Analysis of convex rib hybrid surface plasmon waveguide with ultralong propagation distance and tight mode confinement

Kai Zheng; Xin Zheng; Zuxun Song

doi:10.1117/1.JNP.10.016005

18 February 2016 Analysis of convex rib hybrid surface plasmon waveguide with ultralong propagation distance and tight mode confinement

Kai Zheng, Xin Zheng, Zuxun Song

Author Affiliations +

Journal of Nanophotonics, Vol. 10, Issue 1, 016005 (February 2016). https://doi.org/10.1117/1.JNP.10.016005

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.

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Kai Zheng, Xin Zheng, and Zuxun Song "Analysis of convex rib hybrid surface plasmon waveguide with ultralong propagation distance and tight mode confinement," Journal of Nanophotonics 10(1), 016005 (18 February 2016). https://doi.org/10.1117/1.JNP.10.016005

Published: 18 February 2016

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