Theory of Extraordinary Optical Transmission through Subwavelength Hole Arrays

L. Martín-Moreno, F. J. García-Vidal, H. J. Lezec, K. M. Pellerin, T. Thio, J. B. Pendry, and T. W. Ebbesen
Phys. Rev. Lett. 86, 1114 – Published 5 February 2001
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Abstract

We present a fully three-dimensional theoretical study of the extraordinary transmission of light through subwavelength hole arrays in optically thick metal films. Good agreement is obtained with experimental data. An analytical minimal model is also developed, which conclusively shows that the enhancement of transmission is due to tunneling through surface plasmons formed on each metal-dielectric interface. Different regimes of tunneling (resonant through a “surface plasmon molecule,” or sequential through two isolated surface plasmons) are found depending on the geometrical parameters defining the system.

  • Received 14 August 2000

DOI:https://doi.org/10.1103/PhysRevLett.86.1114

©2001 American Physical Society

Authors & Affiliations

L. Martín-Moreno1, F. J. García-Vidal2, H. J. Lezec3, K. M. Pellerin4, T. Thio4, J. B. Pendry5, and T. W. Ebbesen3

  • 1Departamento de Física de la Materia Condensada, ICMA-CSIC, Universidad de Zaragoza, E-50015 Zaragoza, Spain
  • 2Departamento de Física Teórica de la Materia Condensada, Universidad Autónoma de Madrid, E-28049 Madrid, Spain
  • 3ISIS, Université Louis Pasteur, 67000 Strasbourg, France
  • 4NEC Research Institute, Princeton, New Jersey 08540
  • 5The Blackett Laboratory, Imperial College, London SW7 2BZ, United Kingdom

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Vol. 86, Iss. 6 — 5 February 2001

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