Holographic UV lithography prints 4M optical neurons on a mm-scale chip in 15 minutes for energy-efficient optical AI processing hardware

https://www.eurekalert.org/news-releases/1141719

"electronic hardware's energy/ latency constraints overcome with multi-focus 2-photon lithography printing 500-nm optical neurons utilizing task-agnostic optical encoder performing random projections through 3D-printed diffractive layer... paired with compact camera/ digital readout layer using as few as 1K weights... 97% to 99% accuracy with tasks like face keypoint detection, action recognition, figure identification... redesign not needed for new applications... LiDAR, biomedical, edge computing"