Title :
46.5 dB gain in Er3+-doped fibre amplifier pumped by 1.48 mu m GaInAsP laser diodes
Author :
Kimura, Y. ; Suzuki, K. ; Nakazawa, M.
Author_Institution :
NTT Transmission Syst. Labs., Opt. Commun. Lab., Ibaraki, Japan
Abstract :
An optical gain as high as 46.5 dB was obtained in an Er3+-doped fibre amplifier with pump power of 133 mW by a combination of broadband laser diodes at 1.48 mu m. A gain coefficient of 0.76 dB/mW for the pump and a maximum output power of +15.1 dBm (32.4 mW) have also been achieved.
Keywords :
erbium; laser transitions; optical communication equipment; optical fibres; optical pumping; solid lasers; 1.48 micron; 133 mW; 32.4 mW; 46.5 dB; Er 3+-doped fibre amplifier; GaInAsP; SiO 2-GeO 2:Er 3+; broadband laser diodes; optical gain; semiconductor laser pump;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19891110
