Interference effect in optomechanical stochastic resonance

Interference effect in optomechanical stochastic resonance
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光机随机共振中的干扰效应

DOI:
10.1103/physreve.98.052202
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发表时间:
2018-03
期刊:
影响因子:
2.4
通讯作者:
Qingqing Chen
Qingqing Chen
中科院分区:
物理与天体物理3区
文献类型:
--
作者:
Min Xie;Bixuan Fan;Xiaoli He;Qingqing Chen

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在这项工作中,我们研究了在一个强耦合场和两个弱信号(光场和机械力)驱动下的光机械系统(OMS)中的随机共振(SR)效应。在输入信号和系统噪声的共同作用下,观察到SR现象。信噪比曲线上除了SR共振峰外,还出现了一个额外的孔内共振峰。当两个信号共同作用于我们的系统时,可以产生光致SR和机械致SR之间的干涉效应。特别是,一个独特的拍频效应,这使得SR效果对两个信号的初始相位差的鲁棒性,出现在SR同步过程与非同步信号。
In this work, we study the stochastic resonance (SR) effect in a bistable optomechanical system (OMS) driven by a strong coupling field and two weak signals (an optical field and a mechanical force). The SR phenomena are observed at the cooperation of input signals and system noise. Except for the SR resonance peak, an additional intrawell resonance peak appears on the signal-to-noise ratio curve. When two signals co-act on our system, the interference effect between the optically induced SR and the mechanically induced SR can be generated. In particular, a unique beating effect, which makes the SR effect robust against the initial phase difference of two signals, appears in the SR synchronization process with unsynchronized signals.
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