Terahertz (THz) science and technology have attracted significant attention based on their
unique applications in non-destructive imaging, communications, spectroscopic detection …

Relative to conventional phase‐modulation optical elements, metasurfaces (ie, 2D versions
of metamaterials) have shown novel optical phenomena and promising functionalities with …

The recently proposed digital coding metasurfaces make it possible to control
electromagnetic (EM) waves in real time, and allow the implementation of many different …

Metasurfaces have become a promising means for manipulating optical wavefronts in flat
and high-performance optical devices. Conventional metasurface device design relies on …

Metalenses, planar lenses realized by placing subwavelength nanostructures that locally
impart lenslike phase shifts to the incident light, are promising as a replacement for refractive …

Simultaneously independent control of phase, amplitude, and polarization is pivotal yet
challenging for manipulating electromagnetic waves by transmissive metasurfaces …

Chromatic aberration is a major challenge faced by metalenses. Current methods to achieve
broadband achromatic operation in metalenses usually suffer from limited size, numerical …

Metasurfaces have enabled precise electromagnetic (EM) wave manipulation with strong
potential to obtain unprecedented functionalities and multifunctional behavior in flat optical …

It is essential to independently control the amplitude, phase, and polarization of
electromagnetic waves, and there is an urgent need to integrate multiple functions …

Optical metasurfaces are two-dimensional arrays of meta-atoms that modify different
characteristics of light such as phase, amplitude, and polarization. One intriguing feature that …