Title :
High-gain broad spectral bandwidth erbium-doped fibre amplifier pumped near 1.5 mu m
Author :
Atkins, C.G. ; Armitage, J.R. ; Wyatt, R. ; Ainslie, B.J. ; Craig-Ryan, S.P.
Author_Institution :
British Telecom Res. Lab., Martlesham Heath, Ipswich, UK
fDate :
7/6/1989 12:00:00 AM
Abstract :
A small-signal gain exceeding 25 dB, and a 3 dB spectral bandwidth of 35 nm around 1.545 mu m are obtained for an erbium-doped silica fibre amplifier pumped in the short wavelength wing of the 1.5 mu m absorption band.
Keywords :
erbium; fibre optics; optical communication equipment; optical pumping; silicon compounds; solid lasers; 1.545 micron; 25 dB; SiO 2:Er 3+; broad spectral bandwidth; fibre amplifier; three-level laser system; travelling wave fibre amplifier;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19890610
