Title :
Lossless transmission over 10 km of low-dispersion erbium doped fibre using only 15 mW pump power
Author :
Davey, S.T. ; Williams, D.L. ; Spirit, D.M. ; Ainslie, B.J.
Author_Institution :
British Telecom Res. Labs., Ipswich, UK
fDate :
7/19/1990 12:00:00 AM
Abstract :
A depressed-cladding, highly-germania-doped, distributed erbium-doped silica fibre amplifier has been fabricated exhibiting high gain and low dispersion. A gain of 27 dB over 10 km was achieved at 1.554 mu m. The fibre could be made transparent at this wavelength with only 15 mW pump power at 1.485 mu m. This is the lowest power requirement reported for lossless transmission.
Keywords :
erbium; germanium compounds; optical communication; optical fibres; silicon compounds; solid lasers; 1.485 micron; 1.554 micron; 10 km; 15 mW; 27 dB; SiO 2:GeO 2, Er; depressed cladding fibre; distributed fibre amplifiers; doped fibre; high gain; low dispersion; power requirement; pump power; silica fibre amplifier;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19900743
