Title :
Efficient up-conversion pumping at 800 nm of an erbium-doped fluoride fibre laser operating at 850 nm
Author :
Miller, Crystal A. ; Brierley, M.C. ; Hunt, M.H. ; Carter, Stephen F.
Author_Institution :
British Telecom Res. Labs., Ipswich, UK
Abstract :
An erbium-doped fluorozirconate fibre laser has been constructed which uses up-conversion pumping at 801 nm to excite a higher-level laser transition at 850 nm. A slope efficiency of 38% was measured.
Keywords :
erbium; fibre lasers; laser transitions; optical frequency conversion; optical pumping; 38 percent; 800 nm; 850 nm; ZBLAN glass fibres; ZrF 4-BaF 2-LaF 3-AlF 3-NaF:Er; erbium-doped fluoride fibre laser; higher-level laser transition; slope efficiency; up-conversion pumping;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19901203
