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Electromagnetically Induced Transparency and Wideband Wavelength Conversion in Silicon Nitride Microdisk Optomechanical Resonators

Liu, Yuxiang and Davanço, Marcelo and Aksyuk, Vladimir and Srinivasan, Kartik (2013) Electromagnetically Induced Transparency and Wideband Wavelength Conversion in Silicon Nitride Microdisk Optomechanical Resonators. Physical Review Letters, 110 (22). Art. No. 223603. ISSN 0031-9007. doi:10.1103/PhysRevLett.110.223603.

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We demonstrate optomechanically mediated electromagnetically induced transparency and wavelength conversion in silicon nitride (Si_3N_4) microdisk resonators. Fabricated devices support whispering gallery optical modes with a quality factor (Q) of 10^6, and radial breathing mechanical modes with a Q = 10^4 and a resonance frequency of 625 MHz, so that the system is in the resolved sideband regime. Placing a strong optical control field on the red (blue) detuned sideband of the optical mode produces coherent interference with a resonant probe beam, inducing a transparency (absorption) window for the probe. This is observed for multiple optical modes of the device, all of which couple to the same mechanical mode, and which can be widely separated in wavelength due to the large band gap of Si_3N_4. These properties are exploited to demonstrate frequency up-conversion and down-conversion of optical signals between the 1300 and 980 nm bands with a frequency span of 69.4 THz.

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Additional Information:© 2013 American Physical Society. Received 11 February 2013; published 31 May 2013. Y. Liu and M. Davanço contributed equally to this work. We thank O. Painter for helpful discussions and loan of equipment. Y. L. acknowledges support under the NIST-ARRA Measurement Science and Engineering Fellowship Program Grant No. 70NANB10H026 through the University of Maryland. This work was partly supported by the DARPA/MTO MESO program.
Funding AgencyGrant Number
National Institute of Standards and Technology (NIST)70NANB10H026
Defense Advanced Research Projects Agency (DARPA)UNSPECIFIED
Issue or Number:22
Classification Code:PACS: 42.50.Wk, 42.50.Ct, 85.85.+j
Record Number:CaltechAUTHORS:20130712-104247507
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:39340
Deposited By: Tony Diaz
Deposited On:22 Jul 2013 18:51
Last Modified:09 Nov 2021 23:44

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