Abstract
This paper introduces a method of reducing the non-linear effect known as four waves mixing in fiber optic communication system. The four wave mixing effect has been studied in OPTISYSTEM 14.2 environment. We have proposed a method for reducing the FWM effect using dual port dual drive Mach-Zehnder modulator and circular polarization. The system is designed, simulated and analyzed for a single mode optical fiber of length 100 km, and bit rate of 10 Gbps with two channels having channel spacing of 0.5 nm. The performance of the system has been improved as compared with the existing system (which uses Mach-Zehnder modulator) in terms of reducing the FWM effect in fiber optic communication system.
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