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3 November 2016 Analysis of asymmetric hybrid rib-slot-rib surface plasmon waveguide with high-confinement mode
Kai Zheng, Zuxun Song
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Proceedings Volume 10028, Plasmonics II; 1002816 (2016) https://doi.org/10.1117/12.2244820
Event: SPIE/COS Photonics Asia, 2016, Beijing, China
Abstract
The hybrid rib-slot-rib surface plasmon waveguide where a combined rib-slot-rib structure is added on the metal substrate within a low-index gap region with asymmetric structures is proposed using finite element method. Two types of asymmetric structures are introduced and their modal properties are discussed and compared to their traditional long range surface plasmon waveguide. Our designed structures can provide enhanced confinement energy within the gap region at proper parameters. Our simulation result is a guide for turning properties of plasmonic waveguide and providing ways for improved electromagnetic energy confinement in surface plasmon waveguide.
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Kai Zheng and Zuxun Song "Analysis of asymmetric hybrid rib-slot-rib surface plasmon waveguide with high-confinement mode", Proc. SPIE 10028, Plasmonics II, 1002816 (3 November 2016); https://doi.org/10.1117/12.2244820
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KEYWORDS
Waveguides
Silicon
Nanowires
Surface plasmons
Wave propagation
Silver
Waveguide modes
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