Precision measurement of electrical charges in an optomechanical system beyond linearized dynamics

Nonlinear interactions between cavity fields and mechanical oscillation in an optomechanical system coupled to a charged object are treated analytically, and the features of second-order sideband generation are discussed, which is beyond the conventional linearized description of optomechanical inte...

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Bibliographic Details
Published inApplied physics letters Vol. 110; no. 17
Main Authors Xiong, Hao, Si, Liu-Gang, Wu, Ying
Format Journal Article
LanguageEnglish
Published Melville American Institute of Physics 24.04.2017
Subjects
Applied physics
Linearization
Nonlinearity
Radiation pressure
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Summary:Nonlinear interactions between cavity fields and mechanical oscillation in an optomechanical system coupled to a charged object are treated analytically, and the features of second-order sideband generation are discussed, which is beyond the conventional linearized description of optomechanical interactions. We show that resonantly enhanced feedback-backaction arising from radiation pressure can be substantively modified in the presence of electric interactions, which results in tunable optical nonlinearity and convenient optomechanical control. Especially, the system exhibits a remarkable electrical-charge dependent generation of the frequency component at the second-order sideband, which enables a potentially practical scheme for precision measurement of charges.
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ISSN:0003-6951
1077-3118
DOI:10.1063/1.4982167