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In the history of optical communication development, the emergence of erbium-doped fiber amplifier (EDFA) is a significant milestone. With the future human society progress, the network traffic will continue to grow at a rapid speed, which will place more and more demands on the bandwidth of communication networks. To enable the continuous bandwidth growth, Erbium-doped fiber will continue to play an important role in optical communications. Brightcore provides erbium-doped fibers with excellent performance and high consistency, which can be used in C-band and L-band dense wavelength division multiplexing systems, function as pre-amplifiers, relay amplifiers or post amplifiers. The double-clad erbium-ytterbium co-doped fiber has excellent performances such as high conversion efficiency, high gain and high power output, and can be applied to CATV networks.

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