Single-Carrier 400G 64QAM and 128QAM DWDM Field Trial Transmission over Metro Legacy Links

  • Ginni Khanna
  • , Talha Rahman
  • , Erik De Man
  • , Emilio Riccardi
  • , Annachiara Pagano
  • , Anna Chiado Piat
  • , Stefano Calabro
  • , Bernhard Spinnler
  • , Danish Rafique
  • , Uwe Feiste
  • , Huug De Waardt
  • , Bernd Sommerkorn-Krombholz
  • , Norbert Hanik
  • , Tomislav Drenski
  • , Marc Bohn
  • , Antonio Napoli

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

We report on the results of a field trial carried out on a Telecom Italia metro link, targeting short data center interconnect applications. The test-bed presented realistic transmission conditions, such as an average 0.3-dB/km attenuation and usage of legacy erbium-doped fiber amplifier (EDFA) only. We transmitted a net bit rate of 400 Gb/s on a single carrier with 64 quadrature amplitude modulation (QAM) and 128QAM over 156 km. Error-free transmission over 80 km for single carrier dense wavelength-division multiplexing (DWDM) 30 × 400 G 64QAM and 30 × 400 G 128QAM (one half of the C-band) is reported. The net spectral efficiency, for both schemes, is 7.11 b/s/Hz.

Original languageEnglish
Article number7756309
Pages (from-to)189-192
Number of pages4
JournalIEEE Photonics Technology Letters
Volume29
Issue number2
DOIs
StatePublished - 15 Jan 2017

Keywords

  • Digital signal processing
  • data center interconnects
  • digital pre-distortion
  • high-order modulation formats

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