Angle-insensitive plasmonic nanorod metamaterial-based band-pass optical filters

Brian M. Wells; Francesco Lotti; Mazhar E. Nasir; Anatoly V. Zayats; Viktor A. Podolskiy

doi:10.1364/OE.418268

Angle-insensitive plasmonic nanorod metamaterial-based band-pass optical filters

Brian M. Wells, Francesco Lotti, Mazhar E. Nasir, Anatoly V. Zayats, Viktor A. Podolskiy^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

5 Citations (Scopus)

Abstract

We demonstrate, experimentally and theoretically, a new class of angle-insensitive band-pass optical filters that utilize anisotropy of plasmonic nanorod metamaterials, in both ε ≃ −1 and epsilon-near-infinity regimes, to minimize dependence of optical path on the incident angle. The operating wavelength and bandwidth of the filter can be engineered by controlling the geometry of the metamaterial. Experimental results are in agreement with full wave numerical and analytical solutions of the Maxwell’s equations. Theoretical simulations show that performance of the systems can be further improved by replacing metallic mirrors with dielectric stacks.

Original language	English
Pages (from-to)	11562-11569
Number of pages	8
Journal	OPTICS EXPRESS
Volume	29
Issue number	8
DOIs	https://doi.org/10.1364/OE.418268
Publication status	Published - 12 Apr 2021

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title = "Angle-insensitive plasmonic nanorod metamaterial-based band-pass optical filters",

abstract = "We demonstrate, experimentally and theoretically, a new class of angle-insensitive band-pass optical filters that utilize anisotropy of plasmonic nanorod metamaterials, in both ε ≃ −1 and epsilon-near-infinity regimes, to minimize dependence of optical path on the incident angle. The operating wavelength and bandwidth of the filter can be engineered by controlling the geometry of the metamaterial. Experimental results are in agreement with full wave numerical and analytical solutions of the Maxwell{\textquoteright}s equations. Theoretical simulations show that performance of the systems can be further improved by replacing metallic mirrors with dielectric stacks.",

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AU - Wells, Brian M.

AU - Lotti, Francesco

AU - Nasir, Mazhar E.

AU - Zayats, Anatoly V.

AU - Podolskiy, Viktor A.

N1 - Funding Information: Army Research Office (W911NF-12-1-0533, W911NF-16-1-0261); Engineering and Physical Sciences Research Council; Defence Science and Technology Laboratory. Publisher Copyright: © 2021 Optical Society of America under the terms of the OSA Open Access Publishing Agreement Copyright: Copyright 2021 Elsevier B.V., All rights reserved.

PY - 2021/4/12

Y1 - 2021/4/12

N2 - We demonstrate, experimentally and theoretically, a new class of angle-insensitive band-pass optical filters that utilize anisotropy of plasmonic nanorod metamaterials, in both ε ≃ −1 and epsilon-near-infinity regimes, to minimize dependence of optical path on the incident angle. The operating wavelength and bandwidth of the filter can be engineered by controlling the geometry of the metamaterial. Experimental results are in agreement with full wave numerical and analytical solutions of the Maxwell’s equations. Theoretical simulations show that performance of the systems can be further improved by replacing metallic mirrors with dielectric stacks.

AB - We demonstrate, experimentally and theoretically, a new class of angle-insensitive band-pass optical filters that utilize anisotropy of plasmonic nanorod metamaterials, in both ε ≃ −1 and epsilon-near-infinity regimes, to minimize dependence of optical path on the incident angle. The operating wavelength and bandwidth of the filter can be engineered by controlling the geometry of the metamaterial. Experimental results are in agreement with full wave numerical and analytical solutions of the Maxwell’s equations. Theoretical simulations show that performance of the systems can be further improved by replacing metallic mirrors with dielectric stacks.

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Angle-insensitive plasmonic nanorod metamaterial-based band-pass optical filters

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