Perturbation-based FEC-assisted Iterative Nonlinearity Compensation for WDM Systems

Edson Porto da Silva; Metodi Plamenov Yankov; Francesco Da Ros; Toshio Morioka; Leif Katsuo Oxenloewe

doi:10.1109/JLT.2018.2882638

Perturbation-based FEC-assisted Iterative Nonlinearity Compensation for WDM Systems

Edson Porto da Silva^*, Metodi Plamenov Yankov, Francesco Da Ros, Toshio Morioka, Leif Katsuo Oxenloewe

^*Corresponding author for this work

Centre of Excellence for Silicon Photonics for Optical Communications

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Abstract

A perturbation-based nonlinear compensation scheme assisted by a feedback from the forward error correction (FEC) decoder is numerically and experimentally investigated. It is shown by numerical simulations and transmission experiments that a feedback from the FEC decoder enables improved compensation performance, allowing the receiver to operate very close to the full data-aided performance bounds. The experimental analysis considers the dispersion uncompensated transmission of a 532 GBd WDM system with DP-16QAM and DP-64QAM after 4200 km and 1120 km, respectively. The experimental results show that the proposed scheme outperforms single-channel digital backpropagation.

Original language	English
Journal	Journal of Lightwave Technology
Volume	37
Issue number	3
Pages (from-to)	875-881
ISSN	0733-8724
DOIs	https://doi.org/10.1109/JLT.2018.2882638
Publication status	Published - 1 Jan 2018

Keywords

Decoding
Digital Backpropagation
Digital Signal Processing
Forward error correction
Iterative decoding
Kerr Nonlinearities
Nonlinear distortion
Receivers
Wavelength division multiplexing

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10.1109/JLT.2018.2882638

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title = "Perturbation-based FEC-assisted Iterative Nonlinearity Compensation for WDM Systems",

abstract = "A perturbation-based nonlinear compensation scheme assisted by a feedback from the forward error correction (FEC) decoder is numerically and experimentally investigated. It is shown by numerical simulations and transmission experiments that a feedback from the FEC decoder enables improved compensation performance, allowing the receiver to operate very close to the full data-aided performance bounds. The experimental analysis considers the dispersion uncompensated transmission of a 532 GBd WDM system with DP-16QAM and DP-64QAM after 4200 km and 1120 km, respectively. The experimental results show that the proposed scheme outperforms single-channel digital backpropagation.",

keywords = "Decoding, Digital Backpropagation, Digital Signal Processing, Forward error correction, Iterative decoding, Kerr Nonlinearities, Nonlinear distortion, Receivers, Wavelength division multiplexing",

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AU - Porto da Silva, Edson

AU - Yankov, Metodi Plamenov

AU - Da Ros, Francesco

AU - Morioka, Toshio

AU - Oxenloewe, Leif Katsuo

PY - 2018/1/1

Y1 - 2018/1/1

N2 - A perturbation-based nonlinear compensation scheme assisted by a feedback from the forward error correction (FEC) decoder is numerically and experimentally investigated. It is shown by numerical simulations and transmission experiments that a feedback from the FEC decoder enables improved compensation performance, allowing the receiver to operate very close to the full data-aided performance bounds. The experimental analysis considers the dispersion uncompensated transmission of a 532 GBd WDM system with DP-16QAM and DP-64QAM after 4200 km and 1120 km, respectively. The experimental results show that the proposed scheme outperforms single-channel digital backpropagation.

AB - A perturbation-based nonlinear compensation scheme assisted by a feedback from the forward error correction (FEC) decoder is numerically and experimentally investigated. It is shown by numerical simulations and transmission experiments that a feedback from the FEC decoder enables improved compensation performance, allowing the receiver to operate very close to the full data-aided performance bounds. The experimental analysis considers the dispersion uncompensated transmission of a 532 GBd WDM system with DP-16QAM and DP-64QAM after 4200 km and 1120 km, respectively. The experimental results show that the proposed scheme outperforms single-channel digital backpropagation.

KW - Decoding

KW - Digital Backpropagation

KW - Digital Signal Processing

KW - Forward error correction

KW - Iterative decoding

KW - Kerr Nonlinearities

KW - Nonlinear distortion

KW - Receivers

KW - Wavelength division multiplexing

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JO - Journal of Lightwave Technology

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Perturbation-based FEC-assisted Iterative Nonlinearity Compensation for WDM Systems

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