One-dimensional Van Hove polaritons

K. B. Arnardottir, O. Kyriienko, M. E. Portnoi, and I. A. Shelykh
Phys. Rev. B 87, 125408 – Published 8 March 2013

Abstract

We study the light-matter coupling of microcavity photons and an interband transition in a one-dimensional (1D) nanowire. Due to the Van Hove singularity in the density of states, resulting in a resonant character of the absorption line, the achievement of strong coupling becomes possible even without the formation of a bound state of an electron and a hole. The calculated absorption in the system and corresponding energy spectrum reveal anticrossing behavior characteristic of the formation of polariton modes. In contrast to the case of conventional exciton polaritons, the formation of 1D Van Hove polaritons will not be restricted to low temperatures and can be realized in any system with a singularity in the density of states.

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  • Received 5 November 2012

DOI:https://doi.org/10.1103/PhysRevB.87.125408

©2013 American Physical Society

Authors & Affiliations

K. B. Arnardottir1,2, O. Kyriienko1,3, M. E. Portnoi4,5, and I. A. Shelykh1,3

  • 1Science Institute, University of Iceland, Dunhagi-3, IS-107, Reykjavik, Iceland
  • 2Fysikum, Stockholms Universitet, S-106 91 Stockholm, Sweden
  • 3Division of Physics and Applied Physics, Nanyang Technological University 637371, Singapore
  • 4School of Physics, University of Exeter, Stocker Road, Exeter EX4 4QL, United Kingdom
  • 5International Institute of Physics, Avenida Odilon Gomes de Lima, 1722, Capim Macio, Código de Endereçamento Postal 59078-400, Natal, Rio Grande do Norte, Brazil

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Vol. 87, Iss. 12 — 15 March 2013

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