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Fabrication of low loss dispersion engineered chalcogenide photonic crystals

Spurny, Marcel; O'Faolain, Liam; Bulla, Douglas; Luther-Davies, Barry; Krauss, Thomas F


We demonstrate low loss photonic crystal waveguides in chalcogenide (Ge(33)As(12)Se(55)) glasses. The measured losses are as low as 21 dB/cm. We experimentally determine the refractive index of the thin film chalcogenide glass to be n = 2.6 and demonstrate that dispersion engineering can be performed up to a group index of ng = 40 in this relatively low refractive index contrast system.

CollectionsANU Research Publications
Date published: 2011-01-31
Type: Journal article
Source: Optics express
DOI: 10.1364/OE.19.001991


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