High-Q silicon-on-insulator optical rib waveguide racetrack resonators
Date
2005Source Title
Optics Express
Print ISSN
10944087
Publisher
Optical Society of American (OSA)
Volume
13
Issue
6
Pages
1900 - 1905
Language
English
Type
ArticleItem Usage Stats
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Abstract
In this work, detailed design and realization of high quality factor (Q) racetrack resonators based on silicon-on-insulator rib waveguides are presented. Aiming to achieve critical coupling, suitable waveguide geometry is determined after extensive numerical studies of bending loss. The final design is obtained after coupling factor calculations and estimation of propagation loss. Resonators with quality factors (Q) as high as 119000 has been achieved, the highest Q value for resonators based on silicon-on-insulator rib waveguides to date with extinction ratios as large as 12 dB. © 2005 Optical Society of America.
Keywords
LasersLight polarization
Light propagation
Optical devices
Optical waveguides
Silica
Silicon on insulator technology
Critical coupling
Integrated optics devices
Microdisk lasers
Quality factor
Resonators