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Thermal annealing of arsenic tri-sulphide thin film and its influence on device performance

Choi, Duk-Yong; Madden, Steve; Bulla, Douglas; Wang, Rongping; Rode, Andrei; Luther-Davies, Barry


Arsenic tri-sulphide (As₂S₃)thin filmwaveguides have been used successfully as nonlinear optical devices for all-optical signal processors. For such devices, low propagation loss is vital if high performance is to be obtained. In this study, thermal annealing was employed not only to stabilize the physical properties of the films, but also to reduce the sources of light attenuation in the as-deposited material. Here we investigated heat-induced changes to the microstructure and optical...[Show more]

CollectionsANU Research Publications
Date published: 2010-03-04
Type: Journal article
Source: Journal of Applied Physics
DOI: 10.1063/1.3310803


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