Spoof Surface Plasmon Polaritons Power Divider with large Isolation

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 effici...

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Autores principales:	Shiyan Zhou, Jing-Yu Lin, Sai-Wai Wong, Fei Deng, Lei Zhu, Yang Yang, Yejun He, Zhi-Hong Tu
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3cb335b0d3ca42e8b69dc76ade48512c
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spelling	oai:doaj.org-article:3cb335b0d3ca42e8b69dc76ade48512c2021-12-02T11:41:14ZSpoof Surface Plasmon Polaritons Power Divider with large Isolation10.1038/s41598-018-24404-02045-2322https://doaj.org/article/3cb335b0d3ca42e8b69dc76ade48512c2018-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-24404-0https://doaj.org/toc/2045-2322Abstract 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 Ω 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.Shiyan ZhouJing-Yu LinSai-Wai WongFei DengLei ZhuYang YangYejun HeZhi-Hong TuNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-8 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Shiyan Zhou Jing-Yu Lin Sai-Wai Wong Fei Deng Lei Zhu Yang Yang Yejun He Zhi-Hong Tu Spoof Surface Plasmon Polaritons Power Divider with large Isolation
description	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 Ω 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.
format	article
author	Shiyan Zhou Jing-Yu Lin Sai-Wai Wong Fei Deng Lei Zhu Yang Yang Yejun He Zhi-Hong Tu
author_facet	Shiyan Zhou Jing-Yu Lin Sai-Wai Wong Fei Deng Lei Zhu Yang Yang Yejun He Zhi-Hong Tu
author_sort	Shiyan Zhou
title	Spoof Surface Plasmon Polaritons Power Divider with large Isolation
title_short	Spoof Surface Plasmon Polaritons Power Divider with large Isolation
title_full	Spoof Surface Plasmon Polaritons Power Divider with large Isolation
title_fullStr	Spoof Surface Plasmon Polaritons Power Divider with large Isolation
title_full_unstemmed	Spoof Surface Plasmon Polaritons Power Divider with large Isolation
title_sort	spoof surface plasmon polaritons power divider with large isolation
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/3cb335b0d3ca42e8b69dc76ade48512c
work_keys_str_mv	AT shiyanzhou spoofsurfaceplasmonpolaritonspowerdividerwithlargeisolation AT jingyulin spoofsurfaceplasmonpolaritonspowerdividerwithlargeisolation AT saiwaiwong spoofsurfaceplasmonpolaritonspowerdividerwithlargeisolation AT feideng spoofsurfaceplasmonpolaritonspowerdividerwithlargeisolation AT leizhu spoofsurfaceplasmonpolaritonspowerdividerwithlargeisolation AT yangyang spoofsurfaceplasmonpolaritonspowerdividerwithlargeisolation AT yejunhe spoofsurfaceplasmonpolaritonspowerdividerwithlargeisolation AT zhihongtu spoofsurfaceplasmonpolaritonspowerdividerwithlargeisolation
_version_	1718395393540096000

Spoof Surface Plasmon Polaritons Power Divider with large Isolation

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