Cavity optomechanics with ultrahigh-Q crystalline microresonators
Journal Article
·
· Physical Review. A
- Max Planck Institut fuer Quantenoptik, D-85748 Garching (Germany)
We present the observation of optomechanical coupling in crystalline whispering-gallery-mode (WGM) resonators. The high purity of the material enables optical quality factors in excess of 10{sup 10} and finesse exceeding 10{sup 6}, as well as mechanical quality factors greater than 10{sup 5}. Ultrasensitive displacement measurements reveal mechanical radial modes at frequencies up to 20 MHz, corresponding to unprecedentedly high sideband factors (>100). In combination with the weak intrinsic mechanical damping this renders crystalline WGM microresonators promising for experiments in the classical and quantum regime of optomechanics.
- OSTI ID:
- 21456951
- Journal Information:
- Physical Review. A, Vol. 82, Issue 3; Other Information: DOI: 10.1103/PhysRevA.82.031804; (c) 2010 The American Physical Society; ISSN 1050-2947
- Country of Publication:
- United States
- Language:
- English
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