The terahertz (THz) band of the electromagnetic spectrum holds immense promise for next-generation technologies, including high-speed wireless communication, advanced encryption, and medical imaging.

A tunable metasurface can control optical light in space and time, offering a path toward new ways of wirelessly and securely transmitting large amounts of data both on Earth and in space. It is a ...

Using quantum effects in a 2D material, researchers created a tunable metasurface that toggles between reflecting and ...

(Nanowerk News) Dielectric metasurfaces represent one of the cutting-edge research and application directions in the current optical field. They not only possess the advantage of low loss but also ...

The metasurface is divided into three spaces: the coding space, the current space, and the wave space. The three spaces are composed of the digital control signals and the tunable devices, the ...