Simple Broadband Bismuth Doped Fiber Amplifier (BDFA) to Extend O-band Transmission Reach and Capacity

• DOI: 10.1364/ofc.2019.m1j.4
• Publication Date: 2019-02-25T10:49:23Z
• Authors: V. Mikhailov; M.A. Melkumov; D. Inniss; A.M. Khegai; K.E. Riumkin; S.V. Firstov; F. V. Afanasiev; M.F. Yan; Y. Sun; J. Luo; G.S. Puc; S.D. Shenk; R.S. Windeler; P.S. Westbrook; R.L. Lingle; E.M. Dianov; D.J. DiGiovanni
• Keywords: 0202 electrical engineering, electronic engineering, information engineering; 02 engineering and technology

We developed a simple silica-based BDFA with 80nm 6-dB gain-bandwidth flexibly centred within 1305–1325nm, and parameters comparable to EDFAs. The amplifier can extend 400GBASE-LR8 transmission (8×26.6 Gbaud/s PAM-4 channels) beyond 50 km of G.652 fiber.