Optical vortices (OVs) carrying orbital angular momentum (OAM) have attracted
considerable interest in the field of optics and photonics owing to their peculiar optical …

Infrared metasurface, especially that having a working range covering wavelengths from
0.75 to 25 μm, has been exploited as a revolutionary tool to manipulate the properties of …

In this work, a novel all-dielectric metasurface made of arrayed circular slots etched in a
silicon layer is proposed and theoretically investigated. The structure is designed to support …

Three-dimensional (3D) light fields with spatially inhomogeneous polarization and intensity
distributions play an increasingly important role in photonics due to their peculiar optical …

All‐dielectric metasurfaces with low‐loss planar photonic subwavelength elements can be
freely designed to realize high‐efficiency light wave manipulation. It is highly desirable to …

Exceptional points are spectral singularities in non-Hermitian systems at which two or more
eigenvalues and their corresponding eigenvectors simultaneously coalesce. Originating …

Metasurfaces are artificially engineered ultrathin photonic components that can be freely
designed to exhibit unprecedented capabilities of highly-efficient electromagnetic wave …

Vortex beams carrying orbital angular momentum have important applications in high
dimensional optical information processing, manipulations of tiny particles, super-resolution …

Planar achromatic metalenses with a thickness of the order of wavelength have attracted
much attention for their potential applications in ultra-compact optical devices. However …

A multifocal metalens is proposed based on the optical metasurface consisting of
subwavelength gratings etched on silver film. The larger transmission of grating makes the …