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Title: Multi-directional plasmonic surface-wave splitters with full bandwidth isolation
Authors: Gao, Zhen
Gao, Fei
Zhang, Baile
Keywords: Surface waves
Crystal defects
Issue Date: 2016
Source: Gao, Z., Gao, F., & Zhang, B. (2016). Multi-directional plasmonic surface-wave splitters with full bandwidth isolation. Applied Physics Letters, 108(11), 111107-.
Series/Report no.: Applied Physics Letters
Abstract: We present a multidirectional plasmonic surface-wave splitter with full bandwidth isolation experimentally based on coupled defectsurface modes in a surface-wave photonic crystal. In contrast to conventional plasmonic surface-wave frequency splitters with polaritonic dispersion relations that overlap at low frequencies, this multidirectional plasmonic surface-wave splitter based on coupled defectsurface modes can split different frequency bands into different waveguide branches without bandwidth overlap. Transmission spectra and near-field imaging measurements have been implemented in the microwave frequencies to verify the performance of the multidirectional plasmonic surface-wave splitter. This surface wavestructure can be used as a plasmonic wavelength-division multiplexer that may find potential applications in the surface-wave integrated circuits from microwave to terahertz frequencies.
ISSN: 0003-6951
DOI: 10.1063/1.4944461
Rights: © 2016 AIP Publishing LLC. This paper was published in Applied Physics Letters and is made available as an electronic reprint (preprint) with permission of AIP Publishing LLC. The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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