Statistical properties of a single-mode laser driven by additive and multiplicative coloured noises with a coloured cross-correlation for different correlation times

被引:0
作者
Liang, GY [1 ]
Cao, L
Zhang, L
Wu, DJ
机构
[1] Huazhong Univ Sci & Technol, State Key Lab Laser Technol, Wuhan 430074, Peoples R China
[2] China Ctr Adv Sci & Technol, World Lab, Beijing 100080, Peoples R China
来源
CHINESE PHYSICS | 2003年 / 12卷 / 10期
关键词
single-mode laser; coloured cross-correlation; statistical properties;
D O I
暂无
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We study a system for a single-mode laser driven by additive and multiplicative coloured noises with a coloured cross-correlation. The analytical expression of the stationary intensity distribution (SID) for the laser is derived in the case of three different correlation times. The influences of each stochastic parameter on the SID are discussed, the effects of the noise "colour" and the cross-correlation of noises on the mean intensity < I >, the variance, lambda(2)(0), and the skewness, lambda(3)(0) of the single-mode laser are investigated. We find that there are colourful phase transitions for the SID above a threshold, and re-entrant transitions induced by the "colour" of the additive noises. Further research of the curves of < I >-tau(i), lambda(2)(0)-tau(i), and lambda(3)(0)-tau(i) (i=1,2,3) (where tau(i) is the correlation time) shows that the output intensity not only increases with the additive noise correlation time tau(2) and the cross-correlation time tau(3), but also the quality of the output of laser beams is optimized.
引用
收藏
页码:1109 / 1119
页数:11
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