Homogenization of metasurfaces formed by random resonant particles in periodical lattices

Andrei Andryieuski, Andrei V. Lavrinenko, Mihail Petrov, and Sergei A. Tretyakov
Phys. Rev. B 93, 205127 – Published 16 May 2016

Abstract

In this paper we suggest a simple analytical method for description of electromagnetic properties of a geometrically regular two-dimensional subwavelength arrays (metasurfaces) formed by particles with randomly fluctuating polarizabilities. We propose an analytical homogenization method applicable for normal wave incidence on particle arrays with dominating electric dipole responses and validate it with numerical point-dipole modeling using the supercell approach. We demonstrate that fluctuations of particle polarizabilities lead to increased diffuse scattering despite the subwavelength lattice constant of the array.

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  • Received 1 March 2016
  • Revised 28 April 2016

DOI:https://doi.org/10.1103/PhysRevB.93.205127

©2016 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Andrei Andryieuski* and Andrei V. Lavrinenko

  • DTU Fotonik, Technical University of Denmark, Ørsteds Plads 343, DK-2800 Kongens Lyngby, Denmark

Mihail Petrov

  • IRC Nanophotonics and Metamaterials, ITMO University, Birjevaja line V.O., 14, Saint Petersburg 199034, Russia

Sergei A. Tretyakov

  • Department of Radio Science and Engineering, Aalto University, P.O. Box 13000, FI-00076 Aalto, Finland

  • *andra@fotonik.dtu.dk

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Issue

Vol. 93, Iss. 20 — 15 May 2016

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