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Published June 15, 2007 | public
Journal Article Open

Observation of optical spring effect in a microtoroidal optomechanical resonator


We present experimental evidence of the optical spring effect in a silica microtoroid resonator. The variation of the measured mechanical resonant frequency as a function of optical power, optical coupling, and optical detuning is in very good agreement with a model for radiation-pressure-induced rigidity in a silica microtoroid.

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© 2007 Optical Society of America Received February 6, 2007; revised April 5, 2007; accepted April 7, 2007; posted April 11, 2007 (Doc. ID 79864); published June 5, 2007 This work was supported by the Caltech Lee Center for Advanced Networking and the Caltech Center for the Physics of Information.


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