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Topological metamaterials based on polariton rings

Topological metamaterials based on polariton rings

Title: Topological metamaterials based on polariton rings
Author: Kozin, Valerii
Shelykh, Ivan   orcid.org/0000-0001-5393-821X
Nalitov, Anton   orcid.org/0000-0001-7246-5462
Iorsh, Ivan   orcid.org/0000-0003-4992-6122
Date: 2018-09-10
Language: English
Scope: 125115
University/Institute: Háskóli Íslands
University of Iceland
School: Verkfræði- og náttúruvísindasvið (HÍ)
School of Engineering and Natural Sciences (UI)
Department: Raunvísindastofnun (HÍ)
Science Institute (UI)
Series: Physical Review B;98(12)
ISSN: 2469-9950
DOI: 10.1103/PhysRevB.98.125115
Subject: Exciton polariton; Hall effect; Integer quantum Hall effect; Landau levels; Mesoscopics; Polaritons; Quantum Hall effect; Topological effects in photonic systems; Topological materials; Topological phases of matter; Condensed Matter & Materials Physics; Rafeindir; Skautun (rafsegulfræði); Grannfræði; Þéttefnisfræði
URI: https://hdl.handle.net/20.500.11815/1046

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Kozin, V. K., Shelykh, I. A., Nalitov, A. V., & Iorsh, I. V. (2018). Topological metamaterials based on polariton rings. Physical Review B, 98(12), 125115. doi:10.1103/PhysRevB.98.125115


The Chern insulator phase is shown to emerge in two-dimensional arrays of polariton rings where time-reversal symmetry is broken due to the application of an out-of-plane magnetic field. The interplay of Zeeman splitting with the photonic analog of spin-orbit coupling [the transverse-electric–transverse-magnetic (TE-TM) splitting] inherently present in this system leads to the appearance of synthetic U(1) gauge field and the opening of topologically nontrivial spectral gaps. This results in the onset of topologically protected chiral edge states similar to those forming in quantum Hall effect. In one-dimensional zigzag arrays of polariton rings edge states similar to those appearing in the Su-SchriefferHeeger (SSH) model are formed.


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