Bismuth-doped-glass optical fibers - A new active medium for lasers and amplifiers

V. V. Dvoyrin^*, V. M. Mashinsky, L. I. Bulatov, I. A. Bufetov, A. V. Shubin, M. A. Melkumov, E. F. Kustov, E. M. Dianov, A. A. Umnikov, V. F. Khopin, M. V. Yashkov, A. N. Guryanov