However, as the pump intensity increases, high order, especially fifth-order nonlinear effects will appear in the probe signal.
当抽运光强度增大时，探测光信号中会出现明显的高阶特别是五阶非线性效应。
The spectra detected from the edge of the sample shows a gain narrowing and a clear threshold when increasing the pump intensity.
当泵浦光强增强时，从样品边缘发射的光谱发生增益窄化并具有明显的阈值特性。
The results show that the frequency response characteristics of VCSOAs are influenced by the optical pump intensity, the input optical power and the spontaneous emission factor.
结果表明，VCSOA的频率响应特性受抽运光强度、输入光功率以及自发辐射因子的影响。
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