Results 141 to 150 of about 32,954 (259)

非线性双折射色散缓变光纤中极化调制不稳定性

open access: yesGuangtongxin yanjiu, 2003
利用光脉冲在光纤中传播时所遵守的相干非线性薛定谔耦合方程,研究了线偏振光在双折射色散缓变光纤中的传输特性.结果表明,线性双折射、非线性效应和色散的相互作用,使光的偏振状态发生变化,产生交叉相位调制(XPM),从而导致相位匹配参量的四波混频.这一过程不仅在反常色散区产生,在正常色散区也能产生,并且当传输距离发生变化时,也随之发生变化.
贾维国, 杨性愉
doaj  

Existence of solutions for a class of third-order two-point boundary value problems(一类三阶两点边值问题解的存在性)

open access: yesZhejiang Daxue xuebao. Lixue ban
In this paper, we consider the boundary value problems of third-order nonlinear ordinary differential equation u'''t=f(t,u(t),u'(t),u''(t)),  a.e ...
王丽媛(WANG Liyuan)   +1 more
doaj   +1 more source

夹层矩形板的非线性振动 [PDF]

open access: bronze, 1991
建成 吴, 人怀 刘
openalex   +1 more source

PMD的统计特性及其对光脉冲传播的影响

open access: yesGuangtongxin yanjiu, 2005
由耦合非线性薛定谔方程可以得出与光纤参数有关的琼斯矩阵。文章采用此法得到的琼斯矩阵法研究了一阶偏振模色散(PMD)的统计特性,并通过求解耦合非线性薛定谔方程仿真了PMD对于光脉冲传输的影响。
邓屹, 黄德修, 李宏, 王铁军
doaj  

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