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!

分步傅里叶变换法求解非线性薛定谔方程，根据G.P.Agrawal的《非线性光纤光学原理》-Step Fourier transform method for solving nonlinear Schrodinger equation, according to GPAgrawal of " nonlinear fiber optics."