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Integrated shadow mask for sampled Bragg gratings in chalcogenide (As2S3) planar waveguides

Choi, Duk-Yong; Madden, Steve; Rode, Andrei V; Wang, Rongping; Luther-Davies, Barry; Baker, Neil J; Eggleton, Benjamin J


We have developed a new approach for producing high performance sampled Bragg gratings in planar waveguides as a platform for WDM on-chip signal processing in a compact integrated device. Using this method we have successfully integrated a shadow mask directly onto a chalcogenide (As2S3) waveguide using standard semiconductor processing, eliminating misalignment errors between the mask and waveguide that otherwise occur. Through this integrated mask we demonstrate a very low duty cycle...[Show more]

CollectionsANU Research Publications
Date published: 2008-06-07
Type: Journal article
Source: Optics Express
DOI: 10.1364/OE.15.007708


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