利用分步傅立叶积分法，求解薛定谔方程，可以计算光纤中色散与SPM-This file solves the nonlinear Schrodinger equation for propagation in an optical fiber using the split-step Fourier method described

在非线性光学中，薛定谔方程为波的传输方程，次程序运用分步傅里叶方法求解非线性薛定谔方程！-In nonlinear optics, Schrodinger equation for the wave propagation equation, sub-process using step Fourier method for solving nonlinear Schr?dinger equation!