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Proceedings Paper

Dispersion, diffraction and surface waves in semi-infinite metal-dielectric superlattices
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Paper Abstract

We investigate spatial-dispersion properties of hybrid surface waves propagating in the boundary of a semi-infinite layered metal-dielectric nanostructure. Electromagnetic fields can be dramatically affected by a nonlocal optical response of the plasmonic lattice. We demonstrate that the use of the so called effective medium approximation (EMA) is not justified if the thickness of a metallic layer becomes of the order of the metal skin depth. We compare the results obtained by means of EMA with computer solutions of Maxwell's equation, including losses in the metal.

Paper Details

Date Published: 1 May 2012
PDF: 7 pages
Proc. SPIE 8423, Metamaterials VII, 84231W (1 May 2012); doi: 10.1117/12.921885
Show Author Affiliations
Slobodan Vukovic, Univ. of Belgrade (Serbia)
Carlos J. Zapata-Rodríguez, Univ. de València (Spain)
Juan J. Miret, Univ. de Alicante (Spain)
Zoran Jaksic, Univ. of Belgrade (Serbia)

Published in SPIE Proceedings Vol. 8423:
Metamaterials VII
Allan D. Boardman; Nigel P. Johnson; Richard W. Ziolkowski, Editor(s)

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