Quadrature squeezing of a higher-order sideband spectrum in cavity optomechanics

We propose an efficient scheme to generate quadrature squeezing of a higher-order sideband spectrum in an optomechanical system. This is achieved by exploiting a well-established optomechanical circumstance, where a second-order nonlinearity is embedded into the optomechanical cavity driven by a str...

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Bibliographic Details
Published in:Optics letters 2018-01, Vol.43 (1), p.9-12
Main Authors: Liu, Shaopeng, Yang, Wen-Xing, Zhu, Zhonghu, Shui, Tao, Li, Ling
Format: Article
Language:English
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Summary:We propose an efficient scheme to generate quadrature squeezing of a higher-order sideband spectrum in an optomechanical system. This is achieved by exploiting a well-established optomechanical circumstance, where a second-order nonlinearity is embedded into the optomechanical cavity driven by a strong control field and a weak probe pulse. Using experimentally achievable parameters, we demonstrate that the second-order nonlinearity intensity and the frequency detuning of a control field allow us to modify the amplitude of higher-order sidebands and improve the amount of squeezing of a higher-order sideband spectrum. Furthermore, in the presence of a strong second-order nonlinearity, an optimizing quadrature squeezing of a higher-order sideband spectrum can be achieved, which provides a practical opportunity to design the squeezed frequency combs and other precision measurements.
ISSN:0146-9592
1539-4794
DOI:10.1364/OL.43.000009