T. Yamashita

Diode laser pumped Er/sup 3+/ fibre laser operation between 2.7-2.8 mu m

H. Toratani, Isao Masuda, H. Yanagita, 1990 .

Oxide impurity absorptions in Ge-Se-Te glass fibres

J. Nishii, T. Yamashita, T. Yamagishi, 1989 .