 | Advanced Photon Source

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Studied at the APS June 24, 2009 Archaeologists studying trade artifacts from ancient Egypt at the U.S. Department of Energy's Advanced Photon Source at Argonne National...

  2. Direct photon production from viscous QGP

    E-Print Network [OSTI]

    Chaudhuri, A K

    2011-01-01T23:59:59.000Z

    We simulate direct photon production in evolution of viscous QGP medium. Photons from Compton and annihilation processes are considered. Viscous effect on photon production is very strong and reliable simulation is possible only in a limited $p_T$ range. For minimally viscous fluid $\\eta/s$=0.08), direct photons can be reliably computed only up to $p_T \\leq$ 1.3 GeV. With reduced viscosity ($\\eta/s$=0.04), the limit increases to $p_T \\leq $2GeV.

  3. X-entanglement of PDC photon pairs

    E-Print Network [OSTI]

    E. Brambilla; L. Caspani; O. Jedrkiewicz; L. A. Lugiato; A. Gatti

    2008-12-18T23:59:59.000Z

    We investigate the spatio-temporal structure of the bi-photon entanglement in parametric down-conversion (PDC) and we demonstrate its non-factorable X-shaped geometry. Such a structure gives access to the ultra-broad bandwidth of PDC, and can be exploited to achieve a bi-photon temporal localization in the femtosecond range. This extreme localization is connected to our ability to resolve the photon positions in the source near-field. The non factorability opens the possibility of tailoring the temporal entanglement by acting on the spatial degrees of freedom of twin photons.

  4. X-entanglement of PDC photon pairs

    E-Print Network [OSTI]

    Brambilla, Elena; Jedrkiewicz, O; Lugiato, L A; Gatti, A

    2008-01-01T23:59:59.000Z

    We investigate the spatio-temporal structure of the bi-photon entanglement in parametric down-conversion (PDC) and we demonstrate its non-factorable X-shaped geometry. Such a structure gives access to the ultra-broad bandwidth of PDC, and can be exploited to achieve a bi-photon temporal localization in the femtosecond range. This extreme localization is connected to our ability to resolve the photon positions in the source near-field. The non factorability opens the possibility of tailoring the temporal entanglement by acting on the spatial degrees of freedom of twin photons.

  5. Photonic crystals for high temperature applications

    E-Print Network [OSTI]

    Yeng, Yi Xiang

    2014-01-01T23:59:59.000Z

    This thesis focuses on the design, optimization, fabrication, and experimental realization of metallic photonic crystals (MPhCs) for high temperature applications, for instance thermophotovoltaic (TPV) energy conversion ...

  6. IEEE TRANSACTIONS IN BIOMEDICAL ENGINEERING 1 Constructing Robust Neural Decoders

    E-Print Network [OSTI]

    Fagg, Andrew H.

    Training Data Shamim Nemati, Nicholas G. Hatsopoulos, Lee E. Miller, Andrew H. Fagg, Member, IEEE Abstract is with the School of Computer Science at the University of Oklahoma, Norman, OK, 73072, fagg@ou.edu December 8, 2007

  7. Single-Photon Molecular Cooling

    E-Print Network [OSTI]

    Edvardas Narevicius; S. Travis Bannerman; Mark G. Raizen

    2009-01-04T23:59:59.000Z

    We propose a general method to cool the translational motion of molecules. Our method is an extension of single photon atomic cooling which was successfully implemented in our laboratory. Requiring a single event of absorption followed by a spontaneous emission, this method circumvents the need for a cycling transition and can be applied to any paramagnetic or polar molecule. In our approach, trapped molecules would be captured near their classical turning points in an optical dipole or RF-trap following an irreversible transition process.

  8. Photonic Structures Inspired by Nature

    E-Print Network [OSTI]

    Kolle, Mathias

    2014-05-27T23:59:59.000Z

    the surprising helplessness that overwhelms you when you try to eat and identify food and wine purely by taste in a pitch-black environment where your sense of vision is completely useless. Not easy at all. It is truly a refreshing, fantastic experience [1]. 1... 2 01 11 Theoretical aspects of photonic structures has been used, essentially signifying the conservation of energy upon reflection and refraction. Finally the reflectivity of a thin layer is given by R = ArA ? r = r201 + 2r01r12 cos 2? + r 2 12 1...

  9. Lightwave Photonics | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov YouKizildere I Geothermal Pwer Plant Jump to:Landowners and WindLighting Control Design Jump to:Photonics Jump to:

  10. Golden Photon | Open Energy Information

    Open Energy Info (EERE)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are beingZealand Jump to: navigation, search OpenEI ReferenceJump to: navigation, search Equivalent URIWind FarmPhoton

  11. Photons & Fusion Newsletter - 2014

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeeding accessPeptoid NanosheetsStudyingFebruary Photons & Fusion is a

  12. Photons & Fusion Newsletter - 2014

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)IntegratedSpeeding accessPeptoid NanosheetsStudyingFebruary Photons & Fusion is

  13. APS News | Advanced Photon Source

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Accelerator Physics Award to Kwang-Je Kim of ASD October 22, 2013 The 2013 U.S. Particle Accelerator School Prize for Achievement in Accelerator Physics and Technology has been...

  14. Technology Application Centers: Facilitating Technology Transfer

    E-Print Network [OSTI]

    Kuhel, G. J.

    's approach to technology deployment seeks to blend an industrial customer's priorities with the utility's marketing and customer service objectives. A&C Enercom sees technology deployment as the sum of an equation: technology deployment equals technology...

  15. Dark Photon Search at BABAR

    SciTech Connect (OSTI)

    Greenwood, Ross N; /MIT /SLAC

    2012-09-07T23:59:59.000Z

    Presented is the current progress of a search for the signature of a dark photon or new particle using the BaBar data set. We search for the processes e{sup +}e{sup -} {yields} {gamma}{sub ISR}A{prime},A{prime} {yields} e{sup +}e{sup -} and e{sup +}e{sup -} {yields} {gamma}{sub ISR}{gamma}, {gamma} {yields} A{prime},A{prime} {yields} e{sup +}e{sup -}, where {gamma}{sub ISR} is an initial state radiated photon of energy E{sub {gamma}} >= 1 GeV. Twenty-five sets of Monte Carlo, simulating e{sup +}e{sup -} collisions at an energy of 10.58 GeV, were produced with different values of the A{prime} mass ranging from 100 MeV to 9.5 GeV. The mass resolution is calculated based on Monte Carlo simulations. We implement ROOT's Toolkit for Multivariate Analysis (TMVA), a machine learning tool that allows us to evaluate the signal character of events based on many of discriminating variables. TMVA training is conducted with samples of Monte Carlo as signal and a small portion of Run 6 as background. The multivariate analysis produces additional cuts to separate signal and background. The signal efficiency and sensitivity are calculated. The analysis will move forward to fit the background and scan the residuals for the narrow resonance peak of a new particle.

  16. Photon and graviton mass limits

    SciTech Connect (OSTI)

    Nieto, Michael [Los Alamos National Laboratory; Goldhaber Scharff, Alfred [SUNY

    2008-01-01T23:59:59.000Z

    We review past and current studies of possible long-distance, low-frequency deviations from Maxwell electrodynamics and Einstein gravity. Both have passed through three phases: (1) Testing the inverse-square laws of Newton and Coulomb, (2) Seeking a nonzero value for the rest mass of photon or graviton, and (3) Considering more degrees of freedom, allowing mass while preserving gauge or general-coordinate invariance. For electrodynamics there continues to be no sign of any deviation. Since our previous review the lower limit on the photon Compton wavelength (associated with weakening of electromagnetic fields in vacuum over large distance scale) has improved by four orders of magnitude, to about one astronomical unit. Rapid current progress in astronomical observations makes it likely that there will be further advances. These ultimately could yield a bound exceeding galactic dimensions, as has long been contemplated. Meanwhile, for gravity there have been strong arguments about even the concept of a graviton rest mass. At the same time there are striking observations, commonly labeled 'dark matter' and 'dark energy' that some argue imply modified gravity. This makes the questions for gravity much more interesting. For dark matter, which involves increased attraction at large distances, any explanation by modified gravity would be qualitatively different from graviton mass. Because dark energy is associated with reduced attraction at large distances, it might be explained by a graviton-mass-like effect.

  17. Photonic and plasmonic guiding modes in graphene-silicon photonic crystals

    E-Print Network [OSTI]

    Gu, Tingyi; Hao, Yufeng; Li, Yilei; Hone, James; Wong, Chee Wei; Lavrinenko, Andrei; Low, Tony; Heinz, Tony F

    2015-01-01T23:59:59.000Z

    We report systematic studies of plasmonic and photonic guiding modes in large-area chemical-vapor-deposition-grown graphene on nanostructured silicon substrates. Light interaction in graphene with substrate photonic crystals can be classified into four distinct regimes depending on the photonic crystal lattice constant and the various modal wavelengths (i.e. plasmonic, photonic and free-space). By optimizing the design of the substrate, these resonant modes can magnify the graphene absorption in infrared wavelength, for efficient modulators, filters, sensors and photodetectors on silicon photonic platforms.

  18. Analysis of a Quantum Nondemolition Measurement Scheme Based on Kerr Nonlinearity in Photonic Crystal Waveguides

    E-Print Network [OSTI]

    Ilya Fushman; Jelena Vuckovic

    2006-03-16T23:59:59.000Z

    We discuss the feasibility of a quantum nondemolition measurement (QND) of photon number based on cross phase modulation due to the Kerr effect in Photonic Crystal Waveguides (PCWs). In particular, we derive the equations for two modes propagating in PCWs and their coupling by a third order nonlinearity. The reduced group velocity and small cross-sectional area of the PCW lead to an enhancement of the interaction relative to bulk materials. We show that in principle, such experiments may be feasible with current photonic technologies, although they are limited by material properties. Our analysis of the propagation equations is sufficiently general to be applicable to the study of soliton formation, all-optical switching and can be extended to processes involving other orders of the nonlinearity.

  19. Advances in InGaAs/InP single-photon detector systems for quantum communication

    E-Print Network [OSTI]

    Zhang, Jun; Zbinden, Hugo; Pan, Jian-Wei

    2015-01-01T23:59:59.000Z

    Single-photon detectors (SPDs) are the most sensitive instruments for light detection. In the near-infrared range, SPDs based on III-V compound semiconductor avalanche photodiodes have been extensively used during the past two decades for diverse applications due to their advantages in practicality including small size, low cost and easy operation. In the past decade, the rapid developments and increasing demands in quantum information science have served as key drivers to improve the device performance of single-photon avalanche diodes and to invent new avalanche quenching techniques. This Review aims to introduce the technology advances of InGaAs/InP single-photon detector systems in the telecom wavelengths and the relevant quantum communication applications, and particularly to highlight recent emerging techniques such as high-frequency gating at GHz rates and free-running operation using negative-feedback avalanche diodes. Future perspectives of both the devices and quenching techniques are summarized.

  20. Single photon emission from site-controlled InGaN/GaN quantum dots

    SciTech Connect (OSTI)

    Zhang, Lei; Hill, Tyler A.; Deng, Hui, E-mail: dengh@umich.edu [Department of Physics, University of Michigan, 450 Church Street, Ann Arbor, Michigan 48109 (United States)] [Department of Physics, University of Michigan, 450 Church Street, Ann Arbor, Michigan 48109 (United States); Teng, Chu-Hsiang; Lee, Leung-Kway; Ku, Pei-Cheng, E-mail: peicheng@umich.edu [Department of Electrical Engineering and Computer Science, University of Michigan, 1301 Beal Ave., Ann Arbor, Michigan 48109 (United States)] [Department of Electrical Engineering and Computer Science, University of Michigan, 1301 Beal Ave., Ann Arbor, Michigan 48109 (United States)

    2013-11-04T23:59:59.000Z

    Single photon emission was observed from site-controlled InGaN/GaN quantum dots. The single-photon nature of the emission was verified by the second-order correlation function up to 90?K, the highest temperature to date for site-controlled quantum dots. Micro-photoluminescence study on individual quantum dots showed linearly polarized single exciton emission with a lifetime of a few nanoseconds. The dimensions of these quantum dots were well controlled to the precision of state-of-the-art fabrication technologies, as reflected in the uniformity of their optical properties. The yield of optically active quantum dots was greater than 90%, among which 13%Ė25% exhibited single photon emission at 10?K.

  1. Advances in InGaAs/InP single-photon detector systems for quantum communication

    E-Print Network [OSTI]

    Jun Zhang; Mark A. Itzler; Hugo Zbinden; Jian-Wei Pan

    2015-05-09T23:59:59.000Z

    Single-photon detectors (SPDs) are the most sensitive instruments for light detection. In the near-infrared range, SPDs based on III-V compound semiconductor avalanche photodiodes have been extensively used during the past two decades for diverse applications due to their advantages in practicality including small size, low cost and easy operation. In the past decade, the rapid developments and increasing demands in quantum information science have served as key drivers to improve the device performance of single-photon avalanche diodes and to invent new avalanche quenching techniques. This Review aims to introduce the technology advances of InGaAs/InP single-photon detector systems in the telecom wavelengths and the relevant quantum communication applications, and particularly to highlight recent emerging techniques such as high-frequency gating at GHz rates and free-running operation using negative-feedback avalanche diodes. Future perspectives of both the devices and quenching techniques are summarized.

  2. Enhanced spontaneous emission from nanodiamond colour centres on opal photonic crystal

    E-Print Network [OSTI]

    Faraz A Inam; Torsten Gaebel; Carlo Bradac; Luke Stewart; Michael J Withford; Judith M Dawes; James R Rabeau; Michael J Steel

    2011-02-02T23:59:59.000Z

    Colour centres in diamond are promising candidates as a platform for quantum technologies and biomedical imaging based on spins and/or photons. Controlling the emission properties of colour centres in diamond is a key requirement for developing efficient single photon sources with high collection efficiency. A number of groups have produced enhancement in the emission rate over narrow wavelength ranges by coupling single emitters in nanodiamond crystals to resonant electromagnetic structures. Here we characterise in detail the spontaneous emission rates of nitrogen-vacancy centres positioned in various locations on a structured substrate. We show an average factor of 1.5 enhancement of the total emission rate when nanodiamonds are on an opal photonic crystal surface, and observe changes in the lifetime distribution. We present a model to explain these observations and associate the lifetime properties with dipole orientation and polarization effects.

  3. FEMP/NTDP Technology Focus New Technology

    E-Print Network [OSTI]

    FEMP/NTDP Technology Focus New Technology Demonstration Program Technology Focus FEMPFederal Energy Management Program Trends in Energy Management Technology: BCS Integration Technologies ≠ Open Communications into a complete EMCIS. The first article [1] covered enabling technologies for emerging energy management systems

  4. Two-photon collisions and QCD

    SciTech Connect (OSTI)

    Gunion, J.F.

    1980-05-01T23:59:59.000Z

    A critical review of the applications of QCD to low- and high-p/sub T/ interactions of two photons is presented. The advantages of the two-photon high-p/sub T/ tests over corresponding hadronic beam and/or target tests of QCD are given particular emphasis.

  5. Heterogeneous lithium niobate photonics on silicon substrates

    E-Print Network [OSTI]

    Fathpour, Sasan

    Heterogeneous lithium niobate photonics on silicon substrates Payam Rabiei,1,* Jichi Ma,1 Saeed-confined lithium niobate photonic devices and circuits on silicon substrates is reported based on wafer bonding high- performance lithium niobate microring optical resonators and Mach- Zehnder optical modulators

  6. How a cold axion background influences photons

    E-Print Network [OSTI]

    DomŤnec Espriu; Albert Renau

    2011-11-14T23:59:59.000Z

    A cold relic axion condensate resulting from vacuum misalignment in the early universe oscillates with a frequency \\sim m_a, where m_a is the axion mass. We summarize how the properties of photons propagating in such a medium are modified. Although the effects are small due to the magnitude of the axion-photon coupling, some consequences are striking.

  7. Covariant Photon Quantization in the SME

    E-Print Network [OSTI]

    Colladay, Don

    2013-01-01T23:59:59.000Z

    The Gupta Bleuler quantization procedure is applied to the SME photon sector. A direct application of the method to the massless case fails due to an unavoidable incompleteness in the polarization states. A mass term can be included into the photon lagrangian to rescue the quantization procedure and maintain covariance.

  8. Covariant Photon Quantization in the SME

    E-Print Network [OSTI]

    Don Colladay

    2013-09-23T23:59:59.000Z

    The Gupta Bleuler quantization procedure is applied to the SME photon sector. A direct application of the method to the massless case fails due to an unavoidable incompleteness in the polarization states. A mass term can be included into the photon lagrangian to rescue the quantization procedure and maintain covariance.

  9. Electron and Photon Energy Deposition in Universe

    E-Print Network [OSTI]

    Toru Kanzaki; Masahiro Kawasaki

    2008-05-26T23:59:59.000Z

    We consider energy deposition of high energy electrons and photons in universe. We carry out detailed calculations of fractions of the initial energy of the injected electron or photon which are used to heat, ionize and excite background plasma in the early universe for various ionization states and redshifts.

  10. IEEE Copyright Statement: Copyright [2007] IEEE. Reprinted from Proceedings of IEEE Systems, Man, and Cybernetics

    E-Print Network [OSTI]

    Ilic, Marija D.

    of IT. Notably, a multi- disciplinary approach to modeling and simulating a cyber- physical system (CPS is essential. Designing regulatory policies for facilitating penetration of IT at the value is also viewed is the conjecture that, while somewhat ignored, the IT is essential for integrating many novel technologies

  11. IEEE Copyright Statement: Copyright 2006 IEEE. Reprinted from Proceedings of the IEEE PES General Meeting,

    E-Print Network [OSTI]

    Ilic, Marija D.

    in the Department of Electrical and Computer Engineering, Carnegie Mellon University, Pittsburgh, PA, 15213, USA (e. The recent technological and organizational changes in the electric industry sector have had an influence, and types of customer demand require new paradigms of distribution network planning and operations

  12. IEEE TRANSACTIONS ON PLASMA SCIENCE, VOL.

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHigh School footballHydrogen andHypernuclei in Hall link to facebook8 IEEE

  13. Counterintuitive temporal shape of single photons

    E-Print Network [OSTI]

    Gurpreet Kaur Gulati; Bharath Srivathsan; Brenda Chng; Alessandro CerŤ; Dzmitry Matsukevich; Christian Kurtsiefer

    2014-02-24T23:59:59.000Z

    We prepare heralded single photons from a photon pair source based on non-degenerate four-wave mixing in a cold atomic ensemble via a cascade decay scheme. Their statistics shows strong antibunching with g(2)(0) < 0.03, indicating a near single photon character. In an optical homodyne experiment, we directly measure the temporal envelope of these photons and find, depending on the heralding scheme, an exponentially decaying or rising profile. The rising envelope will be useful for efficient interaction between single photons and microscopic systems like single atoms and molecules. At the same time, their observation illustrates the breakdown of a realistic interpretation of the heralding process in terms of defining an initial condition of a physical system.

  14. Kyungdong Photovoltaic Energy Corp KPE formerly Photon Semiconductor...

    Open Energy Info (EERE)

    Kyungdong Photovoltaic Energy Corp KPE formerly Photon Semiconductor Energy Jump to: navigation, search Name: Kyungdong Photovoltaic Energy Corp (KPE) (formerly Photon...

  15. Transportation Beamline at the Advanced Photon Source | Argonne...

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Transportation Beamline at the Advanced Photon Source Argonne's dedicated transportation research beamline at Argonne's Advanced Photon Source (APS) allows researchers to use the...

  16. Time-Slotted Scheduling For Agile All-Photonic Networks

    E-Print Network [OSTI]

    are Xiao Liu, Nahid Saberi, Mark Coates and Lorne Mason. This paper is in the conference proceeding of IEEE. Nahid Saberi, proposed the frame based scheduling for AAPN, and implemented the algorithm in OPNET

  17. Novel R2R Manufacturable Photonic-Enhanced Thin Film Solar Cells; January 28, 2010 -- January 31, 2011

    SciTech Connect (OSTI)

    Slafer, D.; Dalal, V.

    2012-03-01T23:59:59.000Z

    Final subcontract report for PV Incubator project 'Novel R2R Manufacturable Photonic-Enhanced Thin Film Solar Cells.' The goal of this program was to produce tandem Si cells using photonic bandgap enhancement technology developed at ISU and Lightwave Power that would have an NREL-verified efficiency of 7.5% on 0.25 cm{sup 2} area tandem junction cell on plastic substrates. This goal was met and exceeded within the timeframe and budget of the program. On smaller area cells, the efficiency was even higher, {approx}9.5% (not verified by NREL). Appropriate polymers were developed to fabricate photonic and plasmonic devices on stainless steel, Kapton and PEN substrates. A novel photonic-plasmon structure was developed which shows a promise of improving light absorption in thin film cells, a better light absorption than by any other scheme.

  18. Renewal of the Advanced Photon Source.

    SciTech Connect (OSTI)

    Gibson, J. M.

    2008-12-31T23:59:59.000Z

    To ensure that state-of-the-art hard x-ray tools are available for US scientists and engineers who are solving key problems in energy, environment, technology development and human health, the nation's unique high-energy x-ray source needs a major renewal of its capabilities. The Advanced Photon Source renewal program responds to key scientific needs driven by our user community. The renewal encompasses many innovations in beamlines and accelerator capabilities, each of which will transform our tools and allow new problems to be solved. In particular the APS renewal dramatically expands two compelling avenues for research. Through x-ray imaging, we can illuminate complex hierarchical structures from the molecular level to the macroscopic level, and study how they change in time and in response to stimuli. Images will facilitate understanding how proteins fit together to make living organisms, contribute to development of lighter, higher-strength alloys for fuel-efficient transportation and advance the use of biomass for alternative fuels. Hard x-rays are also especially suited to the study of real materials, under realistic conditions and in real-time. The advances proposed in this area would help develop more efficient catalysts, enhance green manufacturing, point the way to artificial light-harvesting inspired by biology and help us develop more efficient lighting. The scope of the renewal of our {approx}$1.5B facility is estimated to be {approx}$350M over five years. It is vital that the investment begin as soon as possible. The renewed APS would complement other national investments such as the National Synchrotron Light Source-II and would keep the U.S. internationally competitive.

  19. Enhanced Two-Photon Processes in Quantum Dots inside Photonic Crystal Nanocavities and Quantum Information Processing Applications

    E-Print Network [OSTI]

    Ziliang Lin; Jelena Vuckovic

    2009-07-02T23:59:59.000Z

    We show that the two-photon transition rates of quantum dots coupled to nanocavities are enhanced by up to 8 orders of magnitude relative to quantum dots in bulk host. We then propose how to take advantage of this enhancement to implement coherent quantum dot excitation by two-photon absorption, entangled photon pair generation by two-photon spontaneous emission, and single-photon generation at telecommunication wavelengths by two-photon stimulated and spontaneous emission.

  20. (Environmental technology)

    SciTech Connect (OSTI)

    Boston, H.L.

    1990-10-12T23:59:59.000Z

    The traveler participated in a conference on environmental technology in Paris, sponsored by the US Embassy-Paris, US Environmental Protection Agency (EPA), the French Environmental Ministry, and others. The traveler sat on a panel for environmental aspects of energy technology and made a presentation on the potential contributions of Oak Ridge National Laboratory (ORNL) to a planned French-American Environmental Technologies Institute in Chattanooga, Tennessee, and Evry, France. This institute would provide opportunities for international cooperation on environmental issues and technology transfer related to environmental protection, monitoring, and restoration at US Department of Energy (DOE) facilities. The traveler also attended the Fourth International Conference on Environmental Contamination in Barcelona. Conference topics included environmental chemistry, land disposal of wastes, treatment of toxic wastes, micropollutants, trace organics, artificial radionuclides in the environment, and the use biomonitoring and biosystems for environmental assessment. The traveler presented a paper on The Fate of Radionuclides in Sewage Sludge Applied to Land.'' Those findings corresponded well with results from studies addressing the fate of fallout radionuclides from the Chernobyl nuclear accident. There was an exchange of new information on a number of topics of interest to DOE waste management and environmental restoration needs.

  1. SELECTING INFORMATION TECHNOLOGY SECURITY

    E-Print Network [OSTI]

    April 2004 SELECTING INFORMATION TECHNOLOGY SECURITY PRODUCTS Shirley Radack, Editor Computer Security Division Information Technology Laboratory National Institute of Standards and Technology Information technology security prod ucts are essential to better secure infor mation technology (IT) systems

  2. Detecting phonon blockade with photons

    SciTech Connect (OSTI)

    Didier, Nicolas; Pugnetti, Stefano; Fazio, Rosario [NEST, Scuola Normale Superiore and Istituto di Nanoscienze - CNR, Pisa (Italy); Blanter, Yaroslav M. [Kavli Institute of Nanoscience, Delft University of Technology, Lorentzweg 1, 2628 CJ Delft (Netherlands)

    2011-08-01T23:59:59.000Z

    Measuring the quantum dynamics of a mechanical system, when few phonons are involved, remains a challenge. We show that a superconducting microwave resonator linearly coupled to the mechanical mode constitutes a very powerful probe for this scope. This new coupling can be much stronger than the usual radiation pressure interaction by adjusting a gate voltage. We focus on the detection of phonon blockade, showing that it can be observed by measuring the statistics of the light in the cavity. The underlying reason is the formation of an entangled state between the two resonators. Our scheme realizes a phonotonic Josephson junction, giving rise to coherent oscillations between phonons and photons as well as a self-trapping regime for a coupling smaller than a critical value. The transition from the self-trapping to the oscillating regime is also induced dynamically by dissipation.

  3. Photon propagator for axion electrodynamics

    SciTech Connect (OSTI)

    Itin, Yakov [Institute of Mathematics, Hebrew University of Jerusalem, Givat Ram, Jerusalem, 91904 (Israel) and Jerusalem College of Technology, P.O.B. 16031, Jerusalem, 91160 (Israel)

    2007-10-15T23:59:59.000Z

    The axion modified electrodynamics is usually used as a model for description of possible violation of Lorentz invariance in field theory. The low-energy manifestation of Lorentz violation can hopefully be observed in experiments with electromagnetic waves. It justifies the importance of studying how a small axion addition can modify the wave propagation. Although a constant axion does not contribute to the dispersion relation at all, even a slowly varying axion field destroys the light cone structure. In this paper, we study the wave propagation in the axion modified electrodynamics in the framework of the premetric approach. In addition to the modified dispersion relation, we derive the axion generalization of the photon propagator in Feynman and Landau gauge. Our consideration is free of the usual restriction to the constant gradient axion field. It is remarkable that the axion modified propagator is Hermitian. Consequently, the dissipation effects are absent even in the phenomenological model considered here.

  4. Scalable, efficient ion-photon coupling with phase Fresnel lenses for large-scale quantum computing

    E-Print Network [OSTI]

    E. W. Streed; B. G. Norton; J. J. Chapman; D. Kielpinski

    2008-05-16T23:59:59.000Z

    Efficient ion-photon coupling is an important component for large-scale ion-trap quantum computing. We propose that arrays of phase Fresnel lenses (PFLs) are a favorable optical coupling technology to match with multi-zone ion traps. Both are scalable technologies based on conventional micro-fabrication techniques. The large numerical apertures (NAs) possible with PFLs can reduce the readout time for ion qubits. PFLs also provide good coherent ion-photon coupling by matching a large fraction of an ion's emission pattern to a single optical propagation mode (TEM00). To this end we have optically characterized a large numerical aperture phase Fresnel lens (NA=0.64) designed for use at 369.5 nm, the principal fluorescence detection transition for Yb+ ions. A diffraction-limited spot w0=350+/-15 nm (1/e^2 waist) with mode quality M^2= 1.08+/-0.05 was measured with this PFL. From this we estimate the minimum expected free space coherent ion-photon coupling to be 0.64%, which is twice the best previous experimental measurement using a conventional multi-element lens. We also evaluate two techniques for improving the entanglement fidelity between the ion state and photon polarization with large numerical aperture lenses.

  5. Constraining solar hidden photons using HPGe detector

    E-Print Network [OSTI]

    R. Horvat; D. Kekez; M. Krcmar; Z. Krecak; A. Ljubicic

    2013-03-25T23:59:59.000Z

    In this Letter we report on the results of our search for photons from a U(1) gauge factor in the hidden sector of the full theory. With our experimental setup we observe the single spectrum in a HPGe detector arising as a result of the photoelectric-like absorption of hidden photons emitted from the Sun on germanium atoms inside the detector. The main ingredient of the theory used in our analysis, a severely constrained kinetic mixing from the two U(1) gauge factors and massive hidden photons, entails both photon into hidden state oscillations and a minuscule coupling of hidden photons to visible matter, of which the latter our experimental setup has been designed to observe. On a theoretical side, full account was taken of the effects of refraction and damping of photons while propagating in Sun's interior as well as in the detector. We exclude hidden photons with kinetic couplings chi > (2.2 x 10^{-13}- 3 x 10^{-7}) in the mass region 0.2 eV < m_gamma' < 30 keV. Our constraints on the mixing parameter chi in the mass region from 20 eV up to 15 keV prove even slightly better then those obtained recently by using data from the CAST experiment, albeit still somewhat weaker than those obtained from solar and HB stars lifetime arguments.

  6. Weightlessness of photons: A quantum effect

    E-Print Network [OSTI]

    Ari Brynjolfsson

    2006-02-17T23:59:59.000Z

    Contrary to general belief, the Fraunhofer lines have been found to be plasma redshifted and not gravitationally redshifted, when observed on Earth. Quantum mechanical effects cause the photons' gravitational redshift to be reversed as the photons move from the Sun to the Earth. The designs of the experiments, which were thought to have proven the gravitational redshift of photons, are all in the domain of classical physics, and make it impossible to detect the reversal of the gravitational redshifts. The solar redshift experiments, however, are in the domain of quantum mechanics; and the reversal of the redshift is easily detected, when the plasma redshift is taken into account. The photons are found to be weightless relative to a local observer, but repelled relative to a distant observer. The weightlessness of the photons in the gravitational field relative to a local observer is inconsistent with Einstein's equivalence principle. This together with the plasma redshift has profound consequences for the cosmological perspectives. This article gives a theoretical explanation of the observed phenomena, proper interpretation of the many gravitational redshift experiments, and an understanding of how we missed observing the reversal of photons' gravitational redshift. The present analysis indicates that although the photons are weightless in a local system of reference, the experimental evidence indicates that quasi-static electromagnetic fields are not weightless, but adhere to the principle of equivalence.

  7. arXiv:quant-ph/0104054v58Jun2004 Entanglement Concentration of Individual Photon Pairs via Linear Optical Logic

    E-Print Network [OSTI]

    Texas at Austin. University of

    Optical Logic Chuanwei Zhang Department of Physics and Center for Nonlinear Dynamics, The University polarization-entangled state of individual photon pairs. The scheme uses only simple linear optical elements and may be feasible within current optical technology. PACS numbers: 03.67.-a, 03.65.Bz, 42.50.-p, 89.70+c

  8. A photon-pair source with controllable delay based on shaped inhomogeneous broadening of rare-earth doped solids

    E-Print Network [OSTI]

    Pavel Sekatski; Nicolas Sangouard; Nicolas Gisin; Hugues de Riedmatten; Mikael Afzelius

    2011-01-31T23:59:59.000Z

    Spontaneous Raman emission in atomic gases provides an attractive source of photon pairs with a controllable delay. We show how this technique can be implemented in solid state systems by appropriately shaping the inhomogeneous broadening. Our proposal is eminently feasible with current technology and provides a realistic solution to entangle remote rare-earth doped solids in a heralded way.

  9. Photon-pair source with controllable delay based on shaped inhomogeneous broadening of rare-earth-metal-doped solids

    SciTech Connect (OSTI)

    Sekatski, Pavel; Sangouard, Nicolas; Gisin, Nicolas; Afzelius, Mikael [Group of Applied Physics, University of Geneva, CH-1211 Geneva 4 (Switzerland); Riedmatten, Hugues de [Group of Applied Physics, University of Geneva, CH-1211 Geneva 4 (Switzerland); ICFO-Institute of Photonic Sciences, Mediterranean Technology Park, E-08860 Castelldefels (Barcelona) (Spain); ICREA-Institucio Catalana de Recerca i Estudis Avancats, E-08015 Barcelona (Spain)

    2011-05-15T23:59:59.000Z

    Spontaneous Raman emission in atomic gases provides an attractive source of photon pairs with a controllable delay. We show how this technique can be implemented in solid state systems by appropriately shaping the inhomogeneous broadening. Our proposal is eminently feasible with current technology and provides a realistic solution to entangle remote rare-earth-metal-doped solids in a heralded way.

  10. Resolving the Electron Transfer Kinetics in the Bacterial Reaction Center by Pulse Polarized 2-D Photon Echo Spectroscopy

    E-Print Network [OSTI]

    Mukamel, Shaul

    : Energy Conversion and Storage; Energy and Charge Transport In the reaction centers (RCs) of purple with highest energy conversion efficiencies.2-4 Recent developments in laser technology allow one to follow Photon Echo Spectroscopy Benjamin P. Fingerhut* and Shaul Mukamel* Chemistry Department, University

  11. Photonics West Micromachinig and Microfabrication

    E-Print Network [OSTI]

    Miller, David A. B.

    Components and Sensor Systems, 3001 Leuven, Belgium b) Research Center J√ľlich, Institute of Photovoltaic Conference on MOEMS and Miniaturized Systems III (mf05) THIN FILM TECHNOLOGY BASED MICRO-FOURIER SPECTROMETER of size, cost and performance. Consequently, several interferometers and spectrometer concepts have been

  12. Photon pair generation in birefringent optical fibers

    E-Print Network [OSTI]

    Brian J. Smith; P. Mahou; Offir Cohen; J. S. Lundeen; I. A. Walmsley

    2010-02-09T23:59:59.000Z

    We study both experimentally and theoretically the generation of photon pairs by spontaneous four-wave mixing (SFWM) in standard birefringent optical fibers. The ability to produce a range of two-photon spectral states, from highly correlated (entangled) to completely factorable, by means of cross-polarized birefringent phase matching, is explored. A simple model is developed to predict the spectral state of the photon pair which shows how this can be adjusted by choosing the appropriate pump bandwidth, fiber length and birefringence. Spontaneous Raman scattering is modeled to determine the tradeoff between SFWM and background Raman noise, and the predicted results are shown to agree with experimental data.

  13. Novel photonic crystal cavities and related structures.

    SciTech Connect (OSTI)

    Luk, Ting Shan

    2007-11-01T23:59:59.000Z

    The key accomplishment of this project is to achieve a much more in-depth understanding of the thermal emission physics of metallic photonic crystal through theoretical modeling and experimental measurements. An improved transfer matrix technique was developed to enable incorporation of complex dielectric function. Together with microscopic theory describing emitter radiative and non-radiative relaxation dynamics, a non-equilibrium thermal emission model is developed. Finally, experimental methodology was developed to measure absolute emissivity of photonic crystal at high temperatures with accuracy of +/-2%. Accurate emissivity measurements allow us to validate the procedure to treat the effect of the photonic crystal substrate.

  14. Technology disrupted

    SciTech Connect (OSTI)

    Papatheodorou, Y. [CH2M Hill (United States)

    2007-02-15T23:59:59.000Z

    Three years ago, the author presented a report on power generation technologies which in summary said 'no technology available today has the potential of becoming transformational or disruptive in the next five to ten years'. In 2006 the company completed another strategic view research report covering the electric power, oil, gas and unconventional energy industries and manufacturing industry. This article summarises the strategic view findings and then revisits some of the scenarios presented in 2003. The cost per megawatt-hour of the alternatives is given for plants ordered in 2005 and then in 2025. The issue of greenhouse gas regulation is dealt with through carbon sequestration and carbon allowances or an equivalent carbon tax. Results reveal substantial variability through nuclear power, hydro, wind, geothermal and biomass remain competitive through every scenario. Greenhouse gas scenario analysis shows coal still be viable, albeit less competitive against nuclear and renewable technologies. A carbon tax or allowance at $24 per metric ton has the same effect on IGCC cost as a sequestration mandate. However, the latter would hurt gas plants much more than a tax or allowance. Sequestering CO{sub 2} from a gas plant is almost as costly per megawatt-hour as for coal. 5 refs., 5 figs., 5 tabs.

  15. Emerging technologies

    SciTech Connect (OSTI)

    Lu, Shin-yee

    1993-03-01T23:59:59.000Z

    The mission of the Emerging Technologies thrust area at Lawrence Livermore National Laboratory is to help individuals establish technology areas that have national and commercial impact, and are outside the scope of the existing thrust areas. We continue to encourage innovative ideas that bring quality results to existing programs. We also take as our mission the encouragement of investment in new technology areas that are important to the economic competitiveness of this nation. In fiscal year 1992, we have focused on nine projects, summarized in this report: (1) Tire, Accident, Handling, and Roadway Safety; (2) EXTRANSYT: An Expert System for Advanced Traffic Management; (3) Odin: A High-Power, Underwater, Acoustic Transmitter for Surveillance Applications; (4) Passive Seismic Reservoir Monitoring: Signal Processing Innovations; (5) Paste Extrudable Explosive Aft Charge for Multi-Stage Munitions; (6) A Continuum Model for Reinforced Concrete at High Pressures and Strain Rates: Interim Report; (7) Benchmarking of the Criticality Evaluation Code COG; (8) Fast Algorithm for Large-Scale Consensus DNA Sequence Assembly; and (9) Using Electrical Heating to Enhance the Extraction of Volatile Organic Compounds from Soil.

  16. Venus Technology Plan Venus Technology Plan

    E-Print Network [OSTI]

    Rathbun, Julie A.

    Venus Technology Plan May 2014 #12; ii Venus Technology Plan At the Venus Exploration Survey priorities, and (3) develop a Technology Plan for future Venus missions (after a Technology Forum at VEXAG Meeting 11 in November 2013). Here, we present the 2014 Venus Technology Plan

  17. Fuel Cell Technologies Office Science and Technology Policy Fellowship...

    Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

    Cell Technologies Office Science and Technology Policy Fellowship Opportunities Available Fuel Cell Technologies Office Science and Technology Policy Fellowship Opportunities...

  18. Integrated microwave and millimeter-wave phased-array designs in silicon technologies

    E-Print Network [OSTI]

    Koh, Kwang-Jin

    2008-01-01T23:59:59.000Z

    for 2-GHz WCDMA direct-conversion transceiver,Ē IEEE J.for 2-GHz WCDMA direct-conversion transceiver,Ē IEEE J.

  19. 1057-7149 (c) 2013 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission. See http://www.ieee.org/publications_standards/publications/rights/index.html for more information.

    E-Print Network [OSTI]

    Yazici, Birsen

    of implementation, and stealth. Copyright (c) 2013 IEEE. Personal use of this material is permitted. However have significant cost, manufacturing, and stealth advantages over active systems. We describe a novel, permission to use this material for any other purposes must be obtained from the IEEE by sending a request

  20. The College of Optics & Photonics 1 Industrial Affiliates Day

    E-Print Network [OSTI]

    Van Stryland, Eric

    3/7/14 1 CREOL The College of Optics & Photonics 1 Industrial Affiliates Day 2014 Symposium Advances in Optics & Photonics CREOLThe College of Optics and Photonics CREOL The College of Optics & Photonics 2 MJ Soileau V.P. for Research & Commercialization Professor of Optics, ECE & Physics Founder

  1. Lighting affects appearance LightSource emits photons

    E-Print Network [OSTI]

    Jacobs, David

    1 Lighting affects appearance #12;2 LightSource emits photons Photons travel in a straight line). And then some reach the eye/camera. #12;3 Basic fact: Light is linear Double intensity of sources, double photons reaching eye. Turn on two lights, and photons reaching eye are same as sum of number when each

  2. Nonlinear stimulated Brillouin scattering based photonic signal processors

    SciTech Connect (OSTI)

    Minasian, Robert A. [School of Electrical and Information Engineering, Institute of Photonics and Optical Science, University of Sydney, NSW, Sydney, 2006 (Australia)

    2014-10-06T23:59:59.000Z

    Recent new methods in photonic signal processing based on stimulated Brillouin scattering, that enable the realization of photonic mixers with high conversion efficiency, ultra-wide continuously tunable high-resolution microwave photonic filters and programmable switchable microwave photonic tunable filters, are presented. These processors provide new capabilities for the realisation of high-performance and high-resolution signal processing.

  3. Strategic Use of Information Technology - Google

    E-Print Network [OSTI]

    Chen, Rex; Lam, Oisze; Kraemer, Kenneth

    2007-01-01T23:59:59.000Z

    Architecture." IEEE Micro. Battelle, J. (2005) The Search:WWW Wanderer Source: Battelle, 2005. University McGillInktomi Google Source: Battelle, 2005. University University

  4. Photon-photon gate via the interaction between two collective Rydberg excitations

    E-Print Network [OSTI]

    Mohammadsadegh Khazali; Khabat Heshami; Christoph Simon

    2014-07-28T23:59:59.000Z

    We propose a scheme for a deterministic controlled-phase gate between two photons based on the strong interaction between two stationary collective Rydberg excitations in an atomic ensemble. The distance-dependent character of the interaction causes both a momentum displacement of the collective excitations and unwanted entanglement between them. We show that these effects can be overcome by swapping the collective excitations in space and by optimizing the geometry, resulting in a photon-photon gate with high fidelity and efficiency.

  5. Ultrafast photon-photon interaction in a strongly coupled quantum dot-cavity system

    E-Print Network [OSTI]

    Dirk Englund; Arka Majumdar; Michal Bajcsy; Andrei Faraon; Pierre Petroff; Jelena vuckovic

    2011-07-14T23:59:59.000Z

    We study dynamics of the interaction between two weak light beams mediated by a strongly coupled quantum dot-photonic crystal cavity system. First, we perform all optical switching of a weak continuous-wave signal with a pulsed control beam, and then perform switching between two pulsed beams (40ps pulses) at the single photon level. Our results show that the quantum dot-nanocavity system creates strong, controllable interactions at the single photon level.

  6. Tritium Technology at CNL

    Office of Environmental Management (EM)

    -11- UNRESTRICTED ILLIMIT * Use of tritium decay-energy as power source * Convert high-energy electrons into low-voltage current * Two methods: * Indirect: beta photons ...

  7. 1618 IEEE TRANSACTIONS ON NUCLEAR SCIENCE, VOL. 51, NO. 4, AUGUST 2004 4 Compton Imaging Using a 3-D Position-Sensitive

    E-Print Network [OSTI]

    He, Zhong

    Engineering and Health Physics Fellowship sponsored by the U.S. Department of Energy Office of Nuclear Energy1618 IEEE TRANSACTIONS ON NUCLEAR SCIENCE, VOL. 51, NO. 4, AUGUST 2004 4 Compton Imaging Using a 3, Student Member, IEEE, Zhong He, Senior Member, IEEE, and Feng Zhang, Student Member, IEEE Abstract

  8. Accepted for presentation at the 45th Midwest Symposium on Circuits and Systems, August 4-7, 2002, Tulsa, Oklahoma. Copyright IEEE 2002.

    E-Print Network [OSTI]

    , Tulsa, Oklahoma. Copyright IEEE 2002. TRANSFORMS FOR CONTINUOUS TIME SYSTEM MODELING Tran Thong1 , James

  9. IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS--II: EXPRESS BRIEFS, VOL. 59, NO. 4, APRIL 2012 193 Universal Principles for Ultra Low Power

    E-Print Network [OSTI]

    Sarpeshkar, Rahul

    Universal Principles for Ultra Low Power and Energy Efficient Design Rahul Sarpeshkar, Senior Member, IEEE

  10. Science Highlights 2008 | Advanced Photon Source

    Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

    Photon Source, have found a window into the process of water drop coalescence, employing ultrafast pulses of full-spectrum, high-intensity x-rays to capture with unprecedented...

  11. Advanced Photon Source Upgrade Project - Energy

    ScienceCinema (OSTI)

    Gibson, Murray; Chamberlain, Jeff; Young, Linda

    2013-04-19T23:59:59.000Z

    An upgrade to the Advanced Photon Source (announced by DOE - http://go.usa.gov/ivZ) will help scientists better understand complex environments such as in catalytic reactions.

  12. High index contrast platform for silicon photonics

    E-Print Network [OSTI]

    Akiyama, Shoji, 1972-

    2004-01-01T23:59:59.000Z

    This thesis focuses on silicon-based high index contrast (HIC) photonics. In addition to mature fiber optics or low index contrast (LIC) platform, which is often referred to as Planar Lightwave Cirrcuit (PLC) or Silica ...

  13. FY 2006 Infrared Photonics Final Report

    SciTech Connect (OSTI)

    Anheier, Norman C.; Allen, Paul J.; Bernacki, Bruce E.; Ho, Nicolas; Krishnaswami, Kannan; Qiao, Hong (Amy); Schultz, John F.

    2006-12-28T23:59:59.000Z

    Research done by the Infrared Photonics team at Pacific Northwest National Laboratory (PNNL) is focused on developing miniaturized integrated optics and optical fiber processing methods for mid-wave infrared (MWIR) and long-wave infrared (LWIR) sensing applications by exploiting the unique optical and material properties of chalcogenide glass. PNNL has developed thin-film deposition capabilities, direct laser writing techniques, infrared photonic device demonstration, holographic optical element design and fabrication, photonic device modeling, and advanced optical metrologyóall specific to chalcogenide glass. Chalcogenide infrared photonics provides a pathway to quantum cascade laser (QCL) transmitter miniaturization. The high output power, small size, and superb stability and modulation characteristics of QCLs make them amenable for integration as transmitters into ultra-sensitive, ultra-selective point sampling and remote short-range chemical sensors that are particularly useful for nuclear nonproliferation missions.

  14. Integration of silicon photonics into electronic processes

    E-Print Network [OSTI]

    Orcutt, Jason S.

    Front-end monolithic integration has enabled photonic devices to be fabricated in bulk and thin-SOI CMOS as well as DRAM electronics processes. Utilizing the CMOS generic process model, integration was accomplished on ...

  15. New information on photon fragmentation functions

    E-Print Network [OSTI]

    M. Klasen; F. KŲnig

    2014-05-23T23:59:59.000Z

    Thermal photons radiated in heavy-ion collisions represent an important signal for a recently discovered new state of matter, the deconfined quark-gluon plasma. However, a clean identification of this signal requires precise knowledge of the prompt photons produced simultaneously in hard collisions of quarks and gluons, mostly through their fragmentation. In this paper, we demonstrate that PHENIX data on photons produced in proton-proton collisions with low transverse momenta allow to extract new information on this fragmentation process. While existing data do not yet convincingly favor one parameterization (BFG II) over the two other frequently used photon fragmentation functions (BFG I and GRV NLO), the data sets recorded by PHENIX and STAR at BNL RHIC in 2013 with tenfold higher statistics should allow for such an analysis.

  16. CMOS photonic processor-memory networks

    E-Print Network [OSTI]

    Stojanovic, Vladimir Marko

    This paper presents a monolithically integrated dense WDM photonic network for manycore processors, optimized for loss and power footprint of optical components, which can achieve up to 10x better energy-efficiency and ...

  17. Advanced Photon Source Upgrade Project - Materials

    ScienceCinema (OSTI)

    Gibbson, Murray;

    2013-04-19T23:59:59.000Z

    An upgrade to Advanced Photon Source announced by DOE - http://go.usa.gov/ivZ -- will help scientists break through bottlenecks in materials design in order to develop materials with desirable functions.

  18. Heavy photon search experiment at JLAB

    SciTech Connect (OSTI)

    Stepanyan, S. [Jefferson Lab, Newport News, VA (United States); Collaboration: HPS Collaboration

    2013-11-07T23:59:59.000Z

    The Heavy Photon Search (HPS) experiment in Hall-B at Jefferson Lab will search for new heavy vector boson(s), aka 'heavy photons', in the mass range of 20 MeV/c{sup 2} to 1000 MeV/c{sup 2} using the scattering of high energy, high intensity electron beams off a high Z target. The proposed measurements will cover the region of parameter space favored by the muon g-2 anomaly, and will explore a significant region of parameter space, not only at large couplings (??/? > 10{sup ?7}), but also in the regions of small couplings, down to ??/??10{sup ?10}. The excellent vertexing capability of the Si-tracker uniquely enables HPS to cover the small coupling region. Also, HPS will search for heavy photons in an alternative to the e{sup +}e{sup ?} decay mode, in the heavy photon's decay to ?{sup +}??.

  19. Highly Retrievable Spinwave-Photon Entanglement Source

    E-Print Network [OSTI]

    Sheng-Jun Yang; Xu-Jie Wang; Jun Li; Jun Rui; Xiao-Hui Bao; Jian-Wei Pan

    2015-05-03T23:59:59.000Z

    Entanglement between a single photon and a quantum memory forms the building blocks for quantum repeater and quantum network. Previous entanglement sources are typically with low retrieval efficiency, which limits future larger-scale applications. Here, we report a source of highly retrievable spinwave-photon entanglement. Polarization entanglement is created through interaction of a single photon with ensemble of atoms inside a low-finesse ring cavity. The cavity is engineered to be resonant for dual spinwave modes, which thus enables efficient retrieval of the spinwave qubit. An intrinsic retrieval efficiency up to 76(4)% has been observed. Such a highly retrievable atom-photon entanglement source will be very useful in future larger-scale quantum repeater and quantum network applications.

  20. Photonic spin Hall effect in topological insulators

    E-Print Network [OSTI]

    Zhou, Xinxing; Ling, Xiaohui; Chen, Shizhen; Luo, Hailu; Wen, Shuangchun

    2013-01-01T23:59:59.000Z

    In this paper we theoretically investigate the photonic spin Hall effect (SHE) of a Gaussian beam reflected from the interface between air and topological insulators (TIs). The photonic SHE is attributed to spin-orbit coupling and manifests itself as in-plane and transverse spin-dependent splitting. We reveal that the spin-orbit coupling effect in TIs can be routed by adjusting the axion angle variations. Unlike the transverse spin-dependent splitting, we find that the in-plane one is sensitive to the axion angle. It is shown that the polarization structure in magneto-optical Kerr effect is significantly altered due to the spin-dependent splitting in photonic SHE. We theoretically propose a weak measurement method to determine the strength of axion coupling by probing the in-plane splitting of photonic SHE.