Title :
Noise figure improvement of optical gain clamped fibre amplifier by mid-point band reject filter for lasing light
Author :
Kobayashi, Masato
Author_Institution :
Optoelectron. Syst. Lab., Hitachi Cable Ltd., Ibaraki
fDate :
3/18/1999 12:00:00 AM
Abstract :
A new configuration for improving the noise performance of an optical gain clamped erbium-doped fibre amplifier is proposed. The effect is also demonstrated by experimentally comparing the noise figure of the proposed configuration to that of the previously proposed configuration
Keywords :
band-stop filters; erbium; laser feedback; laser noise; optical circulators; optical communication equipment; optical fibre amplifiers; optical fibre filters; EDFA; Er-doped fibre amplifier; mid-point band reject filter; noise figure improvement; optical gain clamped fibre amplifier;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19990312
