中国物理B ›› 1999, Vol. 8 ›› Issue (3): 174-179.doi: 10.1088/1004-423X/8/3/003

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EFFECTS OF CROSS-CORRELATED NOISES ON A SINGLE-MODE LASER MODEL: STEADY STATE ANALYSIS

梅冬成1, 曹力2, 吴大进2, 谢光中3   

  1. (1)Department of Physics, Yunnan University, Kunming 650091, China; Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China; (2)State Key Laboratory of Laser Technology, Huazhong University of Science and Technology, Wuhan 430074, China; (3)Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China
  • 收稿日期:1998-08-04 出版日期:1999-03-15 发布日期:1999-03-20
  • 基金资助:
    Project supported by the Applied Basic Research Foundation of Yunnan Provincial Education Commission (Grant No. 9712021), China.

EFFECTS OF CROSS-CORRELATED NOISES ON A SINGLE-MODE LASER MODEL: STEADY STATE ANALYSIS

Mei Dong-cheng (梅冬成)ab, Xie Guang-zhong (谢光中)b, Cao Li (曹力)c, Wu Da-jin (吴大进)c   

  1. a Department of Physics, Yunnan University, Kunming 650091, China; b Yunnan Observatory, Chinese Academy of Sciences, Kunming 650011, China; c State Key Laboratory of Laser Technology, Huazhong University of Science and Technology, Wuhan 430074, China
  • Received:1998-08-04 Online:1999-03-15 Published:1999-03-20
  • Supported by:
    Project supported by the Applied Basic Research Foundation of Yunnan Provincial Education Commission (Grant No. 9712021), China.

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摘要： The stationary properties of a single-mode laser with positive and negative correlations between additive and multiplicative white-noise terms are investigated. By virtue of a simple rule and decoupling ansatz, the intensity correlation function and correlation time for the laser model are derived. We found that: (1) the fluctuation of light intensity with negative correlations between the noise terms are reduced in comparison with those for positive correlations; (2) the coupling between additive and multiplicative noises enhances the rate of decay of intensity correlation; (3) the effects of negative correlations between the noise terms are more remarkable than those of positive correlations.

Abstract: The stationary properties of a single-mode laser with positive and negative correlations between additive and multiplicative white-noise terms are investigated. By virtue of a simple rule and decoupling ansatz, the intensity correlation function and correlation time for the laser model are derived. We found that: (1) the fluctuation of light intensity with negative correlations between the noise terms are reduced in comparison with those for positive correlations; (2) the coupling between additive and multiplicative noises enhances the rate of decay of intensity correlation; (3) the effects of negative correlations between the noise terms are more remarkable than those of positive correlations.

中图分类号:  (Noise)

  • 05.40.Ca
42.50.-p (Quantum optics)