Efficient interface conditions for the finite difference beam propagation method

Hugo Hoekstra, Gijsbertus J.M. Krijnen, Paul Lambeck

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    It is shown that by adapting the refractive indexes in the vicinity of interfaces, the 2-D beam propagation method based on the finite-difference (FDBPM) scheme can be made much more effective. This holds especially for TM modes propagating in structures with high-index contrasts, such as surface polaritons. A short discussion is given on the applicability of the FDBPM.
    Original languageUndefined
    Pages (from-to)1352-1355
    Number of pages4
    JournalJournal of lightwave technology
    Issue number3
    Publication statusPublished - Oct 1992


    • EWI-14167
    • METIS-128993
    • IR-24193

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