30% Reach Increase via Low-complexity Hybrid HD/SD FEC and Improved 4D Modulation

Gabriele Liga; Bin Chen; Sjoerd van der Heide; Alireza Sheikh; Menno van den Hout; Chigo M. Okonkwo; Alex  Alvarado

doi:10.1109/LPT.2020.2995636

30% Reach Increase via Low-complexity Hybrid HD/SD FEC and Improved 4D Modulation

Gabriele Liga (Corresponding author), Bin Chen (Corresponding author), Sjoerd van der Heide, Alireza Sheikh, Menno van den Hout, Chigo M. Okonkwo, Alex Alvarado

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

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Abstract

Current optical coherent transponders technology is driving data rates towards 1 Tb/s/λ and beyond. This trend requires both high-performance coded modulation schemes and efficient implementation of the forward-error-correction (FEC) decoder. A possible solution to this problem is combining advanced multidimensional modulation formats with low-complexity hybrid HD/SD FEC decoders. Following this rationale, in this paper we combine two recently introduced coded modulation techniques: the geometrically-shaped 4D-64 polarization ring-switched and the soft-aided bit-marking-scaled reliability decoder. This joint scheme enabled us to experimentally demonstrate the transmission of 11×218 Gbit/s channels over transatlantic distances at 5.2 bit/4D-sym. Furthermore, a 30% reach increase is demonstrated over PM-8QAM and conventional HD-FEC decoding for product codes.

Original language	English
Article number	9096398
Pages (from-to)	827-830
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	32
Issue number	13
Early online date	19 May 2020
DOIs	https://doi.org/10.1109/LPT.2020.2995636
Publication status	Published - 1 Jul 2020

Funding

Manuscript received December 31, 2019; revised April 25, 2020; accepted May 9, 2020. Date of publication May 19, 2020; date of current version June 8, 2020. This work was supported in part by the NWO Gravitation Research Center for Integrated Nanophotonics under Grant GA 024.002.033. The work of Gabriele Liga was supported in part by the EUROTECH Programme (Marie Skłodowska-Curie) under Grant 754462 and in part by the European Research Council (ERC) through the European Union’s Horizon 2020 Research and Innovation Programme under Grant 757791. The work of Bin Chen was supported in part by the National Natural Science Foundation of China (NSFC) under Grant 61701155. The work of Alireza Sheikh was supported by the European Research Council (ERC) through the European Union’s Horizon 2020 Research and Innovation Programme under Grant 757791. The work of Alex Alvarado was supported by the European Research Council (ERC) through the European Union’s Horizon 2020 Research and Innovation Programme under Grant 757791 and in part by The Netherlands Organization for Scientific Research (NWO) via the VIDI Grant ICONIC under Project 15685. (Corresponding author: Gabriele Liga.) Gabriele Liga, Alireza Sheikh, and Alex Alvarado are with the Signal Processing Systems (SPS) Group, Department of Electrical Engineering, Eindhoven University of Technology, 5612 Eindhoven, The Netherlands (e-mail: [email protected]).

Funders	Funder number
Nederlandse Organisatie voor Wetenschappelijk Onderzoek	15685
Horizon 2020 Framework Programme	757791
Marie Skłodowska‐Curie	754462
H2020 European Research Council
National Natural Science Foundation of China	61701155
Nederlandse Organisatie voor Wetenschappelijk Onderzoek	GA 024.002.033

Keywords

Forward error correction~(FEC)
optical fiber communication
product codes (PCs)

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10.1109/LPT.2020.2995636

FINAL VERSIONFinal author version , 537 KB

Cite this

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title = "30% Reach Increase via Low-complexity Hybrid HD/SD FEC and Improved 4D Modulation",

abstract = "Current optical coherent transponders technology is driving data rates towards 1 Tb/s/λ and beyond. This trend requires both high-performance coded modulation schemes and efficient implementation of the forward-error-correction (FEC) decoder. A possible solution to this problem is combining advanced multidimensional modulation formats with low-complexity hybrid HD/SD FEC decoders. Following this rationale, in this paper we combine two recently introduced coded modulation techniques: the geometrically-shaped 4D-64 polarization ring-switched and the soft-aided bit-marking-scaled reliability decoder. This joint scheme enabled us to experimentally demonstrate the transmission of 11×218 Gbit/s channels over transatlantic distances at 5.2 bit/4D-sym. Furthermore, a 30% reach increase is demonstrated over PM-8QAM and conventional HD-FEC decoding for product codes.",

keywords = "Forward error correction~(FEC), optical fiber communication, product codes (PCs)",

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AU - van den Hout, Menno

AU - Okonkwo, Chigo M.

AU - Alvarado, Alex

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AB - Current optical coherent transponders technology is driving data rates towards 1 Tb/s/λ and beyond. This trend requires both high-performance coded modulation schemes and efficient implementation of the forward-error-correction (FEC) decoder. A possible solution to this problem is combining advanced multidimensional modulation formats with low-complexity hybrid HD/SD FEC decoders. Following this rationale, in this paper we combine two recently introduced coded modulation techniques: the geometrically-shaped 4D-64 polarization ring-switched and the soft-aided bit-marking-scaled reliability decoder. This joint scheme enabled us to experimentally demonstrate the transmission of 11×218 Gbit/s channels over transatlantic distances at 5.2 bit/4D-sym. Furthermore, a 30% reach increase is demonstrated over PM-8QAM and conventional HD-FEC decoding for product codes.

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30% Reach Increase via Low-complexity Hybrid HD/SD FEC and Improved 4D Modulation

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Fundamentals of the Nonlinear Optical Channel

ICONIC: Increasing the Capacity of Optical Nonlinear Interfering Channels

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30% Reach Increase via Low-complexity Hybrid HD/SD FEC and Improved 4D Modulation

Abstract

Funding

Keywords

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Other files and links

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Projects

Fundamentals of the Nonlinear Optical Channel

ICONIC: Increasing the Capacity of Optical Nonlinear Interfering Channels

Cite this