Symmetry-controlled edge states in the type-II phase of Dirac photonic lattices

Georgios G. Pyrialakos; Nora Schmitt; Nicholas S. Nye; Matthias Heinrich; Nikolaos V. Kantartzis; Alexander Szameit; Demetrios N. Christodoulides

doi:10.1038/s41467-020-15952-z

Nature Communications (Apr 2020)

Symmetry-controlled edge states in the type-II phase of Dirac photonic lattices

Georgios G. Pyrialakos,
Nora Schmitt,
Nicholas S. Nye,
Matthias Heinrich,
Nikolaos V. Kantartzis,
Alexander Szameit,
Demetrios N. Christodoulides

Affiliations

Georgios G. Pyrialakos: Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki
Nora Schmitt: Institute of Physics, University of Rostock
Nicholas S. Nye: Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki
Matthias Heinrich: Institute of Physics, University of Rostock
Nikolaos V. Kantartzis: Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki
Alexander Szameit: Institute of Physics, University of Rostock
Demetrios N. Christodoulides: College of Optics & Photonics-CREOL, University of Central Florida

DOI: https://doi.org/10.1038/s41467-020-15952-z
Journal volume & issue: Vol. 11, no. 1
pp. 1 – 7

Abstract

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The electrons in 2D materials like graphene are described by the relativistic Dirac equation. Here the authors present a lattice of evanescently coupled waveguides that emulates a wide range of Dirac excitations and study the type-II edge states that emerge in this photonic system.

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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