Quantum key distribution (QKD) uses quantum mechanics to ensure secure communication between two parties. Despite being one ...

To foster in a new generation of high-speed communication, the main challenge is with the steps to transform electronic signals into optical signals rapidly. One company has recently made significant ...

A silicon-lithium niobate metasurface controls light through air at gigahertz speeds, advancing compact systems for optical communication and signal routing. (Nanowerk Spotlight) Optical systems that ...