dc.contributor.authorZhu, Di
dc.contributor.authorZhou, Yanyan
dc.contributor.authorYu, Xia
dc.contributor.authorShum, Perry Ping
dc.contributor.authorLuan, Feng
dc.identifier.citationZhu, 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.en_US
dc.description.abstractThis 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.en_US
dc.relation.ispartofseriesOptics expressen_US
dc.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: [http://dx.doi.org/10.1364/OE.20.026285]. 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.en_US
dc.subjectDRNTU::Engineering::Electrical and electronic engineering
dc.titleRadially graded index whispering gallery mode resonator for penetration enhancementen_US
dc.typeJournal Article
dc.contributor.researchSingapore Institute of Manufacturing Technologyen_US
dc.contributor.schoolSchool of Electrical and Electronic Engineeringen_US
dc.description.versionPublished versionen_US

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