Twisted light waves sent across Vienna

A group of researchers from Austria have sent twisted beams of light across the rooftops of Vienna. It is the first time that twisted light has been transmitted over a large distance outdoors, and could enable researchers to take advantage of the significant data-carrying capacity of light in both classical and quantum communications.

Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/y...