Mode transformation in waveguiding plasmonic structures

Arthur R. Davoyan*, Wei Liu, Andrey E. Miroshnichenko, Ilya V. Shadrivov, Yuri S. Kivshar, Sergey I. Bozhevolnyi

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    16 Citations (Scopus)

    Abstract

    We study transformation of surface modes in plasmonic waveguides when the loss strength is varying from zero to realistic values. For the examples of plasmonic modes guided by cylindrical nanorod and metal-dielectric-metal slot waveguides, we show that transformation of dispersion curves follows one of two fundamental scenarios: degeneracy removal of evanescent modes and mode reconnection. We demonstrate that different parts of the same mode dispersion in lossy structures can have different origin in the lossless case.

    Original languageEnglish
    Pages (from-to)207-212
    Number of pages6
    JournalPhotonics and Nanostructures - Fundamentals and Applications
    Volume9
    Issue number3
    DOIs
    Publication statusPublished - Jul 2011

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