中国物理B ›› 2005, Vol. 14 ›› Issue (5): 985-990.doi: 10.1088/1009-1963/14/5/022

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Resonantly enhanced continuous-wave four-wave mixing with spontaneously generated coherence in a five-state cold atomic medium

杨文星1, 李家华2, 罗进明2, 彭菊村3   

  1. (1)Centre for Cold Atom Physics, Chinese Academy of　Sciences, Wuhan 430071, China; (2)Department of Physics, Huazhong University of Science　and Technology, Wuhan 430074, China; (3)Department of Physics, Xiaogan Normal University,Xiaogan 432100, China
  • 收稿日期:2004-05-20 修回日期:2004-09-16 出版日期:2005-05-19 发布日期:2005-05-19
  • 基金资助:
    Project supported in part　by the National Natural Science Foundation of China (Grant Nos.60478029 and 10125419)

Resonantly enhanced continuous-wave four-wave mixing with spontaneously generated coherence in a five-state cold atomic medium

Li Jia-Hua (李家华)a, Luo Jin-Ming (罗进明)a, Yang Wen-Xing (杨文星)b, Peng Ju-Cun (彭菊村)c   

  1. a Department of Physics, Huazhong University of Science and Technology, Wuhan 430074, China; b Centre for Cold Atom Physics, Chinese Academy of　Sciences, Wuhan 430071, China; c Department of Physics, Xiaogan Normal University,Xiaogan 432100, China
  • Received:2004-05-20 Revised:2004-09-16 Online:2005-05-19 Published:2005-05-19
  • Supported by:
    Project supported in part　by the National Natural Science Foundation of China (Grant Nos.60478029 and 10125419)

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摘要： Using Schr\"odinger-Maxwell formalism, we propose and analyze a continuous-wave four-wave mixing (FWM) scheme for the generation of coherent light in a five-state double-\Lambda atomic system with or without spontaneously generated coherence (SGC) based on electromagnetically induced transparency (EIT). We derive the corresponding explicit analytical expressions for the generated FWM field under the steady-state condition. The influence of hyperfine sublevel and SGC effect on the amplitude of the generated FWM field is predicted in details via the derived analytical expressions. We also give a brief discussion on the experimental realization of the proposed scheme.

关键词: continuous wave, four-wave mixing, electromagnetically induced transparency

Abstract: Using Schr?dinger-Maxwell formalism, we propose and analyze a continuous-wave four-wave mixing (FWM) scheme for the generation of coherent light in a five-state double-$\Lambda$ atomic system with or without spontaneously generated coherence (SGC) based on electromagnetically induced transparency (EIT). We derive the corresponding explicit analytical expressions for the generated FWM field under the steady-state condition. The influence of hyperfine sublevel and SGC effect on the amplitude of the generated FWM field is predicted in details via the derived analytical expressions. We also give a brief discussion on the experimental realization of the proposed scheme.

Key words: continuous wave, four-wave mixing, electromagnetically induced transparency

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