Two-dimensional complex parity-time-symmetric photonic structures

M. Turduev, M. Botey, I. Giden, R. Herrero, H. Kurt, E. Ozbay, and K. Staliunas
Phys. Rev. A 91, 023825 – Published 20 February 2015
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Abstract

We propose a simple realistic two-dimensional complex parity-time-symmetric photonic structure that is described by a non-Hermitian potential but possesses real-valued eigenvalues. The concept is developed from basic physical considerations to provide asymmetric coupling between harmonic wave components of the electromagnetic field. The structure results in a nonreciprocal chirality and asymmetric transmission between in- and out-coupling channels into the structure. The analytical results are supported by a numerical study of the Bloch-like mode formations and calculations of a realistic planar semiconductor structure.

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  • Received 24 June 2014

DOI:https://doi.org/10.1103/PhysRevA.91.023825

©2015 American Physical Society

Authors & Affiliations

M. Turduev1, M. Botey2, I. Giden1, R. Herrero2, H. Kurt1, E. Ozbay3, and K. Staliunas2,4

  • 1Department of Electrical and Electronics Engineering, TOBB University of Economics and Technology, 06560 Ankara, Turkey
  • 2DONLL, Departament de Física i Enginyeria Nuclear, Universitat Politècnica de Catalunya (UPC), Edifici Gaia, Rambla Sant Nebridi 22, 08222 Terrassa, Spain
  • 3Department of Physics and Department of Electrical and Electronics Engineering, Nanotechnology Research Center, Bilkent University, 06800 Ankara, Turkey
  • 4Institució Catalana de Recercai Estudis Avançats (ICREA), Passeig Lluis Companys 23, 08010 Barcelona, Spain

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Issue

Vol. 91, Iss. 2 — February 2015

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