这些文章讲述了分步傅里叶方法，通过这些方法可以数值解非线性薛定谔方程，并且模拟光在光纤中传输随距离变化的状态，是学习光传输比较好的资料-The article was about a split-step Fourier method, numerical solution of these methods can be non-linear Schrodinger equation, and simulation of optical fiber transmission in the sta