Wednesday, January 22, 2025

Photonic processor could enable ultrafast AI computations

With extreme energy efficiency.

Scientists from MIT and other institutions have developed a new photonic chip designed to overcome the limitations of traditional hardware in deep neural network processing. This fully integrated photonic processor performs all essential computations for a deep neural network optically on the chip. In a demonstration, the optical device completed the computations for a machine-learning classification task in less than half a nanosecond, achieving over 92% accuracy—comparable to conventional hardware performance.

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Illustration of the atomic arrangement within a single lanthanide-doped nanocrystal. Each lanthanide ion can emit light

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A tour de force.