Enhancement of Nonreciprocal Entanglement and Transmission via Phase‐Dependent Unidirectional Coupling
Nan Wang,
Ting‐Ting Dong,
Shi‐Yan Li
et al.
Abstract:The nonreciprocal property of quantum systems is crucial for chiral quantum networks. In this study, a phase‐controlled scheme is proposed to enhance the nonreciprocal quantum entanglement and optical transmission in a cavity optomechanical system by introducing a phase‐dependent unidirectional coupling between two whispering‐gallery‐mode (WGM) resonators. The Sagnac effect induced by the spinning resonator generates nonreciprocity, while the interference effect between direct evanescent coupling and indirect … Show more
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