World record in free-space optical communications – Satellite News Digest
Researchers at the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) have set a new record in data transmission using laser: 1.72 terabits per second across a distance of 10.45 kilometres, which is equivalent to the transmission of 45 DVDs per second. http://www.sat-nd.com/archive/?id=2016110307