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

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Samenvatting

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.
Originele taal-2Engels
Artikelnummer9096398
Pagina's (van-tot)827-830
Aantal pagina's4
TijdschriftIEEE Photonics Technology Letters
Volume32
Nummer van het tijdschrift13
Vroegere onlinedatum19 mei 2020
DOI's
StatusGepubliceerd - 1 jul. 2020

Financiering

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]).

FinanciersFinanciernummer
Nederlandse Organisatie voor Wetenschappelijk Onderzoek15685
Horizon 2020 Framework Programme757791
H2020 Marie Skłodowska-Curie Actions754462
European Research Council
National Natural Science Foundation of China61701155
Nederlandse Organisatie voor Wetenschappelijk OnderzoekGA 024.002.033

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