Polarization responses of terahertz dielectric rod antenna arrays
Date
2019
Authors
Withayachumnankul, W.
Fujita, M.
Nagatsuma, T.
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Conference paper
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Proceedings of the 2019 International Conference on Microwave and Millimeter Wave Technology (ICMMT), 2019, pp.1-3
Statement of Responsibility
Withawat Withayachumnankul, Masayuki Fujita, Tadao Nagatsuma
Conference Name
International Conference on Microwave and Millimeter Wave Technology (19 May 2019 - 22 May 2019 : Guangzhou, China)
Abstract
The terahertz band holds great potential for post-5G wireless communications owing to its vast underexplored spectral resources. Recently, we have experimentally demonstrated terahertz all-dielectric antennas that involve effective medium, entirely implemented on a silicon platform. The antennas possess broad bandwidth, high efficiency, and high radiation gain, which are key ingredients for point-to-point terahertz links. In this report, we extend the study to polarization dependence of the all-dielectric antennas. Numerical results show that the antennas can maintain their performance in both polarizations, even though they were specifically designed for a single linear polarization. The attainable gain for both linear polarizations is greater than 20 dBi within the bandwidth between 300 - 400 GHz or 28% relative bandwidth.
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© 2019 IEEE