Cerenkov second-harmonic generation in the strong conversion limit: New effects

Gijsbertus J.M. Krijnen, Hugo Hoekstra, George I. Stegeman, William Torruellas

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    Using beam propagation method calculations, we show that new effects occur for second-harmonic generation in the Čerenkov regime when it is optimized for efficient coupling to leaky modes. The fundamental throughput becomes independent of the input power over a few decades; i.e., optical power limiting is found. At even higher input powers, the fundamental throughput abruptly switches back to approximately the input power as a consequence of generating coupled second-harmonic-fundamental solitary waves in the waveguide because of the cascading effect.
    Original languageUndefined
    Pages (from-to)851-853
    Number of pages3
    JournalOptics letters
    Issue number12
    Publication statusPublished - 15 Jun 1996


    • METIS-111535
    • EWI-13583
    • IR-65028

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