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讨论了一个双模环型激光增益噪声模型，其中考虑了完全饱和效应且乘法噪声由增益系数涨落引起。在共振及两模具有相同泵参数时，获得了光强联合定态分布的精确解析表达式。通过与现有的双模激光摸型（其中乘法噪声由损失系数涨落引起）的比较，发现乘法噪声系数的非线性效应减弱了乘法噪声给激光光强统计性质带来的反常特性，并且这种减弱随着乘法噪声增强或损失系数减小而愈加明显。
A dual-mode ring laser gain noise model is discussed, in which the full saturation effect is considered and the multiplicative noise is caused by the fluctuation of the gain coefficient. When the resonance and the two pumps have the same pump parameters, the exact analytic expressions of the combined intensity distribution of light intensity are obtained. By comparing with the existing dual-mode laser touch models, in which the multiplicative noise is caused by the fluctuation of the loss coefficient, it is found that the non-linear effect of the multiplicative noise coefficient weakens the anomalous characteristic of multiplicative noise to the statistical properties of the laser light intensity, Weakened as the multiplication noise enhancement or loss coefficient decreases even more obvious.