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), 1002-1004. (doi:10.1364/OL.14.001002).
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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.
|Subjects:||T Technology > TK Electrical engineering. Electronics Nuclear engineering
Q Science > QC Physics
|Divisions:||University Structure - Pre August 2011 > Optoelectronics Research Centre
|Date Deposited:||11 Mar 2010|
|Last Modified:||02 Mar 2012 11:23|
|RDF:||RDF+N-Triples, RDF+N3, RDF+XML, Browse.|
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