Four-Way Spoof Surface Plasmon Polaritons Splitter/Combiner

Corrugated metal with period grooves supports spoof surface plasmons polariton (SSPP) wave in microwave and terahertz ranges. In this letter, a four-way SSPP splitter/combiner with oval-ring periodic structures is presented by using a single connection junction. Up to the authors' best knowledg...

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Bibliographic Details
Published inIEEE microwave and wireless components letters Vol. 29; no. 2; pp. 98 - 100
Main Authors Zhou, Shi-Yan, Wong, Sai-Wai, Lin, Jing-Yu, Zhu, Lei, He, Yejun, Tu, Zhi-Hong
Format Journal Article
LanguageEnglish
Published IEEE 01.02.2019
Subjects
Coplanar waveguide (CPW)
Coplanar waveguides
four-way splitter/combiner
Microwave circuits
Microwave integrated circuits
Optical surface waves
Plasmons
spoof surface plasmon polariton (SSPP)
Surface waves
Transmission line measurements
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Summary:Corrugated metal with period grooves supports spoof surface plasmons polariton (SSPP) wave in microwave and terahertz ranges. In this letter, a four-way SSPP splitter/combiner with oval-ring periodic structures is presented by using a single connection junction. Up to the authors' best knowledge, a four-way SSPP splitter/combiner is never reported in the literature. In order to verify the performance of the mentioned SSPP splitter/combiner, we have manufactured and tested the presented SSPP splitter/combiner. The simulation and measurement results demonstrate that the designed conversion between a single coplanar waveguide junction and four SSPP waveguides is high efficiency. The SSPP splitter equally separates the electromagnetic wave into four paths. Hence, the proposed four-way splitter is expected to develop the SSPP active and passive components and relative integrated circuits.
ISSN:1531-1309
1558-1764
DOI:10.1109/LMWC.2018.2886318