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Chalcogenide optical waveguides with extremely high stimulated brillouin scattering gain for integrated devices

Vu, Khu; Choi, Duk-Yong; Ma, Pan; Morrison, Blair; Stiller, Birgit; Choudhary, Amol; Eggleton, Benjamin J; Madden, Steve


This paper reports on the fabrication details and performance of chalcogenide waveguides consisted of a ridge geometry 2.2-2.6μm wide on a silica substrate with different film thickness (550-950nm) and etching depth (30-50%). A silica cladding layer was also used to improve acoustic confinement compared to previous designs using polymer claddings. Spiral waveguides formed on a 2cm wide chip, with up to 24cm long spirals used in the experiments. The propagation loss of these waveguides were...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Conference paper
Source: Optics InfoBase Conference Papers
DOI: 10.1109/CLEOE-EQEC.2017.8086604


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