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Proceedings Paper

A compact polarization-independent racetrack resonator with polarization-independent directional coupler and compensation sections formed by slot waveguides
Author(s): Yao-Feng Ma; Ding-Wei Huang
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Paper Abstract

A polarization-independent racetrack type micro-ring resonator formed by silicon-on-insulator slot waveguides with a phase compensation section included was investigated and proposed. By tuning the ratio of lengths of the slot waveguide and the channel waveguide the cumulative phase difference between quasi-TE and quasi-TM modes can be well eliminated which allows for a polarization independent operation over a wide spectral range. The finesses are 226 and 225 for the quasi-TE and quasi-TM modes respectively, with a free spectral range of 9 nm achieved as well as a compact device size of 30 μm, while delivering a good polarization-independent performance with the resonance mode mismatch less than 0.5 nm.

Paper Details

Date Published: 28 August 2010
PDF: 8 pages
Proc. SPIE 7764, Nanoengineering: Fabrication, Properties, Optics, and Devices VII, 776407 (28 August 2010); doi: 10.1117/12.860136
Show Author Affiliations
Yao-Feng Ma, National Taiwan Univ. (Taiwan)
Ding-Wei Huang, National Taiwan Univ. (Taiwan)


Published in SPIE Proceedings Vol. 7764:
Nanoengineering: Fabrication, Properties, Optics, and Devices VII
Elizabeth A. Dobisz; Louay A. Eldada, Editor(s)

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