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Hyperbolic surface waves on anisotropic materials without hyperbolic dispersion

Repän, T.; Takayama, O.; Lavrinenko, A.

Abstract:
We theoretically analyze directional surface electromagnetic waves supported at an interface between an isotropic medium and anisotropic metal with effective uniaxial negative permittivity. We identify two types of surface wave solutions, resulting in unique hyperbolic dispersion in the wavevector space. Such anisotropic metal can be realized by alternating dielectric and metallic layers with deep subwavelength thicknesses or metallic nanowires in dielectric host. Such systems serve as a platform for many applications in nanophotonics.

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Verlagsausgabe §
DOI: 10.5445/IR/1000126501
Veröffentlicht am 23.11.2020
Cover der Publikation
Zugehörige Institution(en) am KIT Institut für Nanotechnologie (INT)
Publikationstyp Zeitschriftenaufsatz
Publikationsjahr 2020
Sprache Englisch
Identifikator ISSN: 1094-4087
KITopen-ID: 1000126501
HGF-Programm 43.23.01 (POF III, LK 01) Advanced Optical Lithography+Microscopy
Erschienen in Optics express
Band 28
Heft 22
Seiten 33176-33183
Nachgewiesen in Scopus
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