Title :
1.9 mu m Tm-doped fluoride fibre amplifier and laser pumped at 1.58 mu m
Author :
Yamamoto, Takayuki ; Miyajima, Y. ; Komukai, Tetsuro ; Sugawa, Tomoki
Author_Institution :
NTT Opt. Transmission Cable Syst. Lab., Ibaraki, Japan
fDate :
5/27/1993 12:00:00 AM
Abstract :
A 1.9 mu m Tm-doped fluoride fibre amplifier using a 1.58 mu m pump source is presented. A gain of 18 dB was obtained at a pump power of 62 mW. An efficient 1.9 mu m Tm-doped fluoride fibre laser with a 1.58 mu m pump source is also presented. A slope efficiency of 70% was obtained.
Keywords :
fibre lasers; optical pumping; thulium; 1.58 micron; 1.9 micron; 18 dB; 62 mW; Tm-doped fluoride fibre amplifier; fibre laser; pump power; pump source; slope efficiency;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19930656
