Volterra-based reconfigurable nonlinear equalizer for coherent OFDM

  • Elias Giacoumidis
  • , Ivan Aldaya
  • , Mutsam A. Jarajreh
  • , Athanasios Tsokanos
  • , Sonthai Le
  • , Farsheed Farjady
  • , Yves Jaouen
  • , Andrew D. Ellis
  • , Nick J. Doran

Research output: Contribution to journalArticlepeer-review

Abstract

A reconfigurable nonlinear equalizer (RNLE) based on inverse Volterra series transfer function is proposed for dual-polarization (DP) and multiband coherent optical orthogonal frequency-division multiplexing (OFDM) signals. It is shown that the RNLE outperforms by 2 dB the linear equalization in a 260-Gb/s DP-OFDM system at 1500 km. The RNLE improves the tolerance to inter/intraband nonlinearities, being independent on polarization tributaries, modulation format, signal bit rate, subcarrier number, and distance.

Original languageEnglish
Article number6840384
Pages (from-to)1383-1386
Number of pages4
JournalIEEE Photonics Technology Letters
Volume26
Issue number14
DOIs
Publication statusPublished - 15 Jul 2014

Keywords

  • OFDM
  • Optical communication
  • coherent optical fiber transmission
  • nonlinear equalizer

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