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Intense Photoluminescence from Er Doped Chalcogenide Thin Films Fabricated by Cothermal Evaporation

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Abstract

Erbium doped chalcogenide films were fabricated by cothermal evaporation and demonstrated propagation losses and lifetimes suitable for waveguide amplifiers. The 1490nm pumped Photoluminescence yield is up to ~10× higher than the prior best film material, Er:TeO2.

© 2014 Optical Society of America

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