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Proceedings Paper

Creating large-bandwidth line defects by embedding dielectric waveguides into photonic crystal slabs
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Paper Abstract

We introduce a general design procedure of creating a linear defect in any photonic crystal slabs that functioned as a waveguide. This involves embedding a dielectric block waveguide into a photonic crysatl slab such that the group velocity dispersion relation is phase matched with the bandgap of the crystal. A specific scheme of integration is required to remove any edge states within the guiding bandwidth. Such methodology allows a systematic tuning of waveguide properties such that it can be non-dispersive, and possesses wide bandwidth that contains only a single mode band. As a support of our argument, we demonstrate a particualr waveguide design that is single mode with essentially no group velocity dispersion, and possesses a bandwidth of 13% of the center band frequency.

Paper Details

Date Published: 9 July 2003
PDF: 7 pages
Proc. SPIE 5000, Photonic Crystal Materials and Devices, (9 July 2003); doi: 10.1117/12.479475
Show Author Affiliations
Wah Tung Lau, Stanford Univ. (United States)
Shanhui Fan, Stanford Univ. (United States)

Published in SPIE Proceedings Vol. 5000:
Photonic Crystal Materials and Devices
Ali Adibi; Axel Scherer; Shawn Yu Lin, Editor(s)

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