Differential surface plasmon polaritons transmission line with controllable common mode rejection

Abstract In this paper, a spoof surface plasmon polarions (SPPs) transmission line is designed by patterning thin metal film in open-cross shape arranged in array. Numerical simulations show the proposed open-cross array can support spoof SPPs with enlarged propagation constant and hence enhanced co...

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Auteurs principaux:	Xue-Feng Zhang, Jian-Xin Chen, Rui-Feng Gao, Chen Xu, Zhi-Hua Bao
Format:	article
Langue:	EN
Publié:	Nature Portfolio 2017
Sujets:	Medicine R Science Q
Accès en ligne:	https://doaj.org/article/4f25a2cb3bc34fc3a8ec097285d6980f
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spelling	oai:doaj.org-article:4f25a2cb3bc34fc3a8ec097285d6980f2021-12-02T11:40:24ZDifferential surface plasmon polaritons transmission line with controllable common mode rejection10.1038/s41598-017-03242-62045-2322https://doaj.org/article/4f25a2cb3bc34fc3a8ec097285d6980f2017-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-017-03242-6https://doaj.org/toc/2045-2322Abstract In this paper, a spoof surface plasmon polarions (SPPs) transmission line is designed by patterning thin metal film in open-cross shape arranged in array. Numerical simulations show the proposed open-cross array can support spoof SPPs with enlarged propagation constant and hence enhanced confinement at metal/dielectric interface as compared to the reported ultra-thin plasmonic waveguide with the rectangular groove or solid-cross. Furthermore, a differential transmission line pair is built with such two close plasmonic arrays. A narrow metal strip locates at the symmetrical plane of the two SPPs waveguides and acts as a resonator to realize common-mode rejection at specific frequency. The notch frequency for common mode can be adjusted by tuning the metal strip length of the resonator while differential mode propagation remains unaffected. Both simulated and experimental results with good agreement are given to verify the proposed idea.Xue-Feng ZhangJian-Xin ChenRui-Feng GaoChen XuZhi-Hua BaoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 7, Iss 1, Pp 1-7 (2017)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Xue-Feng Zhang Jian-Xin Chen Rui-Feng Gao Chen Xu Zhi-Hua Bao Differential surface plasmon polaritons transmission line with controllable common mode rejection
description	Abstract In this paper, a spoof surface plasmon polarions (SPPs) transmission line is designed by patterning thin metal film in open-cross shape arranged in array. Numerical simulations show the proposed open-cross array can support spoof SPPs with enlarged propagation constant and hence enhanced confinement at metal/dielectric interface as compared to the reported ultra-thin plasmonic waveguide with the rectangular groove or solid-cross. Furthermore, a differential transmission line pair is built with such two close plasmonic arrays. A narrow metal strip locates at the symmetrical plane of the two SPPs waveguides and acts as a resonator to realize common-mode rejection at specific frequency. The notch frequency for common mode can be adjusted by tuning the metal strip length of the resonator while differential mode propagation remains unaffected. Both simulated and experimental results with good agreement are given to verify the proposed idea.
format	article
author	Xue-Feng Zhang Jian-Xin Chen Rui-Feng Gao Chen Xu Zhi-Hua Bao
author_facet	Xue-Feng Zhang Jian-Xin Chen Rui-Feng Gao Chen Xu Zhi-Hua Bao
author_sort	Xue-Feng Zhang
title	Differential surface plasmon polaritons transmission line with controllable common mode rejection
title_short	Differential surface plasmon polaritons transmission line with controllable common mode rejection
title_full	Differential surface plasmon polaritons transmission line with controllable common mode rejection
title_fullStr	Differential surface plasmon polaritons transmission line with controllable common mode rejection
title_full_unstemmed	Differential surface plasmon polaritons transmission line with controllable common mode rejection
title_sort	differential surface plasmon polaritons transmission line with controllable common mode rejection
publisher	Nature Portfolio
publishDate	2017
url	https://doaj.org/article/4f25a2cb3bc34fc3a8ec097285d6980f
work_keys_str_mv	AT xuefengzhang differentialsurfaceplasmonpolaritonstransmissionlinewithcontrollablecommonmoderejection AT jianxinchen differentialsurfaceplasmonpolaritonstransmissionlinewithcontrollablecommonmoderejection AT ruifenggao differentialsurfaceplasmonpolaritonstransmissionlinewithcontrollablecommonmoderejection AT chenxu differentialsurfaceplasmonpolaritonstransmissionlinewithcontrollablecommonmoderejection AT zhihuabao differentialsurfaceplasmonpolaritonstransmissionlinewithcontrollablecommonmoderejection
_version_	1718395640932728832

Differential surface plasmon polaritons transmission line with controllable common mode rejection

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