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Photowritten high-Q cavities in two-dimensional chalcogenide glass photonic crystals

Lee, Michael W; Grillet, Christian; Tomljenovic-Hanic, Snjezana; Mägi, Eric C; Moss, David J; Eggleton, Benjamin J; Gai, Xin; Madden, Steve; Choi, Duk-Yong; Bulla, Douglas; Luther-Davies, Barry

Description

We demonstrate a high-Q(approximately 125,000) photonic crystal (PhC) cavity formed using a postprocessing optical exposure technique where the refractive index of a photosensitive chalcogenide PhC is modified locally. The evolution of the cavity resonances was monitored in situ during writing using a tapered fiber evanescent coupling system, and the Q of 125,000 represents 1 order of magnitude increase over previously reported cavities in two-dimensional chalcogenide glass PhC.

CollectionsANU Research Publications
Date published: 2009-12-01
Type: Journal article
URI: http://hdl.handle.net/1885/100892
Source: Optics letters
DOI: 10.1364/OL.34.003671

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