三能级三模量子系统中探测场的增益研究  

Probe Fields Gain in a Three-Level and Three-Modes Quantum System

作　　者：廖庆洪[1] 刘正东[1] 赵顺才[1] 

机构地区：[1]南昌大学近代物理研究所,江西南昌330047

出　　处：《光学与光电技术》2008年第1期8-10,共3页Optics & Optoelectronic Technology

基　　金：国家自然科学基金(60278016;10464002)资助项目

摘　　要：研究了三能级原子与多模光场相互作用的量子系统,从系统的密度矩阵运动方程出发讨论了无粒子数反转探测场的增益条件,发现当驱动场拉比频率取5,探测场拉比频率取1,非相干抽运取3,驱动场失谐量取3时,系统可以在偏离共振的两端获得粒子数无反转而相应的探测场获得了增益,即实现了无粒子数反转激光,其在光通信方面具有重要的应用价值。The quantum system of three-level atom interaction with multimode light fields is studied. By using the density matrix equations motion of the system, the conditions for realizing the probe fields gain without inversion in the system are discussed. When the Rabi frequency of the driving fields is 5, the Rabi frequency of the probe fields is 1, the incoherent pump is 3 and the detuning of the driving fields is 3, the gain of the probe fields without the inversion is achieved. It has very important application value in the field of optical communication.

关 键 词：三能级原子 激光 无粒子数反转 

分 类 号：O431.2[机械工程—光学工程]