中国物理B ›› 2012, Vol. 21 ›› Issue (3): 34205-034205.doi: 10.1088/1674-1056/21/3/034205

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王刚1,薛艳1,崔淬砺1,曲艺2,高锦岳1   

  • 收稿日期:2011-03-14 修回日期:2011-08-10 出版日期:2012-02-15 发布日期:2012-02-15
  • 通讯作者: 薛艳,xy4610@jlu.edu.cn E-mail:xy4610@jlu.edu.cn

Highly efficient four-wave mixing induced by quantum constructive interference in rubidium vapour

Wang Gang(王刚)a), Xue Yan(薛艳)a) †, Cui Cui-Li(崔淬砺)a), Qu Yi(曲艺)b), and Gao Jin-Yue(高锦岳) a)   

  1. a. College of Physics, Jilin University, Changchun 130023, China;
    b. Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China
  • Received:2011-03-14 Revised:2011-08-10 Online:2012-02-15 Published:2012-02-15
  • Contact: Xue Yan,xy4610@jlu.edu.cn E-mail:xy4610@jlu.edu.cn
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant Nos. 10904047 and 11104111), the National Basic Research Program of China (Grant No. 2011CB921603), and the Basic Research Foundation of Jilin University, China.

Abstract: We demonstrate efficient four-wave mixing with an intensity conversion efficiency of nearly 100% in theory without considering the Doppler-broadening effect in a four-level double-$\Lambda$ system of hot 87Rb gas. The corresponding experimental value of about 73% was reported in our earlier work under the same conditions. This dramatic efficiency is critically dependent on the constructive interference between two four-wave mixing processes relevant to the internally generated four-wave mixing signal.

Key words: four-wave mixing, quantum constructive interference

中图分类号:  (Effects of atomic coherence on propagation, absorption, and Amplification of light; electromagnetically induced transparency and Absorption)

  • 42.50.Gy
42.65.Ky (Frequency conversion; harmonic generation, including higher-order harmonic generation) 42.50.Hz (Strong-field excitation of optical transitions in quantum systems; multiphoton processes; dynamic Stark shift)