Leaky domino-modes in regular arrays of substantially thick metal nanostrips

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Leaky domino-modes in regular arrays of substantially thick metal nanostrips. / Voroshilov, Pavel M.; Simovski, Constantin.

In: PHOTONICS AND NANOSTRUCTURES: FUNDAMENTALS AND APPLICATIONS, Vol. 20, 01.07.2016, p. 18-30.

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@article{57e33918f30f49ffa7126106c5fcf845,
title = "Leaky domino-modes in regular arrays of substantially thick metal nanostrips",
abstract = "In previous works, an efficient light trapping performed by arrays of metal nanoantennas whose building block was a slightly tapered (trapezoidal) substantially thick nanostrip was revealed. This light trapping implied a broad spectrum of solar light concentrated in a subwavelength depth of the semiconductor substrate. This is a very advantageous feature allowing our structure to enhance thin-film solar cells. However, the physics of the broadband resonant absorption in the substrate was not investigated. In the present paper, we show that our arrays support so-called leaky domino-modes, responsible for such the light trapping. These modes are multipole oscillations of the array of substantially thick nanostrips. In this work we have thoroughly studied these leaky modes relating them to resonances of high-order multipole moments and to broadband light-trapping effect.",
keywords = "Leaky modes, Light-trapping structures, Multipole resonances, Nanoantennas",
author = "Voroshilov, {Pavel M.} and Constantin Simovski",
year = "2016",
month = "7",
day = "1",
doi = "10.1016/j.photonics.2016.03.002",
language = "English",
volume = "20",
pages = "18--30",
journal = "PHOTONICS AND NANOSTRUCTURES: FUNDAMENTALS AND APPLICATIONS",
issn = "1569-4410",
publisher = "Elsevier",

}

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TY - JOUR

T1 - Leaky domino-modes in regular arrays of substantially thick metal nanostrips

AU - Voroshilov, Pavel M.

AU - Simovski, Constantin

PY - 2016/7/1

Y1 - 2016/7/1

N2 - In previous works, an efficient light trapping performed by arrays of metal nanoantennas whose building block was a slightly tapered (trapezoidal) substantially thick nanostrip was revealed. This light trapping implied a broad spectrum of solar light concentrated in a subwavelength depth of the semiconductor substrate. This is a very advantageous feature allowing our structure to enhance thin-film solar cells. However, the physics of the broadband resonant absorption in the substrate was not investigated. In the present paper, we show that our arrays support so-called leaky domino-modes, responsible for such the light trapping. These modes are multipole oscillations of the array of substantially thick nanostrips. In this work we have thoroughly studied these leaky modes relating them to resonances of high-order multipole moments and to broadband light-trapping effect.

AB - In previous works, an efficient light trapping performed by arrays of metal nanoantennas whose building block was a slightly tapered (trapezoidal) substantially thick nanostrip was revealed. This light trapping implied a broad spectrum of solar light concentrated in a subwavelength depth of the semiconductor substrate. This is a very advantageous feature allowing our structure to enhance thin-film solar cells. However, the physics of the broadband resonant absorption in the substrate was not investigated. In the present paper, we show that our arrays support so-called leaky domino-modes, responsible for such the light trapping. These modes are multipole oscillations of the array of substantially thick nanostrips. In this work we have thoroughly studied these leaky modes relating them to resonances of high-order multipole moments and to broadband light-trapping effect.

KW - Leaky modes

KW - Light-trapping structures

KW - Multipole resonances

KW - Nanoantennas

UR - http://www.scopus.com/inward/record.url?scp=84961999740&partnerID=8YFLogxK

U2 - 10.1016/j.photonics.2016.03.002

DO - 10.1016/j.photonics.2016.03.002

M3 - Article

AN - SCOPUS:84961999740

VL - 20

SP - 18

EP - 30

JO - PHOTONICS AND NANOSTRUCTURES: FUNDAMENTALS AND APPLICATIONS

JF - PHOTONICS AND NANOSTRUCTURES: FUNDAMENTALS AND APPLICATIONS

SN - 1569-4410

ER -

ID: 2529331