On surface plasmon-polariton waves guided by the interface of a metal and a rugate filter with a sinusoidal refractive-index profile

Muhammad Faryad, Akhlesh Lakhtakia

Research output: Contribution to journalArticle

43 Scopus citations

Abstract

The canonical boundary-value problem of wave propagation guided by the planar interface of an isotropic homogeneous metal and a dielectric rugate filter with a refractive index that varies periodically normal to the interface may admit more than one solution, at a specific frequency. The different solutions indicate surface plasmon-polariton (SPP) waves that differ in phase speed, attenuation rate, linear polarization state, and field distribution. The multiplicity of SPP waves can only be attributed to the periodic nonhomogeneity of the rugate filter.

Original languageEnglish (US)
Pages (from-to)2218-2223
Number of pages6
JournalJournal of the Optical Society of America B: Optical Physics
Volume27
Issue number11
DOIs
StatePublished - Jan 1 2010

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Atomic and Molecular Physics, and Optics

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