Kerr介质中双原子与相干态光场Raman过程的腔场谱  

Cavity Field Spectrum of Raman Interacting System between two Atoms and Coherent Field in Kerr Medium

作　　者：张桂明[1] 李悦科[1] 高云峰[1] 

机构地区：[1]聊城大学教育传播技术学院,山东聊城252059

出　　处：《量子光学学报》2007年第4期250-253,共4页Journal of Quantum Optics

基　　金：山东省自然科学基金(批准号:Y2004A09)

摘　　要：为探讨Kerr介质和原子间的耦合作用对两个等同二能级原子与双模光场Raman相互作用过程腔场谱的影响,通过求解本征方程导出了双模相干态光场处于任意强度时腔场谱的计算公式,给出了数值计算结果。发现在两模初始场均为弱场时,Kerr介质和原子间的耦合作用对谱结构的影响较小;在双模初始场均为强场时,有Kerr介质加入后两模的中心主峰迅速下降,但随Kerr效应的增强,产生出越来越多的边峰,且在两模主峰的两侧产生出拱形的梳状边峰群,并伴随着峰位的向右偏移。The cavity field spectra of two coupling atoms interacting with coherent state of two-mode fields through Raman process in Kerr medium are studied. By solving the eigen equation, the cavity field spectrum expression is given out and some numerical results are presented. It is found that the Kerr effect and the atoms coupling both influence the spectra structures slightly in the case of weak input field. When the input fields are strong, each mode＇ s highest peak becomes lower rapidly with appearance of the Kerr effect. Along with the accretion of Kerr effect, a multi-peak sideband appears in each mode spectrum and the spectral frequency shifts to right.

关 键 词：KERR介质 相干态光场 RAMAN相互作用 腔场谱 

分 类 号：O431[机械工程—光学工程]