Rugate-filter-guided propagation of multiple Fano waves

Muhammad Faryad, Husnul Maab, Akhlesh Lakhtakia

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

The canonical boundary-value problem of surface-wave propagation guided by the planar interface of a rugate filter and a homogeneous medium with negative permittivity was solved numerically. Multiple Fano waves with differing phase speed and linear polarization state are guided by the interface, even when the magnitude of the permittivity of the negative-permittivity partnering medium is less than the minimum value of the permittivity in the rugate filter. The concepts of Fano waves and Tamm waves can be unified.

Original languageEnglish (US)
Article number075101
JournalJournal of Optics
Volume13
Issue number7
DOIs
StatePublished - Jul 1 2011

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Atomic and Molecular Physics, and Optics

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