Monolithic all-PM femtosecond Yb-fiber laser stabilized with a narrow-band fiber Bragg grating and pulse-compressed in a hollow-core photonic crystal fiber

Dmitry Turchinovich, Xiaomin Liu, Jesper Lægsgaard

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    We report on an environmentally stable self-starting monolithic (i.e. without any free-space coupling) all-polarization-maintaining (PM) femtosecond Yb-fiber laser, stabilized against Q-switching by a narrow-band fiber Bragg grating and modelocked using a semiconductor saturable absorber mirror. The laser output is compressed in a spliced-on hollow-core PM photonic crystal fiber, thus providing direct end-of-the-fiber delivery of pulses of around 370 fs duration and 4 nJ energy with high mode quality. Tuning the pump power of the end amplifier of the laser allows for the control of output pulse bandwidth and duration. Our experimental results are in good agreement with the theoretical predictions.
    Original languageEnglish
    JournalOptics Express
    Volume16
    Issue number18
    Pages (from-to)14004-14014
    ISSN1094-4087
    DOIs
    Publication statusPublished - 2008

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