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Fluctuations of Single-Mode Laser Driven by Two Different Kinds of Colored Noise 被引量:5
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作者 WU Dan LUO Xiao-Qin ZHU Shi-Qun 《Communications in Theoretical Physics》 SCIE CAS CSCD 2006年第4期630-636,共7页
A single-mode laser with coupling between additive and multiplicative noise terms is investigated when the multiplicative noise and the coupling between two noise terms are colored fluctuations with finite correlation... A single-mode laser with coupling between additive and multiplicative noise terms is investigated when the multiplicative noise and the coupling between two noise terms are colored fluctuations with finite correlation times T1 and T2. Combining the unified colored noise approximation (UCNA) and the functional analysis, the stationary probability distribution (SPD) and the variance of the laser intensity is derived. It is found that the colored nature of multiplicative noise and the coupling strength between two noise terms can affect both the structure and the height of the SPD, while the colored nature of the coupling between two noise terms can only affect the height of the SPD. The multiplicative noise can enhance the intensity fluctuations while the additive noise can reduce the fluctuations in a laser system. Numerical simulations are presented and consistent to the analytical results. 展开更多
关键词 single-mode laser colored noise FLUCTUATION coupling variance
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