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Nanoscale LEDs make optical data transfers 2,000 times more efficient

Researchers from Stanford University have taken a big step forward in the development of light-based communications in computer chips. Laser optical interconnect systems already exist, but their new nanoscale LED setup improves the energy efficiency 2,000 times, sipping just 0.25 femto-joules per bit sent as compared to a laser's 500 femto-joules. In spite of this low power consumption, chips using the LEDs will reportedly be capable of transfer speeds of 10Gbps.

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