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Opt Express. 2011 Oct 24;19(22):22316-21. doi: 10.1364/OE.19.022316.

GHz optomechanical resonators with high mechanical Q factor in air.

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  • 1Department of Electrical Engineering, Yale University, 15 Prospect St., New Haven, CT 06511, USA.


We demonstrate wheel-shaped silicon optomechanical resonators for resonant operation in ambient air. The high finesse of optical whispering gallery modes (loaded optical Q factor above 500,000) allows for efficient transduction of the wheel resonator's mechanical radial contour modes of frequency up to 1.35 GHz with high mechanical Q factor around 4,000 in air.

© 2011 Optical Society of America

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