On shaping gain in the nonlinear fiber-optic channel

Ronen Dar; Meir Feder; Antonio Mecozzi; Mark Shtaif

doi:10.1109/ISIT.2014.6875343

On shaping gain in the nonlinear fiber-optic channel

Ronen Dar, Meir Feder, Antonio Mecozzi, Mark Shtaif

School of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

Abstract

Fiber's nonlinearity fundamentally bounds the achievable information rates in fiber-optic communication systems. In a wavelength-division multiplexed system it induces a nonlinear interference between adjacent channels, an interference that was recently shown to have a strong dependance on the input distribution. In this work we show that a ball shaped input constellation may significantly reduce the nonlinear effects. We study the shaping gains in the fiber-optic channel and show that in certain scenarios the maximum gains may be higher than the 1.53dB ultimate shaping gain in linear additive white Gaussian noise channels. Furthermore, the maximum gain is achieved with a finite-dimensional ball shaping region.

Original language	English
Title of host publication	2014 IEEE International Symposium on Information Theory, ISIT 2014
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	2794-2798
Number of pages	5
ISBN (Print)	9781479951864
DOIs	https://doi.org/10.1109/ISIT.2014.6875343
State	Published - 2014
Event	2014 IEEE International Symposium on Information Theory, ISIT 2014 - Honolulu, HI, United States Duration: 29 Jun 2014 → 4 Jul 2014

Publication series

Name	IEEE International Symposium on Information Theory - Proceedings
ISSN (Print)	2157-8095

Conference

Conference	2014 IEEE International Symposium on Information Theory, ISIT 2014
Country/Territory	United States
City	Honolulu, HI
Period	29/06/14 → 4/07/14

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10.1109/ISIT.2014.6875343

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Dar, R., Feder, M., Mecozzi, A., & Shtaif, M. (2014). On shaping gain in the nonlinear fiber-optic channel. In 2014 IEEE International Symposium on Information Theory, ISIT 2014 (pp. 2794-2798). [6875343] (IEEE International Symposium on Information Theory - Proceedings). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ISIT.2014.6875343

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abstract = "Fiber's nonlinearity fundamentally bounds the achievable information rates in fiber-optic communication systems. In a wavelength-division multiplexed system it induces a nonlinear interference between adjacent channels, an interference that was recently shown to have a strong dependance on the input distribution. In this work we show that a ball shaped input constellation may significantly reduce the nonlinear effects. We study the shaping gains in the fiber-optic channel and show that in certain scenarios the maximum gains may be higher than the 1.53dB ultimate shaping gain in linear additive white Gaussian noise channels. Furthermore, the maximum gain is achieved with a finite-dimensional ball shaping region.",

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Dar, R, Feder, M, Mecozzi, A & Shtaif, M 2014, On shaping gain in the nonlinear fiber-optic channel. in 2014 IEEE International Symposium on Information Theory, ISIT 2014., 6875343, IEEE International Symposium on Information Theory - Proceedings, Institute of Electrical and Electronics Engineers Inc., pp. 2794-2798, 2014 IEEE International Symposium on Information Theory, ISIT 2014, Honolulu, HI, United States, 29/06/14. https://doi.org/10.1109/ISIT.2014.6875343

On shaping gain in the nonlinear fiber-optic channel. / Dar, Ronen; Feder, Meir; Mecozzi, Antonio et al.

2014 IEEE International Symposium on Information Theory, ISIT 2014. Institute of Electrical and Electronics Engineers Inc., 2014. p. 2794-2798 6875343 (IEEE International Symposium on Information Theory - Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

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On shaping gain in the nonlinear fiber-optic channel

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