Backseeding of higher order gain processes in picosecond spercontinuum generation

Peter Morten Moselund, Michael Henoch Frosz, C.L. Thomsen, Ole Bang

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    In photonic crystal fibers with closely spaced zero dispersion wavelengths it is possible to have two pairs of four-wave mixing (FWM)gain peaks. Here, we demonstrate both numerically and experimentally how the outer four-wave mixing gain peaks can be used to produce a strong amplification peak in a picosecond supercontinuum. The method involves feeding back part of the output light of a SC source and time matching it with the pump light. In this way it is possible to produce a gain of over 20 dB near the FWM gain wavelengths.
    Original languageEnglish
    JournalOptics Express
    Volume16
    Issue number16
    Pages (from-to)11954-11968
    ISSN1094-4087
    DOIs
    Publication statusPublished - 2008

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