Repeaterless Transmission With 62.9 dB Power Budget Using A Highly Efficient Erbium-Doped Fiber Amplifier Module
J. Auge, B. Clesca, B. Biotteau, P. Bousselet, A. Dursin, C. Clergeaud, P. Kretzmeyer, V. Lemaire, O. Gautheron, G. Grandpierre, E. Leclerc, and P. Gabla
TuC3 Optical Amplifiers and Their Applications (OAA) 1990 View: PDF