Light detection and ranging (LiDAR) sensors enable precision sensing of an object in 3D.
LiDAR technology is widely used in metrology, environment monitoring, archaeology, and …

Integrated photonics based on silicon has drawn a lot of interests, since it is able to provide
compact solution for functional devices, and its fabrication process is compatible with the …

Metasurfaces, with extremely exotic capabilities to manipulate electromagnetic (EM) waves,
have derived a plethora of advanced metadevices with intriguing functionalities …

Dispersion results from the variation of index of refraction as well as electric field
confinement in sub-wavelength structures. It usually results in efficiency decrease in …

Metasurfaces are two-dimensional arrays of subwavelength optical antennas and have
possible applications of next-generation optical components such as ultrathin lenses, high …

Replacing curved and bulky optical elements with thin and lightweight counterparts is a
persistent pursuit of the optical society. Metasurfaces, as two-dimensional artificial …

Flat optical components based on metasurfaces will appear in our daily life in the near
future. Our discussion focuses on metasurface-based components consisting of sub …

Mie scattering is increasingly exploited to manipulate electromagnetic fields to achieve
strong resonant enhancement, to obtain perfect absorption of radiation, and to generate …

Flat optics, metasurfaces, metalenses, and related materials promise novel on-demand light
modulation within ultrathin layers at wavelength scale, enabling a plethora of next …

A metasurface is a layer of subwavelength-scale nanostructures that can be used to design
functional devices in ultrathin form. Various metasurface-based optical devices–coined as …