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arXiv · 1206.2099

Optimized optomechanical crystal cavity with acoustic radiation shield

Jasper Chan·Amir H. Safavi-Naeini·Jeff T. Hill·Sean Meenehan·Oskar Painter
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Abstract

We present the design of an optomechanical crystal nanobeam cavity that combines finite-element simulation with numerical optimization, and considers the optomechanical coupling arising from both moving dielectric boundaries and the photo-elastic effect. Applying this methodology results in a nanobeam with an experimentally realized intrinsic optical Q-factor of 1.2x10^6, a mechanical frequency of 5.1GHz, a mechanical Q-factor of 6.8x10^5 (at T=10K), and a zero-point-motion optomechanical coupling rate of g=1.1MHz.

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Jasper Chan, Amir H. Safavi-Naeini, Jeff T. Hill, Sean Meenehan, Oskar Painter. 2012-06-11. Optimized optomechanical crystal cavity with acoustic radiation shield. https://doi.org/10.1063/1.4747726

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