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High quantum efficiency Er3+-fibre lasers pumped at 980nm

Barnes, W.L., Morkel, P.R., Reekie, L. and Payne, D.N. (1989) High quantum efficiency Er3+-fibre lasers pumped at 980nm Optics Letters, 14, (18), pp. 1002-1004. (doi:10.1364/OL.14.001002).

Record type: Article


Significant improvements in the operation of Er3+ doped silica fibre lasers operating at wavelengths between 1.5-1.6 µm are reported. The use of 980nm as the pump wavelength provides output that is limited mainly by the quantum efficiency of the lasing process. It is thus considerably more efficient than previous results using ~810nm pumping where excited state absorption degrades the lasing performance. Operation at three discrete output wavelengths is observed and is accounted for by studying gain across the lasing bandwidth.

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Published date: 1989


Local EPrints ID: 78442
ISSN: 0146-9592
PURE UUID: f1c86619-72da-4d26-a475-b5fbe435556a

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Date deposited: 11 Mar 2010
Last modified: 18 Jul 2017 23:24

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Author: W.L. Barnes
Author: P.R. Morkel
Author: L. Reekie
Author: D.N. Payne

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