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Title: Radially graded index whispering gallery mode resonator for penetration enhancement
Authors: Zhu, Di
Zhou, Yanyan
Yu, Xia
Shum, Perry Ping
Luan, Feng
Keywords: DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2012
Source: Zhu, D., Zhou, Y., Yu, X., Shum, P., & Luan, F. (2012). Radially graded index whispering gallery mode resonator for penetration enhancement. Optics Express, 20(24), 26285-26291.
Series/Report no.: Optics express
Abstract: This paper theoretically analyzes a hollow cylindrical whispering gallery mode resonator with radially inhomogeneous cladding. We propose an index profile of n(r) = b/r to enhance field penetration towards the resonator core. With such index profile, externally coupled evanescent wave can easily penetrate the resonator cladding without any potential barrier.
ISSN: 1094-4087
DOI: 10.1364/OE.20.026285
Rights: © 2012 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles
SIMTech Journal Articles

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