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
Original Manuscript: July 12, 1991
Published: November 15, 1991
Yasutake Ohishi, Elias Snitzer, George H. Sigel, Terutoshi Kanamori, Takeshi Kitagawa, and Shiro Takahashi, "Pr3+-doped fluoride fiber amplifier operating at 1.31 μm," Opt. Lett. 16, 1747-1749 (1991)