Samson, B.N., Schweizer, T., Hewak, D.W. and Laming, R.I.
Properties of dysprosium doped GaLaS fibre amplifiers operating at 1.3µm
Optics Letters, 22, (10), . (PMID:10.1364/OL.22.000703).
In light of the recent progress on the fabrication of GaLaS fibres we have modelled the performance of dysprosium doped GaLaS fibre amplifiers operating at 1.3µm. Based on experimental data, we find the incorporation of a co-dopant (terbium) in the fibre core significantly shortens the optimum amplifier length from >30m to ~3m. Such a device may be practical given the fibre losses currently achieved in GaLaS fibres.
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