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In this paper, we investigate pre-, postand symmetricaldispersion compensation methods for 10/15Gb/s using different modulation formats like NRZ, RZ and RZ Super gaussian using standard and dispersion compensated fibers through computer simulations to optimize high data rate optical transmission. The influence of EDFA power of fiber has been studied to evaluate the performance of optical communication systems. The performance characteristics like bit error rate, Q parameter, required optical power at the output are studied by simulating different systems. The influence of variation in length of fiber of each span with the variation of power of EDFA is also studied, and conclude that post and symmetric scheme is better. General Terms Optical Fiber Compensation, Dispersion Compensation Technique.

international journal of computer applications

Comparison of Pre-, Post- and Symmetrical-dispersion Compensation Schemes for 10/15 GBPS using Different Modulation Formats at Various Optical Power Levels using Standard and Dispersion Compensated Fibers