Optical computing

05 May 23

Photonic Chips Curb AI Training’s Energy Appetite

Computer & Information Technology

Processors that use light instead of electricity show promise as a faster and more energy-efficient way to implement AI. So far they’ve only been used to run models that have already been trained, but new research has demonstrated the ability to train AI on an optical chip for the first…

22 Mar 23

This Mirror Reverses How Light Travels in Time

Computer & Information Technology

Light can reflect off mirrors, and sounds off surfaces. However, scientists have long theorized about time reflections, where a signal passing through a time “interface” would act like it was traveling backward in time. Now a new study for the first time demonstrates time reflections with light waves. This discovery…

11 Mar 23

Optical Algorithm Simplifies Analog AI Training

Computer & Information Technology

Researchers have developed a range of analog and other unconventional machine learning systems in the expectation that they will prove vastly more energy efficient than today’s computers. But training these AIs to do their tasks has been a big stumbling block. Researchers at NTT Device Technology Labs and the University…

Photonic Chips Curb AI Training’s Energy Appetite

This Mirror Reverses How Light Travels in Time

Optical Algorithm Simplifies Analog AI Training

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