Spoof Surface Plasmon Polaritons Based on Balanced Coplanar Stripline Waveguides

Xu, KD; Zhang, F; Guo, Y; Ye, L; Liu, Y

Spoof Surface Plasmon Polaritons Based on Balanced Coplanar Stripline Waveguides

Xu, KD Zhang, F Guo, Y Ye, L Liu, Y

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Publisher:: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Publication Type:: Journal Article
Citation:: IEEE Photonics Technology Letters, 2020, 32, (1), pp. 55-58
Issue Date:: 2020-01-01

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Field	Value	Language
dc.contributor.author	Xu, KD
dc.contributor.author	Zhang, F
dc.contributor.author	Guo, Y
dc.contributor.author	Ye, L
dc.contributor.author	Liu, Y https://orcid.org/0000-0001-5466-0184
dc.date.accessioned	2021-03-11T01:39:50Z
dc.date.available	2021-03-11T01:39:50Z
dc.date.issued	2020-01-01
dc.identifier.citation	IEEE Photonics Technology Letters, 2020, 32, (1), pp. 55-58
dc.identifier.issn	1041-1135
dc.identifier.issn	1941-0174
dc.identifier.uri	http://hdl.handle.net/10453/147026
dc.description.abstract	© 1989-2012 IEEE. Ultra-wideband spoof surface plasmon polaritons (SSPPs) based on compact balanced coplanar stripline (CPS) waveguides are proposed. Compared with the conventional CPS-based terahertz (THz) SSPP unit cell, the proposed one has achieved a size reduction of 55.2% under the condition of the same asymptotic frequency. The propagation and attenuation characteristics of the proposed SSPP waveguide can be easily manipulated by adjusting the geometry dimensions of the SSPP unit cell. It indicates that the cut-off frequency of the SSPP waveguide has its tunable flexibility thereby facilitating the filter design. To further validate the proposed idea, a similar topology in microwave regime is designed and measured, where the microwave feeding can be easily realized by embedding a balun structure from unbalanced microstrip line to balanced CPS. The measurement of the microwave filter prototype illustrates ultra-wideband bandpass filtering characteristics with return losses of over 10 dB and average insertion losses of 3.2 dB in the passband of 1.9-14 GHz. The presented work may have significant potentials to develop the miniaturization of various planar plasmonic devices and integrated circuits in microwave and THz regimes.
dc.language	English
dc.publisher	IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
dc.relation.ispartof	IEEE Photonics Technology Letters
dc.relation.isbasedon	10.1109/LPT.2019.2957059
dc.rights	© 2020 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.	en_US
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0205 Optical Physics, 0906 Electrical and Electronic Engineering
dc.subject.classification	Optoelectronics & Photonics
dc.title	Spoof Surface Plasmon Polaritons Based on Balanced Coplanar Stripline Waveguides
dc.type	Journal Article
utslib.citation.volume	32
utslib.for	0205 Optical Physics
utslib.for	0906 Electrical and Electronic Engineering
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Electrical and Data Engineering
utslib.copyright.status	closed_access	*
pubs.consider-herdc	false
dc.date.updated	2021-03-11T01:39:49Z
pubs.issue	1
pubs.publication-status	Published
pubs.volume	32
utslib.citation.issue	1

Abstract:

© 1989-2012 IEEE. Ultra-wideband spoof surface plasmon polaritons (SSPPs) based on compact balanced coplanar stripline (CPS) waveguides are proposed. Compared with the conventional CPS-based terahertz (THz) SSPP unit cell, the proposed one has achieved a size reduction of 55.2% under the condition of the same asymptotic frequency. The propagation and attenuation characteristics of the proposed SSPP waveguide can be easily manipulated by adjusting the geometry dimensions of the SSPP unit cell. It indicates that the cut-off frequency of the SSPP waveguide has its tunable flexibility thereby facilitating the filter design. To further validate the proposed idea, a similar topology in microwave regime is designed and measured, where the microwave feeding can be easily realized by embedding a balun structure from unbalanced microstrip line to balanced CPS. The measurement of the microwave filter prototype illustrates ultra-wideband bandpass filtering characteristics with return losses of over 10 dB and average insertion losses of 3.2 dB in the passband of 1.9-14 GHz. The presented work may have significant potentials to develop the miniaturization of various planar plasmonic devices and integrated circuits in microwave and THz regimes.

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http://hdl.handle.net/10453/147026