Carmon, Tal and Vahala, Kerry J. (2007) Modal Spectroscopy of Optoexcited Vibrations of a Micron-Scale On-Chip Resonator at Greater than 1 GHz Frequency. Physical Review Letters, 98 (12). Art. No. 123901. ISSN 0031-9007. https://resolver.caltech.edu/CaltechAUTHORS:CARprl07
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Abstract
We analyze experimentally and theoretically >1 GHz optoexcited mechanical vibration in an on-chip micron-scaled sphere. Different eigen-mechanical modes are excited upon demand by the centrifugal radiation pressure of the optical whispering-gallery-mode, enabling an optomechanical modal spectroscopy investigation of many vibrational modes. Spectral analysis of the light emitted from the device enables deduction of its natural vibrational modes in analogy with spectroscopy of a molecule's vibrational levels, and its eccentricity perturbation is shown to induce spectral splitting.
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| Additional Information: | ©2007 The American Physical Society. (Received 5 July 2006; revised 23 October 2006; published 20 March 2007) We acknowledge support from the Caltech Lee Center and DARPA. Carmon acknowledges support from the Center for the Physics of Information and discussions with Hongzing Tang. | ||||||
| Issue or Number: | 12 | ||||||
| Record Number: | CaltechAUTHORS:CARprl07 | ||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:CARprl07 | ||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||
| ID Code: | 7660 | ||||||
| Collection: | CaltechAUTHORS | ||||||
| Deposited By: | Archive Administrator | ||||||
| Deposited On: | 20 Mar 2007 | ||||||
| Last Modified: | 09 Mar 2020 13:19 |
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