Four-wave-mixing in optical soliton communication system with nonuniform chromatic dispersion

Summary form only given. The optical soliton pulse appears to have many desirable properties and has been proposed as an information carrier in high-bit-rate and long-distance optical communication systems. The dispersion shifted fiber used in soliton systems, while allowing high-bit-rate channels to be transmitted over long distance, enhances the efficiency of generation of four-wave mixing (FWM) waves by reducing the phase mismatch naturally provided by the fiber dispersion. So it is necessary to investigate the influence of FWM in long-haul soliton wavelength-division multiplexing (WDM) systems.