The spin Hall effect (SHE) of light, as an analogue of the SHE in electronic systems, is a
promising candidate for investigating the SHE in semiconductor spintronics/valleytronics …

Lenses with tunable focal length play important roles in nature by helping species avoid
predators and capture prey. Many practical devices mimic lens concept for imaging, sensing …

Vectorial optical fields (VOFs) exhibiting arbitrarily designed wavefronts and polarization
distributions are highly desired in photonics. However, current methods to generate them …

Pancharatnam–Berry (PB) phase has become an effective tool to realize the photonic spin
Hall effect (PSHE) in recent years, due to its capacity of enhancing the spin-orbit interaction …

We propose theoretically and verify experimentally a method of combining a q-plate and a
spiral phase plate to generate arbitrary vector vortex beams on a hybrid-order Poincaré …

In this review paper, we report recent progress on Pancharatnam-Berry (PB) phase optical
elements, such as lens, grating, and deflector. PB lenses exhibit a fast switching time …

Conventional head-mounted displays present different images to each eye, and thereby
create three-dimensional (3D) sensation for viewers. This method can only control the …

The abrupt phase change of light at metasurfaces provides high flexibility in wave
manipulation without the need for accumulation of propagating phase through dispersive …

The photonic spin Hall effect, originating from photonic spin–orbit interactions, has attracted
considerable research interest due to its potential for applications in spin‐controlled …

Metalens is one kind of two-dimensional ultrathin lenses with subwavelength artificial
structures that can focus light in a compact, flexible way. However, most strategies for …