Fluctuation-enhanced Kerr nonlinearity in an atom-assisted optomechanical system with atom-cavity interactions

被引：9
|
作者：
Dong, Yaoyong [1 ,2 ,3 ]
Zheng, Xuejun [1 ,2 ]
Wang, Denglong [3 ]
Ding, Jianwen [3 ]
机构：
[1] Xiangtan Univ, Sch Mech Engn, Engn Res Ctr Complex Tracks Proc Technol & Equipm, MoE, Xiangtan 411105, Peoples R China
[2] Xiangtan Univ, Key Lab Welding Robot & Applicat Technol Hunan Pr, Xiangtan 411105, Peoples R China
[3] Xiangtan Univ, Dept Phys, Xiangtan 411105, Peoples R China
来源：
OPTICS EXPRESS | 2021年 / 29卷 / 04期
基金：
中国国家自然科学基金;
关键词：
ELECTROMAGNETICALLY INDUCED TRANSPARENCY; SLOW LIGHT; QUANTUM; NONRECIPROCITY;
D O I：
10.1364/OE.414563
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We examine the effect of cavity field fluctuations on Kerr nonlinearity in an atom-assisted optomechanical system. It is found that a new self-Kerr (SK) nonlinearity term, which can greatly surpass that of a classical. type atomic system when the hybrid system has numerous atoms, is generated based on cavity field fluctuations by atom-cavity interactions. A strong photon-phonon cross-Kerr (CK) nonlinearity is also produced based on cavity field fluctuations. These nonlinearity features can be modified by atom-cavity and optomechanical interactions. This work may provide a new method to enhance the SK nonlinearity and generate the photon-phonon CK nonlinearity. (c) 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
引用
收藏
页码：5367 / 5383
页数：17
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