双模纠缠相干光场与Λ型原子耦合系统中光场反聚束效应  

Antibunching effect of the field in the system of two-mode entangled coherent states interacting with a Λ-type three-level atom

作　　者：邱昌东[1] 

机构地区：[1]武夷学院电子工程系,福建武夷山354300

出　　处：《浙江师范大学学报（自然科学版）》2008年第4期411-415,共5页Journal of Zhejiang Normal University:Natural Sciences

基　　金：福建省自然科学基金资助项目(2008J0217)

摘　　要：利用数值计算的方法,研究了双模纠缠相干光场与Λ型三能级原子相互作用系统中光场的反聚束效应,讨论了双模纠缠相干光场纠缠程度和两场模的平均光子数对光场反聚束效应的影响.数值计算结果表明:随着双模纠缠相干光场纠缠程度的增大,反聚束效应增强,光场处于最大纠缠态时,反聚束效应最强;另一方面,随着双模纠缠相干光场平均光子数的增大,光场的反聚束效应减弱,当光场平均光子数大于一定值后,反聚束效应消失.The antibunching effect of the field in the system of two-mode entangled coherent states interacting with a ∧-type three-level atom was investigated by means of numerical calculation. The influences of the degree of entanglement of two ∧-mode entangled coherent state optics field and mean photon numbers of twomode optics field on antibunching effect were discussed. The results showed that antibunching effect strengthening with increasing of the the degree of entanglement of two-mode entangled coherent state optics field and weakening with increasing of mean photon numbers of two-mode entangled coherent state optics field.

关 键 词：双模纠缠相干场 ∧型三能级原子 反聚束效应 纠缠度 量子光学 

分 类 号：O431.2[机械工程—光学工程]