Radially graded index whispering gallery mode resonator for penetration enhancement

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 pen...

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Bibliographic Details
Main Authors: Zhu, Di, Zhou, Yanyan, Yu, Xia, Shum, Perry Ping, Luan, Feng
Other Authors: School of Electrical and Electronic Engineering
Format: Article
Language:English
Published: 2013
Subjects:
Online Access:https://hdl.handle.net/10356/99602
http://hdl.handle.net/10220/11023
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Institution: Nanyang Technological University
Language: English