Split-step Fourier method is used to numerically solve coupled nonlinear Schr?dinger equation, and to study the properties of pulse propagation in the fiber with randomly varying birefringence.

• 利用分步傅里叶方法数值解耦合非线性薛定谔方程组，研究了孤子脉冲和高斯脉冲在随机双折射光纤中的传输特性。