The features of waveguides from hyperbolic metamaterials and topological insulators
A.I. Maimistov*, E.I. Lyashko**
National Research Nuclear University MEPhI, Moscow, 115409 Russia
E-mail: *aimaimistov@gmail.com, **ostroukhova.ei@gmail.com
Received November 9, 2017
Abstract
The refraction and reflection phenomena occurring at the boundaries of dielectric waveguides manufactured from the unusual materials have been discussed. Such materials are topological insulators and hyperbolic metamaterials with the electromagnetic properties being different from those for the ordinary dialectics. For example, the polarization of the refracted and reflected waves can be changed; the total internal reflection occurs at small angles of the incident wave that is less than a certain critical angle. As a result, the waveguides acquire new characteristics that distinguish them from the standard dielectric waveguides.
Keywords: interface, total internal reflection, magnetoelectric effect, waveguide, hyperbolic metamaterial
Acknowledgments. The study was supported by the Russian Foundation for Basic Research (project no. 15-02-02764a).
Figure Captions
Fig. 1. The path of rays bending at the boundary between the isotropic and hyperbolic media. The incidence angles in the sector highlighted in gray indicate the rays with total internal reflection.
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For citation: Maimistov A.I., Lyashko E.I. The features of waveguides from hyperbolic metamaterials and topological insulators. Uchenye Zapiski Kazanskogo Universiteta. Seriya Fiziko-Matematicheskie Nauki, 2018, vol. 160, no. 1, pp. 17–24. (In Russian)
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