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https://hdl.handle.net/2440/133789
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Type: | Journal article |
Title: | All-Silicon Terahertz Planar Horn Antenna |
Author: | Liang, J. Gao, W. Lees, H. Withayachumnankul, W. |
Citation: | IEEE Antennas and Wireless Propagation Letters, 2021; 20(11):2181-2185 |
Publisher: | Institute of Electrical and Electronics Engineers |
Issue Date: | 2021 |
ISSN: | 1536-1225 1548-5757 |
Statement of Responsibility: | Jie Liang, Weijie Gao, Harrison Lees, and Withawat Withayachumnankul |
Abstract: | In this letter, we propose an integrated all-silicon 2-D horn antenna operating over 220 to 330 GHz (WR-3 band). This endfire antenna is designed for full integration with a substrateless all-dielectric terahertz frontend. The antenna supports two orthogonal fundamental modes of guided waves with in-plane and out-of-plane polarizations. By introducing a 2-D effective-medium dielectric lens on the same platform, the antenna realized gain together with the free-space impedance matching is enhanced allowing for a broadband operation with a fractional impedance bandwidth of 40% on a compact footprint. The fabricated antenna is experimentally validated with measured realized gain ranging from 11.2 to 14.2 dBi for the in-plane polarization and 10.5–15.0 dBi for the out-of-plane polarization across the entire WR-3 band. We foresee that this all-dielectric horn antenna together with the integrated highly efficient platform can be adopted in beyond 5G communications. |
Keywords: | 2-D horn antenna; dielectric lens; dielectric waveguide; effective medium; terahertz communications |
Rights: | © 2021 IEEE. Personal use is permitted, but republication/redistribution requires IEEE permission. |
DOI: | 10.1109/lawp.2021.3094310 |
Grant ID: | http://purl.org/au-research/grants/arc/DP180103561 |
Published version: | http://dx.doi.org/10.1109/lawp.2021.3094310 |
Appears in Collections: | Electrical and Electronic Engineering publications |
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