Constrained coding techniques for the suppression of intrachannel nonlinear effects in high-speed optical transmission

Ivan B. Djordjevic; Bane Vasic

doi:10.1109/JLT.2005.860139

Constrained coding techniques for the suppression of intrachannel nonlinear effects in high-speed optical transmission

Ivan B. Djordjevic, Bane Vasic

Research output: Contribution to journal › Article › peer-review

38 Scopus citations

Abstract

A problem of suppression of intrachannel nonlinearities through the use of constrained coding is considered. Three different techniques are proposed and compared with respect to their efficiency, namely 1) constrained coding; 2) combined constrained and error control coding; and 3) deliberate error insertion. Significant Q-factor improvement up to 16 dB depending on code rate and number of spans is demonstrated. A combined constrained-iterative forward error correction (FEC) scheme can operate in the presence of strong intrachannel nonlinearities when even advanced FEC schemes would be overwhelmed with errors. It provides a coding gain of 12.1 dB at a bit error rate (BER) of 10 ^-9. Deliberate error insertion is an efficient approach to balance the encoder complexity and the achievable coding gain.

Original language	English (US)
Pages (from-to)	411-418
Number of pages	8
Journal	Journal of Lightwave Technology
Volume	24
Issue number	1
DOIs	https://doi.org/10.1109/JLT.2005.860139
State	Published - Jan 2006

Keywords

Constrained coding
Intrachannel cross-phase modulation
Intrachannel four-wave mixing
Optical communications

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1109/JLT.2005.860139

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title = "Constrained coding techniques for the suppression of intrachannel nonlinear effects in high-speed optical transmission",

abstract = "A problem of suppression of intrachannel nonlinearities through the use of constrained coding is considered. Three different techniques are proposed and compared with respect to their efficiency, namely 1) constrained coding; 2) combined constrained and error control coding; and 3) deliberate error insertion. Significant Q-factor improvement up to 16 dB depending on code rate and number of spans is demonstrated. A combined constrained-iterative forward error correction (FEC) scheme can operate in the presence of strong intrachannel nonlinearities when even advanced FEC schemes would be overwhelmed with errors. It provides a coding gain of 12.1 dB at a bit error rate (BER) of 10 -9. Deliberate error insertion is an efficient approach to balance the encoder complexity and the achievable coding gain.",

keywords = "Constrained coding, Intrachannel cross-phase modulation, Intrachannel four-wave mixing, Optical communications",

author = "Djordjevic, {Ivan B.} and Bane Vasic",

note = "Funding Information: Manuscript received April 18, 2005; revised August 29, 2005. This work was supported by the National Science Foundation (NSF) under Grants ITR 0325979 and CCR 0208597.",

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AB - A problem of suppression of intrachannel nonlinearities through the use of constrained coding is considered. Three different techniques are proposed and compared with respect to their efficiency, namely 1) constrained coding; 2) combined constrained and error control coding; and 3) deliberate error insertion. Significant Q-factor improvement up to 16 dB depending on code rate and number of spans is demonstrated. A combined constrained-iterative forward error correction (FEC) scheme can operate in the presence of strong intrachannel nonlinearities when even advanced FEC schemes would be overwhelmed with errors. It provides a coding gain of 12.1 dB at a bit error rate (BER) of 10 -9. Deliberate error insertion is an efficient approach to balance the encoder complexity and the achievable coding gain.

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Constrained coding techniques for the suppression of intrachannel nonlinear effects in high-speed optical transmission

Abstract

Keywords

ASJC Scopus subject areas

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