Demonstration of nonlinear inverse synthesis transmission over transoceanic distances

Research output: Contribution to journalArticle

Abstract

Nonlinear Fourier transform (NFT) and eigenvalue communication with the use of nonlinear signal spectrum (both discrete and continuous), have been recently discussed as promising transmission methods to combat fiber nonlinearity impairments. In this paper, for the first time, we demonstrate the generation, detection and transmission performance over transoceanic distances of 10 Gbaud and nonlinear inverse synthesis (NIS) based signal (4 Gb/s line rate), in which the transmitted information is encoded directly onto the continuous part of the signal nonlinear spectrum. By applying effective digital signal processing techniques, a reach of 7344 km was achieved with a bit-error-rate (BER) (2.1×10-2) below the 20% FEC threshold. This represents an improvement by a factor of ~12 in data capacity x distance product compared with other previously demonstrated NFT-based systems, showing a significant advance in the active research area of NFT-based communication systems.
Original languageEnglish
Pages (from-to)2459-2466
Number of pages8
JournalJournal of Lightwave Technology
Volume34
Issue number10
Early online date29 Feb 2016
DOIs
Publication statusPublished - 15 May 2016

Bibliographical note

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Funding: EPSRC (UNLOC EP/J017582/1 and PEACE EP/L000091/1)

Keywords

  • coherent
  • nonlinear
  • Fourier transform
  • inverse scattering
  • orthogonal frequency division multiplexing
  • nonlinear signal processing
  • nonlinear optics

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