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Great localized field enhancement in terahertz antenna composed of hyperbolic metamaterials
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Paper Abstract

We propose a novel type of bowtie terahertz antenna based on hyperbolic metamaterials that are composed of multilayers of Indium Antimonide (InSb) and SiO2. The InSb-SiO2 multilayers have hyperbolic dispersion at terahertz frequency range. Compared with the conventional bowtie antenna composed of gold, fully-vectorial simulations show that, the localized field enhancement in the proposed structure is 16 times of that for the gold antenna. We further reveal that this great field enhancement attributes to the significantly enhanced out-of-plane electric field component in the hyperbolic metamaterial antenna. We expect this work will find applications in terahertz sensors, detectors, and nonlinear devices.

Paper Details

Date Published: 18 November 2019
PDF: 6 pages
Proc. SPIE 11196, Infrared, Millimeter-Wave, and Terahertz Technologies VI, 111960I (18 November 2019); doi: 10.1117/12.2537263
Show Author Affiliations
Cong Cheng, Shenzhen Institutes of Advanced Technology (China)
Guizhou Univ. (China)
YuanFu Lu, Shenzhen Institutes of Advanced Technology (China)
Rui Zhang, Shenzhen Institutes of Advanced Technology (China)
Guangyuan Li, Shenzhen Institutes of Advanced Technology (China)


Published in SPIE Proceedings Vol. 11196:
Infrared, Millimeter-Wave, and Terahertz Technologies VI
Cunlin Zhang; Xi-Cheng Zhang; Masahiko Tani, Editor(s)

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