Title :
38.2 dB amplification at 1.31 mu m and possibility of 0.98 mu m pumping in Pr3+-doped fluoride fibre
Author :
Miyajima, Y. ; Sugawa, T. ; Fukasaku, Y.
Author_Institution :
NTT Opt. Transmission Line Lab., Ibaraki-ken, Japan
Abstract :
A 38.2 dB gain at 1.31 mu m was obtained in a praseodymium-doped fluoride fibre amplifier for a pump power of 300 mW at 1.017 mu m. A pump efficiency of 0.21 dB/mW was observed and the possibility of 0.98 mu m pumping is indicated.
Keywords :
aluminium compounds; barium compounds; fibre lasers; fluoride glasses; lanthanum compounds; laser transitions; optical pumping; praseodymium; sodium compounds; zirconium compounds; 0.98 micron; 1.017 micron; 1.31 micron; 300 mW; 38.2 dB; ZrF 4-BaF 2-LaF 3-AlF 3-NaF:Pr 3+; fibre amplifier; pump efficiency; pump power;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19911062
