Wideband Miniaturized Design of Complementary Spoof Surface Plasmon Polaritons Waveguide Based on Interdigital Structures

Abstract In this paper, we present to achieve a broadband miniaturized transmission waveguide based on complementary spoof surface plasmon polaritons (CSSPPs). For this purpose, a novel SSPP design that consists of a corrugated slot line and a group of additional interdigital structures (ISs) is pro...

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Autores principales:	Bai Cao Pan, Guo Qing Luo, Zhen Liao, Jia Lin Cai, Ben Geng Cai
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/469828ae81ca490990ec686e26ace56f
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spelling	oai:doaj.org-article:469828ae81ca490990ec686e26ace56f2021-12-02T16:23:10ZWideband Miniaturized Design of Complementary Spoof Surface Plasmon Polaritons Waveguide Based on Interdigital Structures10.1038/s41598-020-60244-72045-2322https://doaj.org/article/469828ae81ca490990ec686e26ace56f2020-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-60244-7https://doaj.org/toc/2045-2322Abstract In this paper, we present to achieve a broadband miniaturized transmission waveguide based on complementary spoof surface plasmon polaritons (CSSPPs). For this purpose, a novel SSPP design that consists of a corrugated slot line and a group of additional interdigital structures (ISs) is proposed, which brings in an extra solution to control the cut-off property of CSSPPs. The transmission cut-off frequency of the proposed design decreases with the increasing of the number of the ISs. Since the width of CSSPP waveguide is directly related to the operating frequency, the degree of miniaturization can be modulated freely by carefully choosing the number of the ISs. A prototype of device with four-ISs introduced is designed and fabricated. And the cut-off frequency of the design decreases from 10 GHz to 5.3 GHz, when the ISs are added. Experimental results agree well with the numerical simulations. The proposed design illustrates great potentials in modern plasmonic integrated circuits.Bai Cao PanGuo Qing LuoZhen LiaoJia Lin CaiBen Geng CaiNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-7 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Bai Cao Pan Guo Qing Luo Zhen Liao Jia Lin Cai Ben Geng Cai Wideband Miniaturized Design of Complementary Spoof Surface Plasmon Polaritons Waveguide Based on Interdigital Structures
description	Abstract In this paper, we present to achieve a broadband miniaturized transmission waveguide based on complementary spoof surface plasmon polaritons (CSSPPs). For this purpose, a novel SSPP design that consists of a corrugated slot line and a group of additional interdigital structures (ISs) is proposed, which brings in an extra solution to control the cut-off property of CSSPPs. The transmission cut-off frequency of the proposed design decreases with the increasing of the number of the ISs. Since the width of CSSPP waveguide is directly related to the operating frequency, the degree of miniaturization can be modulated freely by carefully choosing the number of the ISs. A prototype of device with four-ISs introduced is designed and fabricated. And the cut-off frequency of the design decreases from 10 GHz to 5.3 GHz, when the ISs are added. Experimental results agree well with the numerical simulations. The proposed design illustrates great potentials in modern plasmonic integrated circuits.
format	article
author	Bai Cao Pan Guo Qing Luo Zhen Liao Jia Lin Cai Ben Geng Cai
author_facet	Bai Cao Pan Guo Qing Luo Zhen Liao Jia Lin Cai Ben Geng Cai
author_sort	Bai Cao Pan
title	Wideband Miniaturized Design of Complementary Spoof Surface Plasmon Polaritons Waveguide Based on Interdigital Structures
title_short	Wideband Miniaturized Design of Complementary Spoof Surface Plasmon Polaritons Waveguide Based on Interdigital Structures
title_full	Wideband Miniaturized Design of Complementary Spoof Surface Plasmon Polaritons Waveguide Based on Interdigital Structures
title_fullStr	Wideband Miniaturized Design of Complementary Spoof Surface Plasmon Polaritons Waveguide Based on Interdigital Structures
title_full_unstemmed	Wideband Miniaturized Design of Complementary Spoof Surface Plasmon Polaritons Waveguide Based on Interdigital Structures
title_sort	wideband miniaturized design of complementary spoof surface plasmon polaritons waveguide based on interdigital structures
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/469828ae81ca490990ec686e26ace56f
work_keys_str_mv	AT baicaopan widebandminiaturizeddesignofcomplementaryspoofsurfaceplasmonpolaritonswaveguidebasedoninterdigitalstructures AT guoqingluo widebandminiaturizeddesignofcomplementaryspoofsurfaceplasmonpolaritonswaveguidebasedoninterdigitalstructures AT zhenliao widebandminiaturizeddesignofcomplementaryspoofsurfaceplasmonpolaritonswaveguidebasedoninterdigitalstructures AT jialincai widebandminiaturizeddesignofcomplementaryspoofsurfaceplasmonpolaritonswaveguidebasedoninterdigitalstructures AT bengengcai widebandminiaturizeddesignofcomplementaryspoofsurfaceplasmonpolaritonswaveguidebasedoninterdigitalstructures
_version_	1718384165152358400

Wideband Miniaturized Design of Complementary Spoof Surface Plasmon Polaritons Waveguide Based on Interdigital Structures

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