Flat optics has emerged as a key player in the area of structured light and its applications,
owing to its subwavelength resolution, ease of integration, and compact footprint. Although …

Optically variable devices (OVDs) are in tremendous demand as optical indicators against
the increasing threat of counterfeiting. Conventional OVDs are exposed to the danger of …

Imaging polarimeters find many critical applications in applications ranging from remote
sensing to biological detection. Metasurfaces have been proposed as a compact approach …

Metasurfaces can perform high-performance multi-functional integration by manipulating the
abundant physical dimensions of light, demonstrating great potential in high-capacity …

Replacing electrons with photons is a compelling route toward high-speed, massively
parallel, and low-power artificial intelligence computing. Recently, diffractive networks …

Metasurfaces provide a compact and powerful platform for manipulating the fundamental
properties of light, and have shown unprecedented capabilities in both optical holographic …

Reliable fabrication of micro/nanostructures with sub-10 nm features is of great significance
for advancing nanoscience and nanotechnology. While the capability of current …

Dispersion decomposes compound light into its monochromatic components, which is
detrimental to broadband imaging but advantageous for spectroscopic applications …

Metasurfaces, composed of specifically designed subwavelength units in a two-dimensional
plane, offer a new paradigm to design ultracompact optical elements that show great …

The Jones matrix is a useful tool to deal with polarization problems, and its number of
degrees of freedom (DOFs) that can be manipulated represents its polarization-controlled …