Title :
Low-threshold CW operation of an erbium-doped fibre laser pumped at 807 nm wavelength
Author :
Millar, C.A. ; Miller, I.D. ; Ainslie, B.J. ; Craig, S.P. ; Armitage, J.R.
Author_Institution :
British Telecom Research Laboratories, Ipswich, UK
Abstract :
We report an erbium-doped fibre laser operating CW at a wavelength of 1555nm pumped at a wavelength of 807 nm, with a threshold launched pump power of 2.5 mW. This level corresponds to only 1 mW of pump power absorbed.
Keywords :
erbium; germanium compounds; laser transitions; optical fibres; optical pumping; silicon compounds; solid lasers; 1555 nm; 2.5 mW; 807 nm; CW; Er: GeO2-SiO2; pump power absorbed; threshold launched pump power;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19870611
