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Remote weak-signal measurement via bound states in optomechanical systems
Communications in Theoretical Physics ( IF 3.1 ) Pub Date : 2021-01-16 , DOI: 10.1088/1572-9494/abd0e8
Xun Li 1, 2 , Biao Xiong 2 , Shilei Chao 2 , Chengsong Zhao 2 , Hua-Tang Tan 3 , Ling Zhou 2
Affiliation  

A scheme for remote weak-signal sensors is proposed, in which a coupled-resonator optical waveguide(CROW), as a transmitter, couples to a hybrid optomechanical cavity and an observing cavity at its two ends. Non-Markovian theory is employed to study the weak-force sensor by treating the CROW as a non-Markovian reservoir of cavity fields. The dissipationless bound states in the non-Markovian regime are conducive to remotely transmitting a signal in the CROW. Our results show that a sensor with ultrahigh sensitivity can be achieved with the assistance of bound states under certain parameter regimes.



中文翻译:

通过光机械系统中的束缚态进行远程弱信号测量

提出了一种用于远程弱信号传感器的方案,其中,作为发射器的耦合谐振器光波导(CROW)耦合到混合光机腔和两端的观测腔。非马尔可夫理论通过将CROW视为腔场的非马尔可夫储层来研究弱力传感器。非马尔可夫体系中的无耗散束缚态有利于在CROW中远程传输信号。我们的结果表明,在某些参数范围内,借助结合态可以实现具有超高灵敏度的传感器。

更新日期:2021-01-16
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