2 ms·
How do they power the repeaters? I thought the cable itself was just fiber optic, thus no electricity transmission
by dotBen 15y ago
How do they power the repeaters? I thought the cable itself was just fiber optic, thus no electricity transmission
- cullenking 15y agoThey talk about it in the PDF. Apparently they use a 1400nm laser along the same fiber that excites some receptor, which provides the power for the amplification.