Title :
15.1-dB-gain Pr/sup 3+/-doped fluoride fiber amplifier pumped by high-power laser-diode modules
Author :
Yamada, Makoto ; Shimizu, Makoto ; Ohishi, Yasutake ; Temmyo, Jiro ; Wada, Masato ; Kanamori, Terutoshi ; Horiguchi, Masaharu ; Takahashi, Shiro
Author_Institution :
NTT Opto-electron. Lab., Ibaraki, Japan
Abstract :
A Pr/sup 3+/-doped fluoride amplifier pumped by high-power 1.017- mu m laser diode modules is demonstrated. Fiber-pigtail-type devices are used. A net gain of 15.1 dB is achieved for a 1.31- mu m signal at a pump power of 160 mW.<>
Keywords :
fibre lasers; optical pumping; praseodymium; 1.31 micron; 15.1 dB; 160 mW; IR; Pr/sup 3+/-doped fluoride fiber amplifier; fibre-pigtail type devices; high-power laser-diode modules; laser pumping; net gain; pump power; Fiber lasers; Glass; High power amplifiers; Laser excitation; Optical fiber couplers; Optical fiber devices; Optical fiber polarization; Optical fiber testing; Preforms; Pump lasers;
Journal_Title :
Photonics Technology Letters, IEEE
