Nonreciprocal transmission in a three-level atom-optomechanical cavity coupled system
A scheme for practical and nonreciprocal transmission is proposed using optomechanical and light-atom interaction in the coupling system of a three-level atom-optomechanical cavity,as well as the effects of the effective optomechanical coupling strength and atom-cavity-mode coupling strength on nonreciprocal transmission and isolation are analyzed.The results demonstrate that the transmission properties of optical photon can be modulated by properly adjusting the effective optomechanical coupling strength and atom-cavity-mode coupling strength.Moreover,the peak and line width of the isolation both increase with the increasing of the two coupling strengths.This scheme can provide useful references for the developments of nonreciprocal devices,such as,optical circulator,isolators,.
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