The relaxation time of a single-mode dye laser system driven by cross-correlated additive and multiplicative noises

被引:8
作者
Jin, YF [1 ]
Xu, W
Xie, WX
Xu, M
机构
[1] Northwestern Polytech Univ, Dept Appl Math, Xian 710072, Peoples R China
[2] Northwestern Polytech Univ, Dept Automat Control, Xian 710072, Peoples R China
基金
中国国家自然科学基金;
关键词
relaxation time; single-mode dye laser; correlation function; cross-correlated noises;
D O I
10.1016/j.physa.2005.02.049
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The relaxation time T-c of the intensity correlation function is investigated in a single-mode dye laser system driven by cross-correlated additive and multiplicative white noises. The expression for T-c is obtained by using the projector-operator method. And then the effects of correlation intensity between noises lambda and correlation time between noises tau on T-c are studied. Numerical results show that the correlation intensity lambda speeds up the intensity fluctuation decay of laser slightly above threshold in the presence of nonzero tau. Meanwhile, when lambda > 0, tau suppresses the intensity fluctuation of laser. But when lambda > 0, tau enhances the intensity fluctuation of laser. Moreover, the effects of lambda and tau on the intensity fluctuation also depend on the noise intensity ratio R and net gain coefficient a(0). (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:143 / 152
页数:10
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