A Study on the Effect of Four Wave Mixing and Stimulated Brillouin Scattering of DWDM Transmission System in Optical Fiber

Abstract

This paper presents a study on the effect of four wave mixing (FWM) and stimulated brillouinscattering (SBS) of DWDM transmission system in optical fiber by comparing the effect of five types in opticalfibers such single mode fiber (SMF), dispersion shift fiber (DSF), non-zero dispersion fiber (NZDF), non-zerodispersion shift fiber (NZDSF) and dispersion compensating fiber (DCF) on 100GHz, 50GHz and 25GHz forfrequency channel spacing. We have analyzed the advantage and disadvantage for each type of optical fiber.This paper is proposed the method to improve the effect of non-linear phenomena on FWM and SBS due tooptical fiber non-linearity in DWDM transmission system by comparing the five types of optical fiber. We foundthat the effect of DCF type is shown better performance. From simulation results, it shows lower FWM powerand threshold power. The optical fiber of DCF type is suitable for transmitted signal in short distance comparewith other type of optical fiber. The FWM power of SMF, NZDF and NZDSF are more than DCF because of thechromatic dispersion less than chromatic dispersion of DCF type. On the other hand the highest FWM poweroccurs due to chromatic dispersion of DSF type equal to 0. The data analysis is indicated some parameterscause by the effect of non-linear phenomena such increasing the effective core area, chromatic dispersion(CD) which decrease FWM, increase threshold power of SBS and input power.