200 modal carriers received through 1km multi-mode fibre

Pre-distorted modal-modulation has been used to carry over 200 channels through a 1km multi-mode fibre in the face of modal and polarisation cross-talk. In the demonstration, by the US University of Rochester, the fibre was constantly measured by a probe beam passing down the fibre in the opposite direction to the would-be data-carrying beam. At the ...
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