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Proceedings Paper

Design and analysis of ultra small radius micro-ring resonator
Author(s): Cheng Yu Wang; Chih Wei Tseng; Chun Yen Chen; Chun Ta Wang; Yung Jui Chen
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Paper Abstract

Small-radius microring resonator with large free spectral range (FSR) are of great interest for optical communication and optical interconnect applications. Multi-ring structures are used to generate a box-like spectrum with large FSR. However, coupling coefficient in conventional ring resonator structure is not large enough. In this paper, we design a novel conformal race-track structure to enlarge the interaction region between bus waveguide and microring, which can effectively enhance the coupling coefficient. The simulated results show that the power coupling coefficient of the conformal race-track structure with a conformal angle of 80° is around 9.32%, which is quite large for the criterion of multi-ring structure, so that we can design a box-like and narrow passband with large FSR .

Paper Details

Date Published: 7 May 2013
PDF: 7 pages
Proc. SPIE 8781, Integrated Optics: Physics and Simulations, 87810A (7 May 2013); doi: 10.1117/12.2017186
Show Author Affiliations
Cheng Yu Wang, National Sun Yat-Sen Univ. (Taiwan)
Chih Wei Tseng, National Sun Yat-Sen Univ. (Taiwan)
National Tsing Hua Univ. (Taiwan)
Chun Yen Chen, National Sun Yat-Sen Univ. (Taiwan)
Chun Ta Wang, National Sun Yat-Sen Univ. (Taiwan)
Yung Jui Chen, National Sun Yat-Sen Univ. (Taiwan)

Published in SPIE Proceedings Vol. 8781:
Integrated Optics: Physics and Simulations
Pavel Cheben; Jiří Čtyroký; Iñigo Molina-Fernandez, Editor(s)

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