Comparison of pre and post-dispersion compensation schemes with RZ, NRZ and Gaussian modulations for 10 GBPS and 40 GBPS transmission rates / Comparação de esquemas de compensação pré e pós-dispersão com modulações RZ, NRZ e Gaussina para as taxas de transmissão de 10 GBPS e 40 GBPS
DOI:
https://doi.org/10.34117/bjdv8n7-107Keywords:
OptiSystem, dispersion compensation, dispersion compensating fiber, bit rate.Abstract
In this paper, we investigate two dispersion compensation methods: post-compensation, and pre-compensation for transmission rates from 10Gbps to 40Gbps with return to zero (RZ), non-return to zero (NRZ) and Guassian modulations using single fiber mode-fiber (SMF) and dispersion compensating fiber (DCF). The influence of the DCF compensator dispersion with different transmission rates was studied in order to evaluate the performance of the proposed systems. The simulation results were validated through the analysis of the quality factor (Q-factor) and the bit error rate (BER), where it was verified that the post-compensation system with Gaussian modulation offered better performance results in function of the transmission rate variation.
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