AI-designed unidirectional imagers

https://techxplore.com/news/2023-05-ai-designed-unidirectional-imagers.html

"smaller than light... series of transmissive optical layers through the spatial engineering of materials using deep learning... independent of light polarization and works under any light oscillation orientation... function like switchboard... any part of electromagnetic spectrum using different transmissive materials or substrates... few tens of wavelengths thickness... security, defense and telecommunications"