200 GHz-spaced 16-channel 40Gbit/s WDM signal transmission is proposed in Cband using 33% return-to-zero differential-phase-shift-keying (RZ-DPSK) format over a 5 spans of dispersion shifted-Anomalous fiber link. A parametric run on each span fiber length is performed (from 25 km up to 100 km). The performance of 16 40 Gb/s 33% RZ-DPSK WDM channels is analyzed using the “Optical Simulation “
software. While, the nonlinearity results related to optical fiber system have been simulated. Results that are given in this work are obtained using MATLAB R2009b (version