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Title: Control of coherent information via on-chip photonic–phononic emitter–receivers

Abstract

We report that rapid progress in integrated photonics has fostered numerous chip-scale sensing, computing and signal processing technologies. However, many crucial filtering and signal delay operations are difficult to perform with all-optical devices. Unlike photons propagating at luminal speeds, GHz-acoustic phonons moving at slower velocities allow information to be stored, filtered and delayed over comparatively smaller length-scales with remarkable fidelity. Hence, controllable and efficient coupling between coherent photons and phonons enables new signal processing technologies that greatly enhance the performance and potential impact of integrated photonics. Here we demonstrate a mechanism for coherent information processing based on travelling-wave photon–phonon transduction, which achieves a phonon emit-and-receive process between distinct nanophotonic waveguides. Using this device, physics—which supports GHz frequencies—we create wavelength-insensitive radiofrequency photonic filters with frequency selectivity, narrow-linewidth and high power-handling in silicon. More generally, this emit-receive concept is the impetus for enabling new signal processing schemes.

Authors:
 [1];  [2];  [2];  [2];  [3];  [1]
  1. Yale Univ., New Haven, CT (United States). Dept. of Applied Physics
  2. Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
  3. Univ. of Texas, Austin, TX (United States). Dept. of Electrical and Computer Engineering
Publication Date:
Research Org.:
Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)
Sponsoring Org.:
USDOE National Nuclear Security Administration (NNSA); Defense Advanced Research Projects Agency (DARPA)
OSTI Identifier:
1261095
Grant/Contract Number:  
AC04-94AL85000; FA8721-05-C-000
Resource Type:
Accepted Manuscript
Journal Name:
Nature Communications
Additional Journal Information:
Journal Volume: 6; Journal ID: ISSN 2041-1723
Publisher:
Nature Publishing Group
Country of Publication:
United States
Language:
English
Subject:
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; physical sciences; optical physics; applied physics

Citation Formats

Shin, Heedeuk, Cox, Jonathan A., Jarecki, Robert, Starbuck, Andrew, Wang, Zheng, and Rakich, Peter T. Control of coherent information via on-chip photonic–phononic emitter–receivers. United States: N. p., 2015. Web. doi:10.1038/ncomms7427.
Shin, Heedeuk, Cox, Jonathan A., Jarecki, Robert, Starbuck, Andrew, Wang, Zheng, & Rakich, Peter T. Control of coherent information via on-chip photonic–phononic emitter–receivers. United States. https://doi.org/10.1038/ncomms7427
Shin, Heedeuk, Cox, Jonathan A., Jarecki, Robert, Starbuck, Andrew, Wang, Zheng, and Rakich, Peter T. Thu . "Control of coherent information via on-chip photonic–phononic emitter–receivers". United States. https://doi.org/10.1038/ncomms7427. https://www.osti.gov/servlets/purl/1261095.
@article{osti_1261095,
title = {Control of coherent information via on-chip photonic–phononic emitter–receivers},
author = {Shin, Heedeuk and Cox, Jonathan A. and Jarecki, Robert and Starbuck, Andrew and Wang, Zheng and Rakich, Peter T.},
abstractNote = {We report that rapid progress in integrated photonics has fostered numerous chip-scale sensing, computing and signal processing technologies. However, many crucial filtering and signal delay operations are difficult to perform with all-optical devices. Unlike photons propagating at luminal speeds, GHz-acoustic phonons moving at slower velocities allow information to be stored, filtered and delayed over comparatively smaller length-scales with remarkable fidelity. Hence, controllable and efficient coupling between coherent photons and phonons enables new signal processing technologies that greatly enhance the performance and potential impact of integrated photonics. Here we demonstrate a mechanism for coherent information processing based on travelling-wave photon–phonon transduction, which achieves a phonon emit-and-receive process between distinct nanophotonic waveguides. Using this device, physics—which supports GHz frequencies—we create wavelength-insensitive radiofrequency photonic filters with frequency selectivity, narrow-linewidth and high power-handling in silicon. More generally, this emit-receive concept is the impetus for enabling new signal processing schemes.},
doi = {10.1038/ncomms7427},
journal = {Nature Communications},
number = ,
volume = 6,
place = {United States},
year = {Thu Mar 05 00:00:00 EST 2015},
month = {Thu Mar 05 00:00:00 EST 2015}
}

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Cited by: 120 works
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Figures / Tables:

Figure 1 Figure 1: Travelling-wave photonic–phononic emitter–receiver (PPER). (a) Schematic of a PPER system consisting of two silicon optical waveguides (red) embedded in a phononic crystal membrane (grey). (b) Diagram showing principle of PPER operation. Red, blue and yellow curves are the optical input signal, optical output signal and transduced phonon waves,more » respectively. Information is encoded on the red wave (emitter) through amplitude modulation; transduced phonons then couple this information to a monochromatic blue wave (receiver) of disparate wavelength via parametric coupling. (c–e) Characteristic spectra showing the input (c) and output (e) optical signals and the response produced by phononic supermodes that mediate information transfer (d). In the emitter port, a pump field (ω2 = ω1+Ω) is swept relative to a local oscillator (ω1) to produce an amplitude modulated beat-note. Optical forces generated in the emitter waveguide drive the excitation of phonons. Information is transferred between the emitter and receiver ports by phonon supermodes that produce the transfer function in d (black dashed). Information is encoded on the blue probe field (ω3) of the receiver port for frequencies within the transfer function of the phononic supermodes (shaded grey in e).« less

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