Approaching the Non-Linear Shannon Limit

We review the recent progress of information theory in optical communications, and describe the current experimental results and associated advances in various individual technologies which increase the information capacity. We confirm the widely held belief that the reported capacities are approach...

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Bibliographic Details
Published in:Journal of lightwave technology Vol. 28; no. 4; pp. 423 - 433
Main Authors: Ellis, A.D., Jian Zhao, Cotter, D.
Format: Journal Article
Language:English
Published: New York IEEE 15.02.2010
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Bandwidth
Information rates
Information theory
Modulation coding
non-linear optics
Nonlinearity
OFDM
Optical communication
Optical fiber communication
Optical fiber networks
Optical fibers
Paper technology
Reduction
Signal to noise ratio
Wavelength division multiplexing
ISSN:0733-8724, 1558-2213
Online Access:Get full text
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Summary:We review the recent progress of information theory in optical communications, and describe the current experimental results and associated advances in various individual technologies which increase the information capacity. We confirm the widely held belief that the reported capacities are approaching the fundamental limits imposed by signal-to-noise ratio and the distributed non-linearity of conventional optical fibres, resulting in the reduction in the growth rate of communication capacity. We also discuss the techniques which are promising to increase and/or approach the information capacity limit.
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ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2009.2030693