多光子反J-C模型下纠缠相干光场量子特性研究  

Quantum properties of the entangled coherent light field in the multi-photon anti-Jaynes-Cummings model

作　　者：牧其尔[1] 萨楚尔夫[1,2] 张冬霞[1] 

机构地区：[1]内蒙古师范大学物理与电子信息学院,内蒙古呼和浩特010022 [2]内蒙古师范大学图书馆,内蒙古呼和浩特010022

出　　处：《光电子．激光》2011年第5期788-792,共5页Journal of Optoelectronics·Laser

基　　金：国家自然科学基金资助项目(60467002);内蒙古自然科学基金资助项目(2009MS0112);内蒙古高等学校科研基金资助项目(NJ03038);研究生科研基金资助项目(CXJJS10036)

摘　　要：利用多光子反Jaynes-Cummings(J-C)模型,研究了双模纠缠相干光场中一束光与受强经典场驱动的二能级原子相互作用时光场的量子特性,讨论了跃迁光子数、时间、光场初态等参量对未参加相互作用光场的反聚束效应和压缩效应的影响。结果表明:改变跃迁光子数、时间及选取参加相互作用光场的初态等参量,能使未参加相互作用的光场始终具有较强的反聚束效应;在适当的时域内,通过控制参加相互作用的光场参量,可得到处于不同压缩程度的非经典光场。When one mode of the two-mode entangled coherent light field interacts with a two-level atom driven by a strong classical field,the quantum properties of light field are studied by means of the quantum theory in multi-photon antiJaynes-Cummings model.The influence of the parameters of transition photon number,time and the initial state of the light field on the anti-bunching phenomenon and squeezing phenomenon of the light field that doesn′t interact with an atom has been discussed.The results indicate that the light field which doesn′t interact with atom presents strong anti-bunching phenomenon in all the time through changing transition photon number and time and selecting the initial state of the light field which interacts with an atom.Controlling the parameter of the light field,the non-classical light fields with different squeezing degrees can be generated in the proper time domain.

关 键 词：量子光学 多光子 反聚束 压缩效应 

分 类 号：O431.2[机械工程—光学工程]