Taken into account both second order dispersion and SPM in the abnormal-dispersion region of single-mode fibers, we obtained the expression of chirp induced by GVD and SPM.
考虑了光源初始啁啾的作用 ，推导出均方根脉宽的解析表达式 ，分析表明 ：二阶偏振模色散对脉冲展宽的作用与群速度色散及啁啾有关 ，一阶偏振模色散的作用则与这两者无关。
It is found that the numerical dissipation is second order and the numerical dispersion is third order.
得出该格式的数值耗散为二阶，数值频散为三阶。
Models of periodically inhomogeneous perturbations are made reasonedly in a quasi-ideal dispersion-managed soliton system, their effects on second-order soliton propagation are investigated.
在准理想的的色散管理系统中建立了非均匀扰动模型，研究了它们对二阶孤子传输的影响。
Statistical characteristics of second order polarization mode dispersion (2 nd PMD) are investigated by Jones Transfer Matrix method.
利用琼斯传输矩阵法研究了二阶偏振模色散的统计特性。
The effects of group-velocity mismatch and dispersion, third-order nonlinear phase modulation on pulse shape, spectrum distribution and conversion efficiency of second-harmonic pulse were discussed.
详细讨论了群速度失配、群速度色散和三阶非线性相位调制效应对倍频光脉冲波形、光谱及转换效率的影响。
For a given dispreading distance, the widths of the two spectrum regions increase until overlay when second-order dispersion approaches zero.
对给定的传输距离，随着光纤向零色散附近靠近，两个频谱区谱宽增加直到相互重叠。
The influence of lens dispersion up to second order on the spatial and temporal intensity distribution of the femtosecond Gaussian beam was analyzed.
分析了单透镜色差和群速度色散对超短脉冲高斯光束聚焦的时间分布及脉冲波面的影响 ；
Under the influence of higher-order effects, the interactions between second order solitons in dispersion-shifted fibers are investigated numerically.
本文通过数值计算，对时域上相邻的两个二阶孤子在单模光纤中的传输行为进行了模拟，研究了它们之间的相互作用。
Under the influence of higher-order effects, the interactions between second order solitons in dispersion-shifted fibers are investigated numerically.
本文通过数值计算，对时域上相邻的两个二阶孤子在单模光纤中的传输行为进行了模拟，研究了它们之间的相互作用。
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