Evolving from metamaterials, optical metasurfaces not only inherit their unprecedented
flexibility in tailoring light–matter interaction but also the generally fixed response …

Free-space transmission of terahertz (THz) waves opens great opportunities for wireless
applications including sensing and communication in the 6G era and beyond. Owing to their …

Direct phase modulation is one of the most urgent and difficult issues in the terahertz
research area. Here, we propose a new method employing a two-dimensional electron gas …

Terahertz (THz) radiation has received much attention during the past few decades for its
potential applications in various fields, such as spectroscopy, imaging, and wireless …

We demonstrate the extensive improvement of the effective refractive index of designed
metamaterials through the coupling effect of double layers in terahertz region. It is interesting …

In the past ten years, terahertz technology has developed rapidly in wireless
communications, spectroscopy, and imaging. Various functional devices have been …

Phase‐change phenomena have been an attractive research theme for decades due to the
dynamic transition of material properties providing extraordinary capabilities for versatile …

Active terahertz (THz) beam manipulation is urgently needed for applications in wireless
communication, radar detection, and remote sensing. In this work, we demonstrate a liquid …

Active terahertz elements with multifunction are highly expected in security screening,
nondestructive evaluation, and wireless communications. Here, we propose an innovative …

A single metasurface is demonstrated with powerful manipulating capability to arbitrarily and
independently tune the phase profiles of orthogonal polarization states using …