Numerical observation of SPM rogue waves in normal dispersion cascaded supercontinuum generation

Rasmus Eilkœr Hansen, Rasmus Dybbro Engelsholm, Christian Rosenberg Petersen, Ole Bang*

*Corresponding author for this work

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Numerical modeling of cascaded mid-infrared (IR) supercontinuum generation (SCG) is used to study how an ensemble of spectrally and temporally distributed solitons from the long-wavelength part of an SC evolves when coupled into the normal dispersion regime of a highly nonlinear chalcogenide fiber. This has revealed a novel phenomenon-the generation of a high-energy rogue wave in the normal dispersion regime in the form of a strong self-phase-modulation (SPM) chirped pulse. This SPM rogue wave is generated by swallowing the energy of many sufficiently closely spaced pulses through inter-pulse Raman amplification and is a key effect behind efficient cascaded mid-IR SCG.

    Original languageEnglish
    JournalJournal of the Optical Society of America B: Optical Physics
    Volume38
    Issue number9
    Pages (from-to)2754-2764
    ISSN0740-3224
    DOIs
    Publication statusPublished - Sept 2021

    Bibliographical note

    Funding Information:
    Innovationsfonden (8090-00060A). We thank Kyei Kwarkye for measuring the ZBLAN loss curve, and Mikkel Jensen for fruitful discussions.

    Publisher Copyright:
    © 2021 Optical Society of America

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