Geometric phase is a unifying and central concept in physics, including optics. As a matter of
fact, optics played a pivotal role from the inception of this new paradigm, as some of the first …

The geometric phase concept has profound implications in many branches of physics, from
condensed matter physics to quantum systems. Although geometric phase has a long …

The spin Hall effect of light refers to a spin-dependent transverse splitting of light at a planar
interface. Previous demonstrations to enhance the splitting have suffered from exceedingly …

Optical bound states in the continuum (BICs) are exotic topological defects in photonic
crystal slabs, carrying polarization topological vortices in momentum space. The topological …

Dynamical controls on terahertz (THz) wavefronts are crucial for many applications, but
available mechanism requests tunable elements with sub-micrometer sizes that are difficult …

Although the photonic spin‐Hall effect (PSHE) at optical interfaces has been widely studied
in past years, its physical origin remains obscure. Here, through studying the scatterings of …

The spin Hall effect of light (SHEL) is the microscopic splitting of light into two circular
polarizations at the optical interface along the perpendicular direction. With the advent of …

A pair of vortices, one of the multiple vortices, exhibits more adjustable parameters and
attractive characteristics compared with a single vortex. By introducing a vortex pair on the …

The photonic spin Hall effect (PSHE), as an exotic analogy to the spin Hall effect in
electronics, is induced by the spin-orbit interaction of light and manifests itself as a spin …

The photonic spin Hall effect provides a quantitative way to characterize the spin–orbit
interaction of light and enables many applications, such as the precise metrology, since this …