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Soliton Transmission in Fiber Optics for Long Distance Communication

Mehul G.Patel, S. B. Khant

Multiterabit/s, ultrahigh-speed optical transmissions over several thousands of kilometers on fibers are becoming reality. The group velocity dispersion (GVD) imposes severe limit on information carrying capacity of optical communication systems. By choosing appropriate pulse shape highly stable light pulses known as solitons are generated when effect of GVD is balanced by self-phase modulation (SPM). The application of solitons in communication systems opens the way to ultrahigh-speed information superhighways. Transmission speed of order of Tbit/s can be achieved if optical amplifiers are combined with WDM in soliton based communication systems. The simulation results for Soliton order N=1 and N=3 are obtained using OptSim Software.