Using mean field method proposed in Ref. [4], the 40 Gb/s multi ― channelWDM optical fiber transmission systems with different dispersion maps are simulated. By this method,the computation time can be greatly reduced...Using mean field method proposed in Ref. [4], the 40 Gb/s multi ― channelWDM optical fiber transmission systems with different dispersion maps are simulated. By this method,the computation time can be greatly reduced since following only the full time evolution of alimited number of channels while treating the other channels as continuous wave. But sincedispersion plays an important role in the process of FWM and XPM, different dispersion maps willaffect the application of the method. The dependence of the method on dispersion maps isinvestigated. The results not only confirm the mean field method, but also give useful approach forsystem design.展开更多
文摘Using mean field method proposed in Ref. [4], the 40 Gb/s multi ― channelWDM optical fiber transmission systems with different dispersion maps are simulated. By this method,the computation time can be greatly reduced since following only the full time evolution of alimited number of channels while treating the other channels as continuous wave. But sincedispersion plays an important role in the process of FWM and XPM, different dispersion maps willaffect the application of the method. The dependence of the method on dispersion maps isinvestigated. The results not only confirm the mean field method, but also give useful approach forsystem design.