Programming light propagation creates highly efficient neural networks

https://techxplore.com/news/2024-01-propagation-highly-efficient-neural-networks

"precise control ultrashort pulses within multimode fibers using few digitally programmable parameters achieves same performance on image classification as fully digital systems >100X more programmable parameters averaging only μW average optical power... wavefront shaping enables nonlinear optical computations...select specific set model weights from weight bank that optics provides and employ it for aimed computing task... programming high-dimensional, nonlinear machine learning, AI"