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THz metamaterials made of phonon-polariton materials

TitleTHz metamaterials made of phonon-polariton materials
Publication TypeJournal Article
Year of Publication2014
AuthorsKafesaki, M, Basharin, AA, Economou, EN, Soukoulis, CM
JournalPhotonics and Nanostructures-Fundamentals and Applications
Date Published08
Type of ArticleArticle
ISBN Number1569-4410
Accession NumberWOS:000340984800013
Keywordsdiffraction limit, field, hyperbolic metamaterials, optical hyperlens, refraction, wave-guides

In this paper, we demonstrate numerically various phenomena and possibilities that can be realized in THz metamaterials made of phonon-polariton materials. Such phenomena include hyperbolic dispersion relation, subwavelength imaging using backward propagation and backward radiation, total transmission and subwavelength guiding exploiting Mie-resonant scattering in permittivity near zero host, and toroidal dipolar response. The systems that we use to demonstrate most of these phenomena are two-dimensional periodic systems of mu m-scale rods in a host, where both rods and host are made of polaritonic alkali-halide. materials. (C) 2014 Elsevier B.V. All rights reserved.

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