Planar optical elements that can manipulate the multidimensional physical parameters of
light efficiently and compactly are highly sought after in modern optics and nanophotonics. In …

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 …

The term Poincaré beam, which describes the space-variant polarization of a light beam
carrying spin angular momentum (SAM) and orbital angular momentum (OAM), plays an …

Perfect vector vortex beams (PVVBs) have attracted considerable interest due to their
peculiar optical features. PVVBs are typically generated through the superposition of perfect …

An integrated way to generate and manipulate higher-order Poincaré sphere beams
(HOPBs) is a sought-after goal in photonic integrated circuits for high-capacity …

Advanced imaging techniques have been widely used in various biological studies.
Currently, numerous imaging modalities are utilized in biological applications, including …

Orbital angular momentum (OAM), one of the most recently discovered degrees of freedom
of light beam field has fundamentally revolutionized optical physics and its technological …

Optical vortices, featured with an infinite number of orthogonal channels of orbital angular
momentum, have demonstrated marvelous potentials in optical multiplexing and associated …

Vortex and vector terahertz (THz) beams with inhomogeneous polarization states have
become a considerable hot topic in the last decade due to their important roles in …

We discuss interesting effects that occur when strongly focusing light with m th-order
cylindrical–circular polarization. This type of hybrid polarization combines properties of the …