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Open AccessFeature PaperEditor’s ChoiceArticle

Wave Front Tuning of Coupled Hyperbolic Surface Waves on Anisotropic Interfaces

1
Institute of Nanotechnology, Karlsruhe Institute of Technology, 76021 Karlsruhe, Germany
2
DTU Fotonik—Department of Photonics Engineering, Technical University of Denmark, 2800 Kgs. Lyngby, Denmark
*
Author to whom correspondence should be addressed.
Photonics 2020, 7(2), 34; https://doi.org/10.3390/photonics7020034
Received: 16 April 2020 / Revised: 12 May 2020 / Accepted: 14 May 2020 / Published: 20 May 2020
(This article belongs to the Special Issue Topological Photonics)
A photonic surface wave, a propagating optical mode localized at the interface of two media, can play a significant role in controlling the flow of light at nanoscale. Among various types of such waves, surface waves with hyperbolic dispersion or simply hyperbolic surface waves supported on anisotropic metal interfaces can be exploited to effectively control the propagation of lightwaves. We used semi-analytical and numerical methods to study the nature of surface waves on several configurations of three-layers metal–dielectric–metal systems including isotropic and anisotropic cases where the metal cladding layers were assumed to have infinite thickness. We used semi-analytical and numerical approaches to study the phenomena. We showed that the propagation of surface wave can be tuned from diverging to converging in the plane of the interface by the combination of metals with different anisotropic properties. View Full-Text
Keywords: surface wave; metamaterial; hyperbolic metamaterial; anisotropic material surface wave; metamaterial; hyperbolic metamaterial; anisotropic material
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MDPI and ACS Style

Repän, T.; Takayama, O.; Lavrinenko, A.V. Wave Front Tuning of Coupled Hyperbolic Surface Waves on Anisotropic Interfaces. Photonics 2020, 7, 34. https://doi.org/10.3390/photonics7020034

AMA Style

Repän T, Takayama O, Lavrinenko AV. Wave Front Tuning of Coupled Hyperbolic Surface Waves on Anisotropic Interfaces. Photonics. 2020; 7(2):34. https://doi.org/10.3390/photonics7020034

Chicago/Turabian Style

Repän, Taavi; Takayama, Osamu; Lavrinenko, Andrei V. 2020. "Wave Front Tuning of Coupled Hyperbolic Surface Waves on Anisotropic Interfaces" Photonics 7, no. 2: 34. https://doi.org/10.3390/photonics7020034

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