
The Photonic Chip That Can Relearn Its Job Without Being Rebuilt
A programmable lithium-niobate chip learns new ways to route light after fabrication, but speed, power use, and scale remain challenges.

A programmable lithium-niobate chip learns new ways to route light after fabrication, but speed, power use, and scale remain challenges.

A real optical experiment found a way for scattered light to generate pairwise features resembling a core comparison in AI attention.