The evolution of the signal-noise ratio R with the quantum noise intensity D is discussed in the parameters of the noise and signal frequency and time period modulation frequency.
用线性化近似方法计算了单模激光增益模型的光强功率谱及信噪比,以噪声、信号频率和时间周期调制频率为参数讨论信噪比R随量子噪声强度D的变化,发现负关联情况下会出现随机共振,对噪声间关联程度的时间周期调制是引发随机共振的重要因素。