Nyquist-WDM PDM-QPSK transmission over SMF-28 fibre using URFL amplification

P. Rosa, M.S. Erkilinç, R. Maher, M. Paskov, S. Kilmurray, M. Tan, P. Harper, I.D. Phillips, A.D. Ellis, J.D. Ania-Castañón, B.C. Thomsen, S.J. Savory, R.I. Killey, P. Bayvel

Research output: Chapter in Book/Published conference outputConference publication


Nyquist-WDM PDM-QPSK transmission over standard SMF-28 fibre with novel distributed URFL amplification is reported for the first time. Transmission over 6157 km in a recirculating loop, and 320 km in an unrepeatered link without a ROPA were demonstrated.

Original languageEnglish
Title of host publicationICTON 2014 : 16th international conference on transparent optical networks
EditorsMarek Jaworski, Marian Marciniak
Place of PublicationWarsaw (PL)
PublisherNational Institute of Telecommunications
Number of pages3
ISBN (Electronic)978-1-4799-5601-2
ISBN (Print)978-1-4799-5600-5
Publication statusPublished - 31 Dec 2014
Event16th International Conference on Transparent Optical Networks - Graz, Austria
Duration: 6 Jul 201410 Jul 2014


Conference16th International Conference on Transparent Optical Networks
Abbreviated titleICTON 2014

Bibliographical note

Funding: UK EPSRC Programme Grant UNLOC (Unlocking the capacity of optical communications) EP/J017582/1, and EPSRC grant COSINE EP/I012702/1; EPSRC CDT in Photonic Systems, Oclaro and Huawei for studentship support.


  • Nyquist PDM-QPSK
  • Ultra-long Raman fibre laser (URFL)
  • Unrepeatered transmission


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