Fabrication and realistic modeling of three-dimensional metal-dielectric composites

Mark D. Thoreson; Jieran Fang; Alexander V. Kildishev; Ludmila J. Prokopeva; Piotr Nyga; Uday K. Chettiar; Vladimir M. Shalaev; Vladimir P. Drachev

doi:10.1117/1.3590208

1 January 2011 Fabrication and realistic modeling of three-dimensional metal-dielectric composites

Mark D. Thoreson, Jieran Fang, Alexander V. Kildishev, Ludmila J. Prokopeva, Piotr Nyga, Uday K. Chettiar, Vladimir M. Shalaev, Vladimir P. Drachev

Author Affiliations +

Journal of Nanophotonics, Vol. 5, Issue 1, 051513 (January 2011). https://doi.org/10.1117/1.3590208

Abstract

Historically, the methods used to describe the electromagnetic response of random, three-dimensional (3D), metal-dielectric composites (MDCs) have been limited to approximations such as effective-medium theories that employ easily-obtained, macroscopic parameters. Full-wave numerical simulations such as finite-difference time domain (FDTD) calculations are difficult for random MDCs due to the fact that the nanoscale geometry of a random composite is generally difficult to ascertain after fabrication. We have developed a fabrication method for creating semicontinuous metal films with arbitrary thicknesses and a modeling technique for such films using realistic geometries. We extended our two-dimensional simulation method to obtain realistic geometries of 3D MDC samples, and we obtained the detailed near- and far-field electromagnetic responses of such composites using FDTD calculations. Our simulation results agree quantitatively well with the experimentally measured far-field spectra of the real samples.

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Mark D. Thoreson, Jieran Fang, Alexander V. Kildishev, Ludmila J. Prokopeva, Piotr Nyga, Uday K. Chettiar, Vladimir M. Shalaev, and Vladimir P. Drachev "Fabrication and realistic modeling of three-dimensional metal-dielectric composites," Journal of Nanophotonics 5(1), 051513 (1 January 2011). https://doi.org/10.1117/1.3590208

Published: 1 January 2011

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