中国物理B ›› 2010, Vol. 19 ›› Issue (1): 10501-010501.doi: 10.1088/1674-1056/19/1/010501

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Simulation study of the two-time intensity correlation function of a two-mode laser system with both pump and quantum noises

向友林1, 梅冬成2   

  1. (1)Department of Physics Science and Technology, Kunming Univertity, Kunming 650031, China;(2)Department of Physics, Yunnan University, Kunming 650091, China
  • 收稿日期:2008-12-04 修回日期:2009-05-27 出版日期:2010-01-15 发布日期:2010-01-15
  • 基金资助:
    Project supported by the National Natural Science Foundation of China (Grant No. 10865006) and the Natural Science Foundation of Yunnan Province of China (Grant No. 2005A0002M ).

Simulation study of the two-time intensity correlation function of a two-mode laser system with both pump and quantum noises

Xiang You-Lin(向友林)a)b) and Mei Dong-Cheng(梅冬成)b)†   

  1. a Department of Physics Science and Technology, Kunming Univertity, Kunming 650031, China; b Department of Physics, Yunnan University, Kunming 650091, China
  • Received:2008-12-04 Revised:2009-05-27 Online:2010-01-15 Published:2010-01-15
  • Supported by:
    Project supported by the National Natural Science Foundation of China (Grant No. 10865006) and the Natural Science Foundation of Yunnan Province of China (Grant No. 2005A0002M ).

摘要: This paper investigates the two-time intensity correlation function of a two-mode ring laser system subjected to both pump and quantum noises by stochastic simulation. It finds that the decay rate of the intensity correlation function of one mode gets faster with decreasing values of relevant parameters, i.e., the coupling constant ξ, the cross-correlation coefficient λ , the difference of the pump parameters Δa and the pump parameter a1; however, its variations get complex in the other mode when relevant parameters are changed. The investigating results also show that the effects of the mode competition on intensity correlation function are obvious.

Abstract: This paper investigates the two-time intensity correlation function of a two-mode ring laser system subjected to both pump and quantum noises by stochastic simulation. It finds that the decay rate of the intensity correlation function of one mode gets faster with decreasing values of relevant parameters, i.e., the coupling constant $\xi$, the cross-correlation coefficient $\lambda$ , the difference of the pump parameters $\Delta a$ and the pump parameter $a_1$; however, its variations get complex in the other mode when relevant parameters are changed. The investigating results also show that the effects of the mode competition on intensity correlation function are obvious.

Key words: two-mode laser, correlated noises, correlation function

中图分类号:  (Resonators, cavities, amplifiers, arrays, and rings)

  • 42.60.Da
02.50.Fz (Stochastic analysis) 42.50.Lc (Quantum fluctuations, quantum noise, and quantum jumps) 42.55.Wd (Fiber lasers) 42.60.Mi (Dynamical laser instabilities; noisy laser behavior)