基于非线性包络方程我们研究了平面非线性介质波导中的时空不稳定性，得到了有拉曼散射效应情形下不稳定性调制的增益谱的表达式。
Spatiotemporal instability in the planar nonlinear dielectric waveguide is analyzed by nonlinear equation, and the expression of Modulation instability(MI) gain in Raman Scattering is obtained.
从非线性薛定谔方程出发得到了色散缓变光纤（DDF）中交叉相位调制（XPM）不稳定增益谱。
Modulation instability resulted from cross phase modulation(XPM) in decreasing dispersion fiber(DDF) is presented from nonlinear Schrodinger equation.
由于受激喇曼散射的作用，使得喇曼增益谱叠加到光纤中的调制不稳定性增益谱上。
Due to the role of stimulated Raman scattering, Raman gain spectrum is superposed over the conventional MI gain spectrum in optical fibers.
而群速度失配可极大地改变调制不稳定性增益谱的形状、峰值和位置。
The group-velocity mismatch can considerably change the gain spectrum of modulation instability in terms of its shape, peak value, and position.
从非线性薛定谔方程出发得到了色散缓变光纤中交叉相位调制(XPM)不稳定性的增益谱。
Modulation instability gain spectrum resulted from cross-phase modulation (XPM) in decreasing dispersion fiber (DDF) is presented from nonlinear Schrodinger equation.
分析了三、五阶非线性共存时的交叉相位调制不稳定条件和增益谱。
The condition and power gain spectra of modulation instability induced by the cross-phase modulation in the case of cubic-quintic nonlinearity are analyzed.
分析了三、五阶非线性共存时的交叉相位调制不稳定条件和增益谱。
The condition and power gain spectra of modulation instability induced by the cross-phase modulation in the case of cubic-quintic nonlinearity are analyzed.
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