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Proceedings Paper

Hybrid WGM-SPP modes in metal-coated microcylinder
Author(s): Yadong Miao; Zhuo Zhang; Mi Li; Yu Xiang; Yunchong Peng; Qiang Chen; Yuejiang Song
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Paper Abstract

Based on electromagnetic eigenequation in silver-coated microcylinder, we study its mode characteristics and sensing characteristics, including dispersion relation, quality factor (Q factor), sensitivity (S) and detection limit (DL). We find hybrid WGM-SPPs modes in energy distribution and mode coupling phenomenon in dispersion curve. In the vicinity of mode coupling point, hybrid TM-SPPs modes (or supermodes) have both high Q factor and high surface enhancement factor. Meanwhile the hybrid modes have high refractive sensitivity and figure of merit (FoM), which enables potential applications in chemical and biological sensing.

Paper Details

Date Published: 4 November 2016
PDF: 7 pages
Proc. SPIE 10027, Nanophotonics and Micro/Nano Optics III, 100270F (4 November 2016); doi: 10.1117/12.2247800
Show Author Affiliations
Yadong Miao, Nanjing Univ. (China)
Zhuo Zhang, Nanjing Univ. (China)
Mi Li, Nanjing Univ. (China)
Yu Xiang, Nanjing Univ. (China)
Yunchong Peng, Nanjing Univ. (China)
Qiang Chen, Nanjing Univ. (China)
Yuejiang Song, Nanjing Univ. (China)

Published in SPIE Proceedings Vol. 10027:
Nanophotonics and Micro/Nano Optics III
Zhiping Zhou; Kazumi Wada, Editor(s)

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