Firstly, decoupling theory is applied to analyze multiplicative colored noise in a single mode laser system.Steady state intensity distribution function with colored noise is obtained.

• 首先用退耦理论分析了单模激光场中的乘性色噪声，导出了含有色噪声的激光场定态强度分布函数，讨论了乘性色噪声诱导一级相变的条件。