K模辅射场与二能级原子作用系统中原子的偶极压缩  

Atomic dipole squeezing in the system of a two-level atom interaction with k-mode radiation field

作　　者：高潭华[1] 卢道明[1] 

机构地区：[1]武夷学院电子工程系,福建武夷山354300

出　　处：《贵州师范大学学报（自然科学版）》2010年第3期80-83,100,共5页Journal of Guizhou Normal University：Natural Sciences

基　　金：福建省自然科学基金计划资助项目(项目编号:2008J0217)

摘　　要：利用J-C模型,在旋波近似下,给出了K模相干光场与二能级原子相互作用系统中系统态矢的演化。利用数值计算方法研究了三模相干光场与二能级原子相互作用系统中原子的偶极压缩效应,讨论了初始光场强度和光场相位对原子的偶极压缩效应的影响。结果表明:当初始光场较强时,原子只在演化的初期呈现短暂的间隙性压缩效应,光场相位决定原子的压缩方向,而光场强度变化对原子的偶极压缩效应影响很小。By means of the time-evolution operator method,the evolution of state vector in the system of a two-level atom interacting with k-mode radiation field is given.Using numerical calculation,atomic dipole squeezing in interaction of two-level atom with three-mode coherent state light field is studied.The influences the initial phase angle and intensity of initial coherent field on the atomic dipole squeezing are discussed.The results indicate that the atomic dipole squeezing has intermittence squeezing.

关 键 词：K模辅射场 二能级原子 .偶极压缩 

分 类 号：O431.2[机械工程—光学工程]