Analysis and optimisation of the performance of nonlinear optical communication systems

We investigate the feasibility of simultaneous suppressing of the amplification noise and nonlinearity, representing the most fundamental limiting factors in modern optical communication. To accomplish this task we developed a general design optimisation technique, based on concepts of noise and non...

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Main Author: Nasieva, Irina O.
Published: Aston University 2006
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Online Access:http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.442653
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spelling ndltd-bl.uk-oai-ethos.bl.uk-4426532017-04-20T03:24:38ZAnalysis and optimisation of the performance of nonlinear optical communication systemsNasieva, Irina O.2006We investigate the feasibility of simultaneous suppressing of the amplification noise and nonlinearity, representing the most fundamental limiting factors in modern optical communication. To accomplish this task we developed a general design optimisation technique, based on concepts of noise and nonlinearity management. We demonstrate the immense efficiency of the novel approach by applying it to a design optimisation of transmission lines with periodic dispersion compensation using Raman and hybrid Raman-EDFA amplification. Moreover, we showed, using nonlinearity management considerations, that the optimal performance in high bit-rate dispersion managed fibre systems with hybrid amplification is achieved for a certain amplifier spacing – which is different from commonly known optimal noise performance corresponding to fully distributed amplification. Required for an accurate estimation of the bit error rate, the complete knowledge of signal statistics is crucial for modern transmission links with strong inherent nonlinearity. Therefore, we implemented the advanced multicanonical Monte Carlo (MMC) method, acknowledged for its efficiency in estimating distribution tails. We have accurately computed acknowledged for its efficiency in estimating distribution tails. We have accurately computed marginal probability density functions for soliton parameters, by numerical modelling of Fokker-Plank equation applying the MMC simulation technique. Moreover, applying a powerful MMC method we have studied the BER penalty caused by deviations from the optimal decision level in systems employing in-line 2R optical regeneration. We have demonstrated that in such systems the analytical linear approximation that makes a better fit in the central part of the regenerator nonlinear transfer function produces more accurate approximation of the BER and BER penalty. We present a statistical analysis of RZ-DPSK optical signal at direct detection receiver with Mach-Zehnder interferometer demodulation621.3694Electronic and Electrical EngineeringAston Universityhttp://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.442653http://publications.aston.ac.uk/8242/Electronic Thesis or Dissertation
collection NDLTD
sources NDLTD
topic 621.3694
Electronic and Electrical Engineering
spellingShingle 621.3694
Electronic and Electrical Engineering
Nasieva, Irina O.
Analysis and optimisation of the performance of nonlinear optical communication systems
description We investigate the feasibility of simultaneous suppressing of the amplification noise and nonlinearity, representing the most fundamental limiting factors in modern optical communication. To accomplish this task we developed a general design optimisation technique, based on concepts of noise and nonlinearity management. We demonstrate the immense efficiency of the novel approach by applying it to a design optimisation of transmission lines with periodic dispersion compensation using Raman and hybrid Raman-EDFA amplification. Moreover, we showed, using nonlinearity management considerations, that the optimal performance in high bit-rate dispersion managed fibre systems with hybrid amplification is achieved for a certain amplifier spacing – which is different from commonly known optimal noise performance corresponding to fully distributed amplification. Required for an accurate estimation of the bit error rate, the complete knowledge of signal statistics is crucial for modern transmission links with strong inherent nonlinearity. Therefore, we implemented the advanced multicanonical Monte Carlo (MMC) method, acknowledged for its efficiency in estimating distribution tails. We have accurately computed acknowledged for its efficiency in estimating distribution tails. We have accurately computed marginal probability density functions for soliton parameters, by numerical modelling of Fokker-Plank equation applying the MMC simulation technique. Moreover, applying a powerful MMC method we have studied the BER penalty caused by deviations from the optimal decision level in systems employing in-line 2R optical regeneration. We have demonstrated that in such systems the analytical linear approximation that makes a better fit in the central part of the regenerator nonlinear transfer function produces more accurate approximation of the BER and BER penalty. We present a statistical analysis of RZ-DPSK optical signal at direct detection receiver with Mach-Zehnder interferometer demodulation
author Nasieva, Irina O.
author_facet Nasieva, Irina O.
author_sort Nasieva, Irina O.
title Analysis and optimisation of the performance of nonlinear optical communication systems
title_short Analysis and optimisation of the performance of nonlinear optical communication systems
title_full Analysis and optimisation of the performance of nonlinear optical communication systems
title_fullStr Analysis and optimisation of the performance of nonlinear optical communication systems
title_full_unstemmed Analysis and optimisation of the performance of nonlinear optical communication systems
title_sort analysis and optimisation of the performance of nonlinear optical communication systems
publisher Aston University
publishDate 2006
url http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.442653
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