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Chinese Physics, 2001, Vol. 10(11): 1011-1016    DOI: 10.1088/1009-1963/10/11/304
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EFFECTS OF COLOURED NOISE IN A TWO-MODE LASER SYSTEM

Luo Xiao-qin (罗晓琴), Zhu Shi-qun (朱士群), Gao Wei-jian (高伟建)
Department of Physics, College of Sciences, Suzhou University, Suzhou 215006, China
Abstract  A homogeneously broadened two-mode laser system with multiplicative coloured noise is investigated when the mode coupling constant $\xi=2$. An analytical result is obtained when two-dimensional decoupling theory is applied to the system. The intensity auto-correlation function and effective eigenvalue of the laser system are calculated when the difference of pump parameters, multiplicative noise strength and noise correlation time are varied. It is shown that the multiplicative noise can enhance the fluctuations while the noise colour can reduce the fluctuations in the laser system.
Keywords:  coloured noise      two-mode laser      decoupling theory      mode coupling constant  
Received:  23 March 2001      Revised:  29 June 2001      Accepted manuscript online: 
PACS:  42.60.Mi (Dynamical laser instabilities; noisy laser behavior)  
  05.40.Ca (Noise)  
  02.10.Ud (Linear algebra)  
Fund: Project supported by the National Natural Science Foundation of China (Grant No. 19874046).

Cite this article: 

Luo Xiao-qin (罗晓琴), Zhu Shi-qun (朱士群), Gao Wei-jian (高伟建) EFFECTS OF COLOURED NOISE IN A TWO-MODE LASER SYSTEM 2001 Chinese Physics 10 1011

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