Self-phase-modulation of surface plasmon polaritons

Israel De Leon, J. E. Sipe, and Robert W. Boyd
Phys. Rev. A 89, 013855 – Published 31 January 2014

Abstract

We present an approach for calculating the nonlinear propagation of surface plasmon polaritons in one-dimensional planar waveguides consisting of a metal slab or a semi-infinite metal bounded by linear dielectrics, starting with an assumed third-order nonlinearity that characterizes the nonlinear response of the metal. With this approach we model the self-phase-modulation of surface plasmon polaritons. Expressions relating the complex nonlinear parameter of these surface waves with the third-order nonlinear susceptibility of the metal are provided. We present and discuss results pertaining to the self-phase-modulation of the symmetric and antisymmetric surface plasmon polaritons supported by a thin gold slab in vacuum and of the surface plasmon polariton supported by the single gold-vacuum interface.

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  • Received 25 November 2013

DOI:https://doi.org/10.1103/PhysRevA.89.013855

©2014 American Physical Society

Authors & Affiliations

Israel De Leon1,*, J. E. Sipe2, and Robert W. Boyd1,3

  • 1Department of Physics, University of Ottawa, 150 Louis Pasteur St., Ottawa, Canada K1N6N5
  • 2Department of Physics, University of Toronto, 60 St. George St., Toronto, Canada M5S1A7
  • 3The Institute of Optics, University of Rochester, Rochester, New York 14627, USA

  • *ideleon@uottawa.ca

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Vol. 89, Iss. 1 — January 2014

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