High load sensitivity in wideband infrared dual-Vivaldi nanoantennas

Yuval Yifat; Zeev Iluz; Doron Bar-Lev; Michal Eitan; Yael Hanein; Amir Boag; Jacob Scheuer

doi:10.1364/OL.38.000205

High load sensitivity in wideband infrared dual-Vivaldi nanoantennas

Yuval Yifat, Zeev Iluz, Doron Bar-Lev, Michal Eitan, Yael Hanein, Amir Boag, Jacob Scheuer^*

^*Corresponding author for this work

School of Electrical Engineering

Tel Aviv University

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

20 Scopus citations

Abstract

Dual-Vivaldi nanoantenna (DVA) arrays were designed, fabricated, and optically characterized in the infrared (IR) and visible regimes. The antenna arrays were characterized by measuring the scattered light at IR (1450-1640 nm) and visible (780 nm) spectral ranges. The radiation efficiency and the spectral response of the antennas were found to be in good agreement with numerical simulations. The results presented here demonstrate the extremely wideband nature of the DVAs and the strong impact of load at the antenna terminals on its scattering response. These properties, as well as their many degrees of freedom for design, render the DVAs excellent candidates for optical sensing applications.

Original language	English
Pages (from-to)	205-207
Number of pages	3
Journal	Optics Letters
Volume	38
Issue number	2
DOIs	https://doi.org/10.1364/OL.38.000205
State	Published - 15 Jan 2013

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abstract = "Dual-Vivaldi nanoantenna (DVA) arrays were designed, fabricated, and optically characterized in the infrared (IR) and visible regimes. The antenna arrays were characterized by measuring the scattered light at IR (1450-1640 nm) and visible (780 nm) spectral ranges. The radiation efficiency and the spectral response of the antennas were found to be in good agreement with numerical simulations. The results presented here demonstrate the extremely wideband nature of the DVAs and the strong impact of load at the antenna terminals on its scattering response. These properties, as well as their many degrees of freedom for design, render the DVAs excellent candidates for optical sensing applications.",

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AU - Yifat, Yuval

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AU - Bar-Lev, Doron

AU - Eitan, Michal

AU - Hanein, Yael

AU - Boag, Amir

AU - Scheuer, Jacob

PY - 2013/1/15

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N2 - Dual-Vivaldi nanoantenna (DVA) arrays were designed, fabricated, and optically characterized in the infrared (IR) and visible regimes. The antenna arrays were characterized by measuring the scattered light at IR (1450-1640 nm) and visible (780 nm) spectral ranges. The radiation efficiency and the spectral response of the antennas were found to be in good agreement with numerical simulations. The results presented here demonstrate the extremely wideband nature of the DVAs and the strong impact of load at the antenna terminals on its scattering response. These properties, as well as their many degrees of freedom for design, render the DVAs excellent candidates for optical sensing applications.

AB - Dual-Vivaldi nanoantenna (DVA) arrays were designed, fabricated, and optically characterized in the infrared (IR) and visible regimes. The antenna arrays were characterized by measuring the scattered light at IR (1450-1640 nm) and visible (780 nm) spectral ranges. The radiation efficiency and the spectral response of the antennas were found to be in good agreement with numerical simulations. The results presented here demonstrate the extremely wideband nature of the DVAs and the strong impact of load at the antenna terminals on its scattering response. These properties, as well as their many degrees of freedom for design, render the DVAs excellent candidates for optical sensing applications.

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High load sensitivity in wideband infrared dual-Vivaldi nanoantennas

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