Coherent wavelength division multiplexing: a novel transmission format for high spectral density optical communication networks
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Date
2007
Authors
Healy, Tadhg Conor
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Publisher
University College Cork
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Abstract
In this thesis a novel transmission format, named Coherent Wavelength Division Multiplexing (CoWDM) for use in high information spectral density optical communication networks is proposed and studied. In chapter I a historical view of fibre optic communication systems as well as an overview of state of the art technology is presented to provide an introduction to the subject area. We see that, in general the aim of modern optical communication system designers is to provide high bandwidth services while reducing the overall cost per transmitted bit of information. In the remainder of the thesis a range of investigations, both of a theoretical and experimental nature are carried out using the CoWDM transmission format. These investigations are designed to consider features of CoWDM such as its dispersion tolerance, compatibility with forward error correction and suitability for use in currently installed long haul networks amongst others. A high bit rate optical test bed constructed at the Tyndall National Institute facilitated most of the experimental work outlined in this thesis and a collaboration with France Telecom enabled long haul transmission experiments using the CoWDM format to be carried out. An amount of research was also carried out on ancillary topics such as optical comb generation, forward error correction and phase stabilisation techniques. The aim of these investigations is to verify the suitability of CoWDM as a cost effective solution for use in both current and future high bit rate optical communication networks
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Keywords
Implementation , CoWDM performance characteristics , Extended CoWDM experimental investigations , Coherent wavelength division multiplexing theory and modelling , High capacity spectral density optical communication
Citation
Healy, T. C. 2007. Coherent wavelength division multiplexing: a novel transmission format for high spectral density optical communication networks. PhD Thesis, University College Cork.