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Performance optimization of ultra-long Raman laser cavities for quasi-lossless transmission links

  • V. Karalekas
  • , J. D. Ania-Castañón
  • , J. Pérez-González
  • , Xianfeng Chen
  • , L. Zhang
  • , P. Harper

    Research output: Contribution to journalArticlepeer-review

    Abstract

    Performance optimization of ultra-long Raman laser links is studied theoretically and experimentally. We demonstrate that it is possible to reduce the signal power excursion by adjusting FBG reflectivity without compromising pump efficiency. Furthermore, we experimentally demonstrate an OSNR improvement of 4.3 dB in our system after 4000 km transmission by switching from conventional erbium-doped fibre amplifiers to quasi-lossless transmission.
    Original languageEnglish
    Pages (from-to)214-218
    JournalOptics Communications
    Volume277
    Issue number1
    DOIs
    Publication statusPublished - Sept 2007

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