Since the concepts of digital coding metasurface and programmable metasurface were put forward in 2014, the physical world of electromagnetics has been closely connected to the digital world of ...

Imagine that you had to send different letters to multiple friends, but all at the same time. Sending every letter individually, obviously, would end up taking a lot of effort and time. So, instead… ...

Multiplexing is a technique for carrying multiple channels of information within a common signal. Although usually thought of as a digital process, the method was actually pioneered many years ago as ...

To avoid a 'capacity crunch', future optical networks will need to simultaneously transmit multiple spatial channels. For spatial multiplexing to be practical, the upgrade path from legacy ...