Simulation On The Impact Of Cross-Phase Modulation (XPM) On WDM Optical Transmission System

The innovation of Wavelenght Division Multiplexing (WDM) has provided the scalability necessary to cope with the capacity demands of data-driven communications. This technology fully utilizes the huge bandwidth potential offered by fiber by transmitting several wavelenghts or channels inside the sam...

Full description

Saved in:

Bibliographic Details
Main Author:	Ezmir Mohd Razali
Format:	Thesis
Published:	2003
Subjects:	LB2300 Higher Education
Tags:	Add Tag No Tags, Be the first to tag this record!

id	my-mmu-ep.47
record_format	uketd_dc
spelling	my-mmu-ep.472009-12-04T10:50:01Z Simulation On The Impact Of Cross-Phase Modulation (XPM) On WDM Optical Transmission System 2003 Ezmir Mohd Razali, LB2300 Higher Education The innovation of Wavelenght Division Multiplexing (WDM) has provided the scalability necessary to cope with the capacity demands of data-driven communications. This technology fully utilizes the huge bandwidth potential offered by fiber by transmitting several wavelenghts or channels inside the same fiber. However, it causes a nonlinear interaction between the co-propagation pulses through a nonlinear phenomenon known as Cross-Phase Modulation (XPM). XPM proved to be a major limiting factor that causes high performance degradation especially for WDM system deploying Intensity Modulation with Direct Detection (IM DD) scheme. Current studies on XPM in WDM system are focusing on investigating the degree of output pulse distortion induced by XPM and did not evaluate the effect of XPM base on specific system performance parameters. The aim of this research is to propose an optimum design parameters and system configuration necessary in order to overcome and eliminate the effect of XPM in WDM IM DD transmission system. The effect of XPM is investigated by a computer simulation using OptSim 3.0-2, while Matlab and Fotran is used to model and simulate the optical fiber and performance parameters evaluation. The simulation is based on design parameter under consideration which are input power, channel spacing, number of channels, fiber dispersion, fiber lenght, channel bit rate and number of segments. For each design parameter, the level of XPM on WDM syatem is investigated based on the performance parameter under consideration which are BER, receiver sensitivity, Q-factor and eye penalty. From the simulation results, XPM in WDM IM DD system can effectively be reduced in three ways. First, power transmitted per channel is increased up to the acceptable Signal-to-Noise Ratio (SNR) level but without interfering with the neighbouring channel. Second, the channel spacing is increased up to the optimum value such that all channels are independent with each other. XPM can be reduced further by using a dispersion management configuration where a dispersion compensator is used to compensate dispersion effect in optical fiber. From the simulation results, distributed DC configuration is found to be the most effective configuration to reduce XPM. 2003 Thesis http://shdl.mmu.edu.my/47/ http://vlib.mmu.edu.my/diglib/login/dlusr/login.php masters Multimedia University Research Library
institution	Multimedia University
collection	MMU Institutional Repository
topic	LB2300 Higher Education
spellingShingle	LB2300 Higher Education Ezmir Mohd Razali, Simulation On The Impact Of Cross-Phase Modulation (XPM) On WDM Optical Transmission System
description	The innovation of Wavelenght Division Multiplexing (WDM) has provided the scalability necessary to cope with the capacity demands of data-driven communications. This technology fully utilizes the huge bandwidth potential offered by fiber by transmitting several wavelenghts or channels inside the same fiber. However, it causes a nonlinear interaction between the co-propagation pulses through a nonlinear phenomenon known as Cross-Phase Modulation (XPM). XPM proved to be a major limiting factor that causes high performance degradation especially for WDM system deploying Intensity Modulation with Direct Detection (IM DD) scheme. Current studies on XPM in WDM system are focusing on investigating the degree of output pulse distortion induced by XPM and did not evaluate the effect of XPM base on specific system performance parameters. The aim of this research is to propose an optimum design parameters and system configuration necessary in order to overcome and eliminate the effect of XPM in WDM IM DD transmission system. The effect of XPM is investigated by a computer simulation using OptSim 3.0-2, while Matlab and Fotran is used to model and simulate the optical fiber and performance parameters evaluation. The simulation is based on design parameter under consideration which are input power, channel spacing, number of channels, fiber dispersion, fiber lenght, channel bit rate and number of segments. For each design parameter, the level of XPM on WDM syatem is investigated based on the performance parameter under consideration which are BER, receiver sensitivity, Q-factor and eye penalty. From the simulation results, XPM in WDM IM DD system can effectively be reduced in three ways. First, power transmitted per channel is increased up to the acceptable Signal-to-Noise Ratio (SNR) level but without interfering with the neighbouring channel. Second, the channel spacing is increased up to the optimum value such that all channels are independent with each other. XPM can be reduced further by using a dispersion management configuration where a dispersion compensator is used to compensate dispersion effect in optical fiber. From the simulation results, distributed DC configuration is found to be the most effective configuration to reduce XPM.
format	Thesis
qualification_level	Master's degree
author	Ezmir Mohd Razali,
author_facet	Ezmir Mohd Razali,
author_sort	Ezmir Mohd Razali,
title	Simulation On The Impact Of Cross-Phase Modulation (XPM) On WDM Optical Transmission System
title_short	Simulation On The Impact Of Cross-Phase Modulation (XPM) On WDM Optical Transmission System
title_full	Simulation On The Impact Of Cross-Phase Modulation (XPM) On WDM Optical Transmission System
title_fullStr	Simulation On The Impact Of Cross-Phase Modulation (XPM) On WDM Optical Transmission System
title_full_unstemmed	Simulation On The Impact Of Cross-Phase Modulation (XPM) On WDM Optical Transmission System
title_sort	simulation on the impact of cross-phase modulation (xpm) on wdm optical transmission system
granting_institution	Multimedia University
granting_department	Research Library
publishDate	2003
_version_	1747829075334922240

Simulation On The Impact Of Cross-Phase Modulation (XPM) On WDM Optical Transmission System

Similar Items