Fabrication of low loss dispersion engineered chalcogenide photonic crystals
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We demonstrate low loss photonic crystal waveguides in chalcogenide (Ge33As12Se55) glasses. The measured losses are as low as 21dB/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 n(g) = 40 in this relatively low refractive index contrast system. (C) 2011 Optical Society of America
Spurny , M , O'Faolain , L , Bulla , D A P , Luther-Davies , B & Krauss , T F 2011 , ' Fabrication of low loss dispersion engineered chalcogenide photonic crystals ' Optics Express , vol 19 , no. 3 , pp. 1991-1996 . DOI: 10.1364/OE.19.001991
© 2011 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint with the permission of OSA. The paper can be found at http://www.opticsinfobase.org
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