Diffractive optical networks use object shifts for performance boost

https://techxplore.com/news/2023-02-diffractive-optical-networks-shifts-boost.html

"time-lapse scheme improves image classification accuracy of diffractive optical networks on complex input objects... >62% blind testing accuracy on all-optical classification of CIFAR-10 images... standalone diffractive network outperforms ensemble of >15 networks significantly reducing footprint of diffractive system while eliminating complexities of physical alignment and synchronization of several individual networks... compact, low-cost all-optical spatiotemporal information processing using passive materials"