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Performance Evaluation of Post and Symmetrical DCF Technique with EDFA in 32×10, 32×20 and 32×40 Gbps WDM Systems


Author : Sayeeda Khatoon, A.K.Jaiswal and Aditi Agrawal

Pages : 1416-1420
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Abstract

In WDM systems, performance is influenced by attenuation and dispersion. To compensate the attenuation, optical amplifiers are used. However, Dispersion Compensation is an important phenomenon in optical fiber communications. Pulse broadening of modulated signals can occur, in case with high data rates (>10 Gbps). In optical Communication, Dispersion Compensating Fibers (DCF) are widely used to compensate dispersive effect. Dispersion Compensation Technology using DCF is used in three configurations (Pre, post and symmetrical DCF). In this paper, WDM System is evaluated at 32×10 Gbps, 32×20 Gbps and 32×40 Gbps with Post Dispersion Compensation technique and Symmetrical Dispersion Compensation technique with EDFA. RZ modulation format is used at transmitter. The results are analyzed by studying Eye Diagrams and the performance is compared for both configurations on the basis of Q-Factor and Bit Error Rate. The analysis is done using Opti-system simulator.

Keywords: BER, Dispersion Compensation, DCF, Q-Factor, SMF, WDM.

Article published in International Journal of Current Engineering and Technology, Vol.7, No.4 (Aug-2017)

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