People Innovation Excellence

Laser Li-Fi Could Blast 100 Gigabits per Second

By Neil Savage

Struggling with spotty Wi-Fi? Li-Fi might be the answer. The technology uses LED-based room lighting instead of radio waves to transmit data. But one of the leading Li-Fi proponents is already looking beyond LEDs to laser-based lighting, which he says could bring a tenfold increase in data rates.

“The problem is that LEDs, although they are more energy efficient than incandescent light, they still can be improved in terms of their light output,” says Harald Haas, chair of mobile communications at the University of Edinburgh and a member of the Ultra-Parallel Visible Light Communications Project. “We strongly believe the next wave of energy efficient lighting will be based on laser diodes.”   …[Read more]


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