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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. , Pasadena, CA. (Submitted)

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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.

Item Type:Report or Paper (Discussion Paper)
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Additional Information: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.
Group:IQIM, Institute for Quantum Information and Matter
Funding AgencyGrant Number
Institute for Quantum Information and Matter (IQIM)UNSPECIFIED
NSF Physics Frontiers CenterUNSPECIFIED
Gordon and Betty Moore FoundationUNSPECIFIED
Caltech Kavli Nanoscience Institute (KNI)UNSPECIFIED
Natural Sciences and Engineering Research Council of Canada (NSERC)UNSPECIFIED
Record Number:CaltechAUTHORS:20121102-103144343
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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:27 Dec 2012 02:58

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