期刊
OPTICS EXPRESS
卷 27, 期 20, 页码 29296-29307出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.27.029297
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资金
- National Key Research and Development Program of China [2016YFA0301203]
- National Natural Science Foundation of China [11975103, 11875029, 11574104]
- Fundamental Research Funds for the Central Universities HUST [2018KFYYXJJ032]
We investigate theoretically the generation and enhancement of sum sideband in a quadratically coupled optomechanical system with parametric interactions. It is shown that the generation of frequency components at the sum sideband stems from the nonlinear optomechanical interactions via two-phonon processes in the quadratically coupled optomechanical system, while an optical parametric amplifier (OPA) inside the system can considerably improve the sum sideband generation (SSG). The dependence of SSG on the system parameters, including the power of the control field, the frequency detuning of the probe fields and the nonlinear gain of OPA are analyzed in detail. Our analytic calculation indicates that the SSG can be obtained even under weak driven fields and greatly enhanced via meeting the matching conditions. The effect of SSG may have potential applications for achieving measurement of electric charge (or other weak forces) with higher precision and on-chip manipulation of light propagation. (C) 2019 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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