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

Onderzoeksoutput: Bijdrage aan tijdschrift › Tijdschriftartikel › Academic › peer review

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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-2	Engels
Artikelnummer	9096398
Pagina's (van-tot)	827-830
Aantal pagina's	4
Tijdschrift	IEEE Photonics Technology Letters
Volume	32
Nummer van het tijdschrift	13
Vroegere onlinedatum	19 mei 2020
DOI's	https://doi.org/10.1109/LPT.2020.2995636
Status	Gepubliceerd - 1 jul 2020

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10.1109/LPT.2020.2995636

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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.",

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30% Reach Increase via Low-complexity Hybrid HD/SD FEC and Improved 4D Modulation. / Liga, Gabriele (Corresponding author); Chen, Bin (Corresponding author); van der Heide, Sjoerd ; Sheikh, Alireza ; van den Hout, Menno ; Okonkwo, Chigo M.; Alvarado, Alex .

In: IEEE Photonics Technology Letters, Vol. 32, Nr. 13, 9096398, 01.07.2020, blz. 827-830.

Onderzoeksoutput: Bijdrage aan tijdschrift › Tijdschriftartikel › Academic › peer review

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