Volume 6, Issue 1, March 2018, Page: 14-19
BER Performance of PDM 4-QAM Optical Transmission System Considering the Effects of PMD and GVD Using Exact Probability Density Function
Kazi Abu Taher, Department of Electrical and Electronic Engineering, American International University Bangladesh, Dhaka, Bangladesh
Satya Prasad Majumder, Department of Electrical and Electronic Engineering, Bangladesh University of Engineering and Technology, Dhaka, Bangladesh
Received: Jan. 20, 2018;       Accepted: Feb. 11, 2018;       Published: Mar. 14, 2018
DOI: 10.11648/j.ajop.20180601.13      View  1325      Downloads  53
Abstract
A noble theoretical approach is presented to evaluate the bit error rate (BER) performance of an optical polarization division multiplexed (PDM) 4-multilevel quadrature amplitude modulation (4-QAM) transmission system under the combined influence of polarization mode dispersion (PMD) and group velocity dispersion (GVD) in a single mode fiber (SMF). The analysis is carried out considering a coherent homodyne receiver. The exact probability density function (pdf) fluctuation due to PMD and GVD is evaluated from its moments using a Monte-Carlo simulation technique. Average BER is evaluated by averaging the conditional BER over the pdf of the random phase fluctuation. BER performance results are evaluated for different system parameters. It is found that PDM 4-QAM coherent homodyne system doubles the data rate but suffers more power penalty than the 4-QAM system. Results show that for a BER of 10-9 at DGD of 0.5T and GVD value of 1700 ps/nm the PDM 4-QAM system needs 2.21 dB more power than 4-QAM systems giving the leverage of doubling the data rate.
Keywords
Quadrature Amplitude Modulation, Polarization Division Multiplexing, Polarization Mode Dispersion, Group Velocity Dispersion
To cite this article
Kazi Abu Taher, Satya Prasad Majumder, BER Performance of PDM 4-QAM Optical Transmission System Considering the Effects of PMD and GVD Using Exact Probability Density Function, American Journal of Optics and Photonics. Vol. 6, No. 1, 2018, pp. 14-19. doi: 10.11648/j.ajop.20180601.13
Copyright
Copyright © 2018 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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