A complete description of the dispersion relation for thin metal film plasmon-polaritons

A versatile numerical method is used to solve the plasmon-polariton dispersion relation for a planar thin-metal-film geometry. A complete description of the variation of effective-mode index and propagation length with metal thickness and cover index is presented for all four modes. The spatial dist...

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Veröffentlicht in:	Journal of lightwave technology 1990-12, Vol.8 (12), p.1843-1849
Hauptverfasser:	Burton, F.A., Cassidy, S.A.
Format:	Artikel
Sprache:	eng
Schlagworte:	Collective effects Condensed matter: electronic structure, electrical, magnetic, and optical properties Dielectric constant Dielectric losses Dielectric substrates Dielectric thin films Dispersion Electron states Exact sciences and technology Exchange, correlation, dielectric and magnetic functions, plasmons Geometry Optical attenuators Optical films Optical polarization Optical waveguides Physics
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Beschreibung
Zusammenfassung:	A versatile numerical method is used to solve the plasmon-polariton dispersion relation for a planar thin-metal-film geometry. A complete description of the variation of effective-mode index and propagation length with metal thickness and cover index is presented for all four modes. The spatial distribution of these modes is calculated explicitly. The effects of a nonideal metal film and of dielectric loss in the cover material is considered.< >
ISSN:	0733-8724 1558-2213
DOI:	10.1109/50.62881