选择原子测量对原子偶极压缩效应的影响  

Dipole Squeezing in the System of Λ-type Three-level Atom Interacting with Two-mode Coherent Light Field

作　　者：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：《量子光学学报》2011年第1期5-9,共5页Journal of Quantum Optics

基　　金：福建省自然科学基金(2008J0217)

摘　　要：考虑两个初始处于纠缠态的Λ型三能级原子,将其中一原子注入双模腔中与光场发生共振相互作用的情况。采用数值计算方法,研究了对腔外原子的选择测量对腔内原子偶极压缩效应的影响。研究结果表明:采用选择原子测量方法,通过对腔外原子进行选择性测量,可增强腔内原子的偶极压缩效应。Considering two Λ-type three-level atoms initially in the entangled state, one atom is poured into the cavity and interacts with a two-mode cavity. The dipole squeezing of an atom inside the cavity are investigated. The influences of the selective atomic measurement and the intensity of the coherent field which interacts with atom on dipole squeezing of an atom inside the cavity are discussed. The result obtained by numerical calculations shows that the strengthened through selective atomic measurement dipole squeezing of an atom inside the cavity can be for atom outside of the cavity.

关 键 词：量子光学 选择原子测量 Λ型三能级原子 原子偶极压缩 

分 类 号：O431[机械工程—光学工程]