1) second-order nonlinear dispersion
二阶非线性色散效应
2) second-order nonlinear dispersion
二阶非线性色散
1.
The results show that the ultrashort pulse would be narrow in the normal dispersion if the parameter of second-order nonlinear dispersion was less than zero,and the effects of its was gradually changing with the propagation distance getting smaller and smaller,and the pulse would be width if the parameter of fake-quintic nonlinearity.
结果表明,在正常色散区,二阶非线性色散系数为负时使脉冲变窄,而且它对脉冲影响的程度是随着传输距离不断变化的,影响越来越小;赝五阶非线性系数为负时使脉冲展宽,但与二阶非线性色散项相比影响较小;而自陡系数取值的可正、可负出现了使脉冲在传输过程中其中心位置前后沿均可偏移的现象。
2.
The influence of dispersive magnetic permeability on propagation of untrashort pulses in metamaterials is mainly in that it leads to the appearance of the pseudo-χ (5) , self-steepening (SS) and second-order nonlinear dispersion terms in the propagation equations.
结果表明,在反常色散情形,赝五阶非线性在异向介质的负折射区中增大了调制频谱的范围及增益值,这与常规正折射介质中出现的现象正好相反;自陡峭效应在异向介质中有可能为负值,但无论正负,也无论在正折射区还是负折射区,它都抑制调制不稳定性的产生;二阶非线性色散效应在正、负折射区中分别促进和抑制调制不稳定性的产生。
3.
Further,we study the influence of the controllable self-steepening effect and the second-order nonlinear dispersion on the formation and propagation of dark solitons in metamaterials.
利用一种扩展的双曲函数级数方法求解超常介质中的传输方程,得到了各种不同情形下的暗孤子解,分析了可控自陡效应和二阶非线性色散效应对孤子形成和传输特性的影响。
5) cascaded second-order non-linear effects
二阶非线性串级效应
6) cascading second order nonlinearity
级联二阶非线性效应
1.
The nonlinear phase shift and the changes of fundamental wave amplitude caused by Cherenkov cascading second order nonlinearity have been analyzed and optimized, taking into account the propagation loss.
在考虑传输损耗的基础上 ,用解析的方法详细分析和优化了平板波导中切伦科夫型级联二阶非线性效应引起的基波非线性相位移动和基波功率的变化 ,结果表明 ,基波非线性相位移动和基波功率变化对波导参数和光波波长有强烈的依赖关系。
2.
The analytical study on the nonlinear phase shift and the change of fundamental wave amplitude caused by Cherenkov cascading second order nonlinearity is given.
用解析的方法详细讨论了平板波导中的切伦科夫型级联二阶非线性效应引起的基波非线性相位移动和基波功率的变化。
补充资料：非线性光学效应
分子式：
CAS号：
性质：指由电磁辐射所产生，但其响应却与照度不成比例的一种现象。光化学中重要的非线性光学效应有谐频发生、激光、拉曼位移等。
CAS号：
性质：指由电磁辐射所产生，但其响应却与照度不成比例的一种现象。光化学中重要的非线性光学效应有谐频发生、激光、拉曼位移等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条