That was over 1km utilising 7 cores. Typical fibre plants use one core per direction (transmit / receive). This is over 75km utilising a single core per direct

That was over 1km utilising 7 cores. Typical fibre plants use one core per direction (transmit / receive). This is over 75km utilising a single core per direction. IE this is actually something that has potential to be deployed in the world without having to replace all the existing fibre plants that already exist (eg undersea cables)