Single-mode optical rib waveguides operating at telecommunication wavelengths are successfully patterned via a hot embossing technique in a thermally evaporated chalcogenide glass thin film on a chalcogenide glass substrate. Ellipsometry is used to measure the refractive index dispersion of the pressed film $\left({\mathrm{As}}_{40}{\mathrm{Se}}_{60}\right)$ and substrate $\left({\mathrm{Ge}}_{17}{\mathrm{As}}_{18}{\mathrm{Se}}_{65}\right)$ .

© 2009 Optical Society of America

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