‘Twisted wave’ trick works with light
Back in March, a group of Italian and Swedish radio researchers demonstrated that a characteristic of radio waves called orbital angular momentum (OAM) can be used as a multiplexing technique, vastly increasing the theoretical capacity of wireless transmissions.…
via The Register - Networks
http://go.theregister.com/feed/www.theregister.co.uk/2012/06/25/twisted_wave_works_with_light/
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