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Twisted infrared light beams have propelled wireless data transmission to a dazzling 2.56 terabits per second via a system developed by a multinational team of researchers led by the Optical Communications Laboratory at the University of Southern California.

The process, called "orbital angular momentum" (OAM) multiplexing, essentially twists beams of light so that they can carry more data, more quickly than ever before.

Broadband cable supports the transmission of around 30 megabits per second; this system transmits more than 85,000 times that amount.


Twisted light beams are particularly powerful because they can encode tremendous amounts of data, and twisting them in various ways and directions only increases that data capacity. It far exceeds anything possible with radio frequencies such as those currently used for WiFi and cellular communications.

"With optics, you can encode more data than you can with radio waves.