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Submarine transmission systems using digital nonlinear compensation and adaptive rate forward error correction

  • Amirhossein Ghazisaeidi
  • , Ivan Fernandez De Jauregui Ruiz
  • , Laurent Schmalen
  • , Patrice Tran
  • , Christian Simonneau
  • , Elie Awwad
  • , Bogdan Uscumlic
  • , Patrick Brindel
  • , Gabriel Charlet
  • Centre de Villarceaux
  • Bell Labs

Research output: Contribution to journalArticlepeer-review

64 Citations (Scopus)

Abstract

We report on a full C+L-band erbium-doped fiber amplified (EDFA) submarine transmission experiment of 178 wavelength-division multiplexed channels of 49-GBd polarization multiplexed 16QAM signals, achieving 54.2 Tb/s after 6600 km, with a record per-channel average net bit rate of 304.5 Gb/s. Digital backpropagation and time-domain perturbative nonlinearity compensation were alternatively applied to all channels and their respective benefits, in terms of throughput increase, reach increase, and complexity, were addressed. Multiple-rate spatially coupled low density parity check forward error correction codes with a novel rate optimization algorithm were employed. The power consumption of the power feeding equipment of our EDFA-only amplification scheme was analyzed and compared with that of hybrid EDFA Raman amplification. We also provided numerical and theoretical performance analysis of nonlinear uncompensated/ compensated systems.

Original languageEnglish
Article number2518929
Pages (from-to)1886-1895
Number of pages10
JournalJournal of Lightwave Technology
Volume34
Issue number8
DOIs
Publication statusPublished - 15 Apr 2016
Externally publishedYes

Keywords

  • Adaptive multi-rate FEC
  • Digital backpropagation
  • PDM 16-QAM
  • Perturbative nonlinear compensation
  • Rate optimization
  • Spatially-coupled LDPC
  • Submarine transmission

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