Effects of cross-Kerr coupling on transmission spectrum of double-cavity optomechanical system
作者机构：School of MathematicsPhysics and StatisticsShanghai University of Engineering ScienceShanghai 201620China Department of PhysicsShanghai UniversityShanghai 200444China School of Electrical EngineeringShanghai University of Engineering ScienceShanghai 201620China School of PhysicsEast China University of Science and TechnologyShanghai 200237China
出 版 物：《Chinese Physics B》 (中国物理B（英文版）)
年 卷 期：2024年第33卷第6期
页 面：390-396页
核心收录：
学科分类：08[工学] 0803[工学-光学工程] 0702[理学-物理学]
基 金：Project supported by the National Natural Science Foundation of China (Grant Nos. 61605225, 61772295, 12174247, and 11664018) the Natural Science Foundation of Shanghai (Grant No. 16ZR1448400)。
主 题：cross-Kerr transmission rate nonreciprocity four-wave mixing
摘 要：We theoretically study the transmission spectrum of the cavity field in a double-cavity optomechanical system with cross-Kerr(CK) effect. The system consists of two tunneling coupling optomechanical cavities with a mechanical resonator as a coupling interface. By doping CK medium into the mechanical resonator, CK couplings between the cavity fields and the mechanical resonator are introduced. We investigate the effects of CK coupling strength on the transmission spectrum of the cavity field, including the transmission rate, nonreciprocity and four-wave mixing(FWM). We find that the transmission spectrum of the probe field can show two obvious transparent windows, which can be widened by increasing the CK coupling strength. For the transmission between the two cavity fields, the perfect nonreciprocity and reciprocity are present and modulated by CK coupling and phase difference between two effective optomechanical couplings. In addition, the effects of the optomechanical and CK couplings on FWM show that the single peak of FWM is split into three symmetrical peaks due to the introduction of the CK effect.
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