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Journal of Nanophotonics

Analysis of convex rib hybrid surface plasmon waveguide with ultralong propagation distance and tight mode confinement
Author(s): Kai Zheng; Xin Zheng; Zuxun Song
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Paper Abstract

A hybrid surface plasmon waveguide (HSPWG) with a convex rib added on the metal surface is further investigated and analyzed theoretically. The high mode confinement and long propagation distance can be realized simultaneously by optimizing the waveguide geometry. Our designed structures can provide mode area and propagation distance achieving close to λ2/512 and 2200  μm respectively, which are better than the performance of the traditional HSPWG. Our structures are excellent, promising candidates for improving plasmonic devices in the fields of ultrafast modulators and low-threshold nanolaser.

Paper Details

Date Published: 18 February 2016
PDF: 7 pages
J. Nanophoton. 10(1) 016005 doi: 10.1117/1.JNP.10.016005
Published in: Journal of Nanophotonics Volume 10, Issue 1
Show Author Affiliations
Kai Zheng, Northwestern Polytechnical Univ. (China)
Xin Zheng, Univ. of Illinois at Chicago (United States)
Zuxun Song, Northwestern Polytechnical Univ. (China)

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