| 简介 |
An optical amplification repeater includes a first rare-earth-doped optical amplification medium which amplifies a first signal light to be transmitted to a downstream, a second rare-earth-doped optical amplification medium which amplifies a second signal light to be transmitted to an upstream, and a pump light split and guide unit configured to split a pump light transmitted together with any of the first and second signal lights and to guide the split pump light to each of the first and second rare-earth-doped optical amplification mediums. |
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