Title :
Gain spectrum control method for gain-shifted TDFA employing single wavelength pumping
Author :
Aozasa, S. ; Shimizu, M. ; Masuda, H.
Author_Institution :
Fiber Amplifiers Res. Group, Nippon Telegraph & Telephone Corp., Kanagawa, Japan
fDate :
10/24/2002 12:00:00 AM
Abstract :
A novel gain spectrum control method is proposed for a bidirectional pumped gain-shifted thulium-doped fibre amplifier (GS-TDFA) with single wavelength pumping. As a result, we achieved a gain excursion of ±0.3 dB for a total input signal power of -7 to -30 dBm.
Keywords :
gain control; optical fibre amplifiers; optical pumping; thulium; bidirectional single wavelength pumping; gain spectrum control; gain-shifted thulium-doped fibre amplifier;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:20020902
