New optical computing approach offers ultrafast processing

https://techxplore.com/news/2022-12-optical-approach-ultrafast.html

"million times faster... circularly polarized light input signal... logic gates crystalline materials sensitive to handedness of circularly polarized light beam...serves as basic building block for one type logic gate (XNOR), and remaining types built by adding filters or other optical components... a single device contain all chirality logic gates operating simultaneously in parallel... chirality logic gate could be controlled and configured electronically, a necessary step for hybrid electrical/optical computing"