300 km ultralong fiber optic DAS system based on optimally designed bidirectional EDFA relays

Cunzheng Fan; Hao Li; Keqing Zhang; Huanhuan Liu; Yixiang Sun; Haoguang Liu; Baoqiang Yan; Zhijun Yan; Deming Liu; Perry Ping Shum; Qizhen Sun

doi:10.1364/PRJ.485701

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