Power scaling of dispersive-wave generation in higher-order optical fiber modes

Jesper Lægsgaard*

*Corresponding author for this work

    Research output: Contribution to journalJournal articleResearchpeer-review


    Dispersive-wave generation in higher-order HE1l modes of step-index optical fibers is studied numerically. The limits to power scaling from nonlinear intermodal couplings are investigated. It is shown that single-mode operation is possible up to power levels of a few MW, whereas both pump and dispersive-wave power distributes over several modes for higher powers, making the frequency conversion process less specific and efficient. The use of a circularly polarized pump is found to be beneficial for power scaling, both due to a reduced effective nonlinearity, and a reduction in intermodal couplings to LP2l -like modes.

    Original languageEnglish
    JournalJournal of the Optical Society of America B: Optical Physics
    Issue number9
    Pages (from-to)2637-2645
    Publication statusPublished - 2020


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