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Coherent optical wavelength conversion via cavity-optomechanics

Hill, Jeff T. and Safavi-Naeini, Amir H. and Chan, Jasper and Painter, Oskar (2012) Coherent optical wavelength conversion via cavity-optomechanics. Nature Communications, 3 (11). Art. No. 1196. ISSN 2041-1723.

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We theoretically propose and experimentally demonstrate coherent wavelength conversion of optical photons using photon-phonon translation in a cavity-optomechanical system. For an engineered silicon optomechanical crystal nanocavity supporting a 4 GHz localized phonon mode, optical signals in a 1.5 MHz bandwidth are coherently converted over a 11.2 THz frequency span between one cavity mode at wavelength 1460 nm and a second cavity mode at 1545 nm with a 93% internal (2% external) peak efficiency. The thermal and quantum limiting noise involved in the conversion process is also analyzed, and in terms of an equivalent photon number signal level are found to correspond to an internal noise level of only 6 and 4x10^(-3) quanta, respectively.

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Painter, Oskar0000-0002-1581-9209
Additional Information:© 2012 Macmillan Publishers Limited. Received 06 August 2012. Accepted 12 October 2012. Published 13 November 2012. This work was supported by the DARPA/MTO MESO program, Institute for Quantum Information and Matter, an NSF Physics Frontiers Center with support of the Gordon and Betty Moore Foundation, and the Kavli Nanoscience Institute at Caltech. JC and ASN gratefully acknowledge support from NSERC. Contributions: A.H.S.-N., J.C. and J.T.H. designed and fabricated the devices. J.T.H., along with support from A.H.S.-N. and J.C. performed the measurements. A.H.S.-N. and J.T.H. performed the data analysis. A.H.S.-N. and O.P. developed the experimental concept, and O.P. supervised the measurements and analysis. All authors worked together on writing the manuscript. Competing financial interests: The authors declare no competing financial interests.
Group:IQIM, Institute for Quantum Information and Matter, Kavli Nanoscience Institute
Funding AgencyGrant Number
Defense Advanced Research Projects Agency (DARPA)UNSPECIFIED
Institute for Quantum Information and Matter (IQIM)UNSPECIFIED
NSF Physics Frontiers CenterUNSPECIFIED
Gordon and Betty Moore FoundationUNSPECIFIED
Kavli Nanoscience InstituteUNSPECIFIED
Natural Sciences and Engineering Research Council of Canada (NSERC)UNSPECIFIED
Record Number:CaltechAUTHORS:20121102-103144343
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Official Citation:Coherent optical wavelength conversion via cavity optomechanics Jeff T. Hill, Amir H. Safavi-Naeini, Jasper Chan & Oskar Painter Nature Communications 3, Article number: 1196 doi:10.1038/ncomms2201
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:35262
Deposited By: Tony Diaz
Deposited On:03 Nov 2012 04:59
Last Modified:09 Jan 2016 02:01

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