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Spoof Surface Plasmon Polaritons Power Divider with large Isolation
Zhou, Shiyan1; Lin, Jing-Yu1; Wong, Sai-Wai2; Deng, Fei1; Zhu, Lei4; Yang, Yang3; He, Yejun2; Tu, Zhi-Hong1
2018-04-13
Source PublicationSCIENTIFIC REPORTS
ISSN2045-2322
Volume8
Abstract

Periodic corrugated metal structure is designed to support and propagate spoof surface plasmon polaritons (SSPPs) wave in the microwave frequencies. In this paper, firstly a plasmonic waveguide consisting of oval-ring shaped cells is proposed with the performance of high transmission efficiency in a wide frequency range. The coplanar waveguides (CPWs) with 50 Omega impedance are adopted to feed the energies or extract signals at both ends of the plasmonic waveguide. Then a well-isolated power divider is constructed based on the SSPPs waveguides aiming to equally split the energy of the SSPPs wave into two equal parts. The stepped-impedances are co-designed with the three input/output ports of the power divider to achieve the impedance-matching between the SSPPs waveguides and the coplanar waveguides. Besides, a single resistor is placed in the middle of two symmetrical half oval-rings to realize the isolation between the two output ports over the spectrum of 4.5-7.5 GHz. Finally, both plasmonic waveguide and the power divider are fabricated and tested to verify the predicted characteristics.

DOI10.1038/s41598-018-24404-0
URLView the original
Indexed BySCI
Language英语
WOS Research AreaScience & Technology - Other Topics
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000429917900008
PublisherNATURE PUBLISHING GROUP
The Source to ArticleWOS
Fulltext Access
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Cited Times [WOS]:13   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
Corresponding AuthorWong, Sai-Wai
Affiliation1.School of Electronic and Information Engineering, South China University of Technology, Guangzhou City, Guangdong Province, 510640, China
2.College of Information Engineering, Shenzhen University, Shenzhen, 518060, China
3.School of Electrical and Data Engineering, University of Technology Sydney, Ultimo, NSW 2007, Australia
4.Department of Electrical and Computer Engineering, Faculty of Science and Technology, University of Macau, Macau, SAR, 999078, China
Recommended Citation
GB/T 7714
Zhou, Shiyan,Lin, Jing-Yu,Wong, Sai-Wai,et al. Spoof Surface Plasmon Polaritons Power Divider with large Isolation[J]. SCIENTIFIC REPORTS,2018,8.
APA Zhou, Shiyan.,Lin, Jing-Yu.,Wong, Sai-Wai.,Deng, Fei.,Zhu, Lei.,...&Tu, Zhi-Hong.(2018).Spoof Surface Plasmon Polaritons Power Divider with large Isolation.SCIENTIFIC REPORTS,8.
MLA Zhou, Shiyan,et al."Spoof Surface Plasmon Polaritons Power Divider with large Isolation".SCIENTIFIC REPORTS 8(2018).
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