P-polarized nonlinear surface polaritons in materials with intensity-dependent dielectric functions

Kok-Ming Leung

    Research output: Contribution to journalArticle

    Abstract

    We investigate the properties of p-polarized nonlinear surface polaritons (NLSP) propagating along the interfaces of optically nonlinear materials. We show that Maxwells equations for the NLSP can be solved exactly in quadratures for optically isotropic media with dielectric functions which can be an arbitrary function of the field intensity. The required boundary conditions can be imposed readily, and a form of the dispersion relation for the NLSP is obtained without the need to solve for the field profile first. The general results are then applied to a specific model in which the material has a nonlinear dielectric function proportional to the electric field intensity. Both the self-focusing and self-defocusing cases are studied, as well as different values of the linear dielectric functions inside and outside the material. The physically allowed regions in parameter space and the nonlinear surface-plasmon resonance conditions are examined. The field profile in each region is also investigated.

    Original languageEnglish (US)
    Pages (from-to)5093-5101
    Number of pages9
    JournalPhysical Review B
    Volume32
    Issue number8
    DOIs
    StatePublished - 1985

    Fingerprint

    polaritons
    isotropic media
    defocusing
    self focusing
    Surface plasmon resonance
    Maxwell equations
    profiles
    surface plasmon resonance
    quadratures
    Maxwell equation
    Electric fields
    Boundary conditions
    boundary conditions
    electric fields

    ASJC Scopus subject areas

    • Condensed Matter Physics

    Cite this

    P-polarized nonlinear surface polaritons in materials with intensity-dependent dielectric functions. / Leung, Kok-Ming.

    In: Physical Review B, Vol. 32, No. 8, 1985, p. 5093-5101.

    Research output: Contribution to journalArticle

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