We report gain measurements in Tm3+/Yb3+-codoped tellurite glass fibers in the 1460-1530-nm region using a conventional 980-nm pumping scheme. The gain spectrum is dependent on the geometry of the fiber and the length owing to the superfluorescence upconversion pump scheme.
© 2005 Optical Society of America
(060.2320) Fiber optics and optical communications : Fiber optics amplifiers and oscillators
Shaoxiong Shen, Animesh Jha, Lihui Huang, and Purushottam Joshi, "980-nm diode-pumped Tm3+/Yb3+-codoped tellurite fiber for S-band amplification," Opt. Lett. 30, 1437-1439 (2005)