DPSK signal regeneration with a dual-pump nondegenerate phase-sensitive amplifier

Paola Frascella, Stylianos Sygletos, Fatima C. Garcia Gunning, Ruwan Weerasuriya, Lars Grüner-Nielsen, Richard Phelan, James O'Gorman, Andrew D. Ellis

    Research output: Contribution to journalArticlepeer-review

    Abstract

    We demonstrate, for the first time to our knowledge, regeneration of a 42.66-Gb/s differential phase-shift keyed signal using a dual-pump nondegenerate four-wave-mixing-based fiber-optic parametric amplifier. The regenerative performance of the subsystem is characterized in terms of bit-error rate against narrowband and wideband introduced noise. While a strong receiver sensitivity improvement, up to 20 dB, is noticed against narrowband noise, against quasi-random (wideband) noise we observe a regeneration of 2.7 dB.
    Original languageEnglish
    Article number5711639
    Pages (from-to)516-518
    Number of pages3
    JournalIEEE Photonics Technology Letters
    Volume23
    Issue number8
    DOIs
    Publication statusPublished - 15 Apr 2011

    Bibliographical note

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    Keywords

    • differential phase-shift keying
    • optical parametric amplification
    • phase-sensitive amplification

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