Background-free balanced optical cross correlator
Abstract
A balanced optical cross correlator includes an optical waveguide, a first photodiode including a first n-type semiconductor and a first p-type semiconductor positioned about the optical waveguide on a first side of the optical waveguide's point of symmetry, and a second photodiode including a second n-type semiconductor and a second p-type semiconductor positioned about the optical waveguide on a second side of the optical waveguide's point of symmetry. A balanced receiver including first and second inputs is configured to produce an output current or voltage that reflects a difference in currents or voltages, originating from the first and the second photodiodes of the balanced cross correlator and fed to the first input and to the second input of the balanced receiver.
- Inventors:
- Issue Date:
- Research Org.:
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1166014
- Patent Number(s):
- 8916813
- Application Number:
- 13/613,257
- Assignee:
- Massachusetts Institute of Technology (Cambridge, MA)
- Patent Classifications (CPCs):
-
G - PHYSICS G01 - MEASURING G01J - MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT
- DOE Contract Number:
- SC0005262
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 43 PARTICLE ACCELERATORS; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Citation Formats
Nejadmalayeri, Amir Hossein, and Kaertner, Franz X. Background-free balanced optical cross correlator. United States: N. p., 2014.
Web.
Nejadmalayeri, Amir Hossein, & Kaertner, Franz X. Background-free balanced optical cross correlator. United States.
Nejadmalayeri, Amir Hossein, and Kaertner, Franz X. Tue .
"Background-free balanced optical cross correlator". United States. https://www.osti.gov/servlets/purl/1166014.
@article{osti_1166014,
title = {Background-free balanced optical cross correlator},
author = {Nejadmalayeri, Amir Hossein and Kaertner, Franz X},
abstractNote = {A balanced optical cross correlator includes an optical waveguide, a first photodiode including a first n-type semiconductor and a first p-type semiconductor positioned about the optical waveguide on a first side of the optical waveguide's point of symmetry, and a second photodiode including a second n-type semiconductor and a second p-type semiconductor positioned about the optical waveguide on a second side of the optical waveguide's point of symmetry. A balanced receiver including first and second inputs is configured to produce an output current or voltage that reflects a difference in currents or voltages, originating from the first and the second photodiodes of the balanced cross correlator and fed to the first input and to the second input of the balanced receiver.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2014},
month = {12}
}
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