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在噪声受偏置信号调制的情况下,讨论色噪声之间的关联受时间周期调制所驱动的单模激光系统中的随机共振.用线性化近似的方法计算了输出信噪比.具体讨论输出信噪比随噪声自关联时间、噪声强度和偏置信号的变化关系.发现输出信噪比随抽运噪声强度和自关联时间的变化出现随机共振,而偏置信号会降低随机共振的峰值.实际应用中应控制优选偏置信号强度.
When the noise is modulated by the bias signal, we discuss the stochastic resonance in the single-mode laser system driven by the time-period modulation by correlating the color noises.The output signal-to-noise ratio is calculated by the method of linear approximation. The relationship between SNR and noise self-correlation time, noise intensity and bias signal shows that the output signal-to-noise ratio stochastic resonance with the variation of pump noise intensity and self-association time, and the bias signal will reduce the peak of stochastic resonance. In practice, the preferred bias signal strength should be controlled.