Abstract Information security is of great importance in every aspect of life, spawning
numerous modern cryptographic strategies to protect data from stealing and deciphering …

Polarization transformation is at the foundation of modern applications in photonics and
quantum optics. Notwithstanding their applicative interests, basic theoretical and …

In recent years, metasurfaces have attracted considerable interest for their unprecedented
capabilities to manipulate intensity, phase, and polarization of an electromagnetic wave …

Metalenses have gained significant attention and have been widely utilized in optical
systems for focusing and imaging, owing to their lightweight, high-integration, and …

Diffractive optical elements (DOEs) represent a revolutionary advancement in modern
optics, offering unparalleled versatility and efficiency in various applications. Their …

On-chip metasurface for guided wave radiation works as an upgrade of conventional grating
couplers, enriching the interconnection between guided wave and free-space optical field …

Based on the principle of super-symmetric lens with quadratic phase gradient
transformation, combined with the principle of digital coding of metasurface, we propose a …

Dielectric chiral metasurface is a new type of planar and efficient chiral optical device that
shows strong circular dichroism or optical activity, which has important application potential …

Polarization is the nature of optics. Exploiting metasurface's polarizations can enhance the
multiplexing capacity but face a limited number of channels. For example, a single‐layer …

Ultrathin metalenses are a revolutionary technology that have emerged in recent years,
offering the potential for high‐resolution, wide‐angle imaging in a compact form factor …