Large-mode-area hybrid photonic crystal fiber amplifier at 1178 nm

Sidsel Rübner Petersen, Mingchen Chen, Akira Shirakawa, Christina Bjarnal Thulin Olausson, Thomas Tanggaard Alkeskjold, Jesper Lægsgaard

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Amplification of 1178 nm light is demonstrated in a large-mode-area single-mode ytterbium-doped hybrid photonic crystal fiber, relying on distributed spectral filtering of spontaneous emission at shorter wavelengths. An output power of 53 W is achieved with 29 dB suppression of parasitic lasing. Further power scaling is limited by parasitic lasing.
    Original languageEnglish
    JournalOptics Letters
    Volume40
    Issue number8
    Pages (from-to)1741-1744
    ISSN0146-9592
    DOIs
    Publication statusPublished - 2015

    Keywords

    • OPTICS
    • BANDGAP FIBER
    • LASERS

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