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Ceramics 2018, 1(1), 139-144; https://doi.org/10.3390/ceramics1010012

Tantalum Arsenide-Based One-Dimensional Photonic Structures

1
Department of Nanochemistry, Istituto Italiano di Tecnologia (IIT), via Morego, 30, 16163 Genova, Italy
2
Dipartimento di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci 32, 20133 Milano, Italy
3
Center for Nano Science and Technology@PoliMi, Istituto Italiano di Tecnologia, via Giovanni Pascoli, 70/3, 20133 Milan, Italy
*
Author to whom correspondence should be addressed.
Received: 11 July 2018 / Revised: 4 August 2018 / Accepted: 10 August 2018 / Published: 13 August 2018
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Abstract

Weyl semimetals can be described as the three-dimensional analogue of graphene, showing linear dispersion around nodes (Weyl points). Tantalum arsenide is among the most studied Weyl semimetals. It has been demonstrated that TaAs has a very high value of the real part of the complex refractive index in the infrared region. In this work we show one-dimensional photonic crystals alternating TaAs with SiO2 or TiO2 and a microcavity where a layer of TaAs is embedded between two SiO2-TiO2 multilayers. View Full-Text
Keywords: photonic crystals; Weyl semimetals; tantalum arsenide; high refractive index materials photonic crystals; Weyl semimetals; tantalum arsenide; high refractive index materials
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Kriegel, I.; Guizzardi, M.; Scotognella, F. Tantalum Arsenide-Based One-Dimensional Photonic Structures. Ceramics 2018, 1, 139-144.

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