Also we find that with the increase of coherent Rabi frequency, the frequency region of gain equalization is augmented but the magnitude of gain equalization decreases.

• 比较两条曲线可知，随着相干Rabi频率的增加，增益平坦化的频率区域也在增加，然而这一现象伴随着平坦化的增益幅值的降低。