Abstract
We show that erbium ions placed in an annulus within the fiber core make 980-nm-pumped amplifiers insensitive to variations in pump power distribution among the spatial modes of the fiber and make 1480-nm-pumped amplifiers insensitive to variations in fiber parameters.
© 1993 Optical Society of America
Full Article | PDF ArticleMore Like This
C. Matte-Breton, H. Chen, N. K. Fontaine, R. Ryf, R.-J. Essiambre, C. Kelly, C. Jin, Y. Messaddeq, and Sophie LaRochelle
Opt. Express 26(20) 26633-26645 (2018)
Ashish M. Vengsarkar, David J. DiGiovanni, W. A. Reed, K. W. Quoi, and K. L. Walker
Opt. Lett. 17(18) 1277-1279 (1992)
Senfar Wen
Opt. Lett. 19(1) 22-24 (1994)