计算脉冲在非线性耦合器中演化的Matlab 程序 kso*} uh0
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% This Matlab script file solves the coupled nonlinear Schrodinger equations of %Q4i%:Qi
% soliton in 2 cores coupler. The output pulse evolution plot is shown in Fig.1 of {THqz$KN
% Youfa Wang and Wenfeng Wang, “A simple and effective numerical method for nonlinear &s
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% pulse propagation in N-core optical couplers”, IEEE Photonics Technology lett. Vol.16, No.4, pp1077-1079, 2004 G]*|H0j
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%fid=fopen('e21.dat','w'); U5+vN[ K
N = 128; % Number of Fourier modes (Time domain sampling points) 4JO@BV >t
M1 =3000; % Total number of space steps |_zO_F rtp
J =100; % Steps between output of space $YM_G=k
T =10; % length of time windows:T*T0 ^^}Hs-{T
T0=0.1; % input pulse width b{&FuvQg