Madeiros-Neto, J.A., Taylor, E.R., Wang, J., Samson, B.N., Hewak, D.W., Laming, R.I., Payne, D.N., Tarbox, E.J., Maton, P.D., Roba, G.M., Kinsman, B.E. and Hanney, R.
The application of Ga:La:S-based glass for optical amplification at 1.3µm
Journal of Non-Crystalline Solids, 184, . (doi:10.1016/0022-3093(94)00627-X).
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The optical properties of praseodymium-doped low-phonon-energy glasses have recently attracted considerable attention for their potential application as a 1.3 µm Pr3+-doped optical fibre amplifier. Sulphide glasses based on Ga2S3 and La2S3 are amongst the lowest-phonon-energy glasses which are suitable for this application, with quantum efficiencies exceeding 50% currently measured on bulk samples in the laboratory. The purpose of this paper is to describe the thermal, optical and spectroscopic properties of Pr3+-doped sulphide-based glasses, present the results of amplifier modelling using the measured cross-sections, and report the progress to date in achievement of a Pr3+-doped sulphide-based fibre
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