We propose what is to our knowledge the first use of a Pr3+-doped fluoride fiber amplifier as a practical amplifier operating at the 1.3-µm band, based on a demonstration of signal amplification and a spectroscopic investigation. The feasibility of the fluoride fiber amplifier is confirmed.
© 1991 Optical Society of America
Yasutake Ohishi, Terutoshi Kanamori, Takeshi Kitagawa, Shiro Takahashi, Elias Snitzer, and George H. Sigel, Jr., "Pr3+-doped fluoride fiber amplifier operating at 1.31 µm," Opt. Lett. 16, 1747-1749 (1991)