We demonstrate a broadband near-100%-efficiency ultrathin metasurface operating at
microwave and millimeter-wave frequencies. We develop and employ two orthogonally …

Extreme impedance mismatch causes sound insulation at water–air interfaces, limiting
numerous cross‐media applications such as ocean‐air wireless acoustic communication …

Metasurface holography has aroused immense interest in producing holographic images
with high quality, higher-order diffraction-free, and large viewing angles by using a planar …

Transmissive and reflective metasurfaces have been extensively studied for generating an
orbital angular momentum (OAM)-carrying beam. However, the existing OAM generators …

Water, the source of life, is a more abundant, low‐cost, and environment‐friendly candidate
material for tunable meta‐devices compared to conventional approaches in the microwave …

Programmable metamaterials and metasurfaces have gained great interest due to real‐time
electromagnetic control and digital information processing capabilities. Different from …

Reprogrammable metasurfaces, which establish a fascinating bridge between physical and
information domains, can dynamically control electromagnetic (EM) waves in real time and …

Metasurface holographic encryption, as an emerging and highly promising technique,
presents the advantages of multi‐dimension and high security and consequently provides a …

Reconfigurable metasurfaces have attracted a deal of attention owing to their multifunctional
and dynamic electromagnetic (EM) manipulation properties. However, most of the previous …

Metasurfaces have shown unparalleled controllability of electromagnetic (EM) waves.
However, most of the metasurfaces need external spatial feeding sources, which renders …