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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