Photonic micro-electromechanical systems vibrating at X-band (11-GHz) rates

Matthew Tomes, Tal Carmon*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

272 Scopus citations


We report on an opto-mechanical resonator with vibration excited by compressive radiation pressure via stimulated Brillouin scattering [SBS]. We experimentally excite a mechanical whispering-gallery mode (WGM) from an optical WGM and detect vibration via the red Doppler shifted (Stokes) light it scatters. We numerically solve the stress-strain equation to calculate the circumferentially circulating mechanical WGM and reveal mechanical WGMs with a variety of transverse shapes. Frequency in our device is limited by the shortest optical wavelength it can transmit, irrespective of device size.

Original languageEnglish
Article number113601
JournalPhysical Review Letters
Issue number11
StatePublished - 19 Mar 2009
Externally publishedYes


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