Novel Shadow Mask Structure for Sampled Bragg Gratings in Chalcogenide (As2S3) Planar Waveguides

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

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Novel Shadow Mask Structure for Sampled Bragg Gratings in Chalcogenide (As2S3) Planar Waveguides

Date

2007

Authors

Madden, Steve

Rode, Andrei V

Wang, Rongping

Luther-Davies, Barry

Baker, Neil J

Eggleton, Benjamin J

Choi, Duk-Yong

Publisher

Optical Society of America

Abstract

We report a new shadow mask structure for writing sampled Bragg gratings into chalcogenide (As2S3) planar waveguides. This allows long gratings to be written without tilt to produce a grating response with narrow rejection peaks.