Logic with light: Introducing diffraction casting, optical-based parallel computing

https://phys.org/news/2024-10-logic-diffraction-optical-based-parallel.html

"based light's properties, resulting in more spatially/ power -efficient, functionally flexible, cooler, massively parallel, high-speed optics... 16 X 16 pixel black-and-white source image combined with series of images representing stages in logic operations, layers placed on top which obscure, manipulate or transmit something from layer beneath... light passed through casting output top layer on sensor, becoming digital storage or presentation... so far: 16 basic logic operations, future:  quantum computing"