A new material platform has enabled scientists to create photon pairs whose entanglement can be tuned from a layer thinner than a human hair. The photon pairs are created by a metasurface made of ...

It is a scene many of us are familiar with: You're working on your laptop at the local coffee shop with maybe a half dozen other laptop users—each of you is trying to load websites or stream ...

Fig. 1 Schematic of the hybrid optical meta-freeform system for real-time multi-focal planes AR display. (a) The novel AR system integrates a display screen, a multiplexing metasurface, and a freeform ...