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Proceedings Paper

Fano resonance in whispering gallery photonic microcavities
Author(s): Yun-Feng Xiao; Bei-Bei Li; Xue-Feng Jiang; Yan Li; Qihuang Gong
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Paper Abstract

Fano resonances, sometimes behaving like electromagnetic induced transparency (EIT)-like resonances in whisperinggallery- mode (WGM) microcavities are attracting much attention due to the important applications in high-sensitivity biosensing, optical switch, and slow light. In this paper, Fano resonances in several WGM systems are reported, including in a single WGM photonic microcavity and in coupled WGM microcavities. Specifically, in a single WGM microcavity system, Fano or EIT-like resonances in both polydimethylsiloxane (PDMS) coated silica microtoroid and bare silica microtoroid are experimentally investigated. In coupled microcavity system, we report a theoretical study of EIT-like resonance in an array of microcavities indirectly coupled through a parallel waveguides system. Finally, we experimentally investigate the Fano resonance in two microcavities indirectly coupled via a single fiber taper.

Paper Details

Date Published: 20 November 2012
PDF: 9 pages
Proc. SPIE 8564, Nanophotonics and Micro/Nano Optics, 85640V (20 November 2012); doi: 10.1117/12.2000397
Show Author Affiliations
Yun-Feng Xiao, Peking Univ. (China)
Bei-Bei Li, Peking Univ. (China)
Xue-Feng Jiang, Peking Univ. (China)
Yan Li, Peking Univ. (China)
Qihuang Gong, Peking Univ. (China)

Published in SPIE Proceedings Vol. 8564:
Nanophotonics and Micro/Nano Optics
Zhiping Zhou; Kazumi Wada, Editor(s)

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