Polarization singularities are superpositions of orbital angular momentum (OAM) states in
orthogonal circular polarization basis. The intrinsic OAM of light beams arises due to the …

Optical vortices carrying orbital angular momentum (OAM) have attracted increasing interest
in recent years. Optical vortices have seen a variety of emerging applications in optical …

The polarization of light is a valuable information channel that has been studied extensively
in optical devices. There has been limited progress in develo** low‐refractive index …

The ability to measure the orbital angular momentum (OAM) distribution of vortex light is
essential for OAM applications. Although there have been many studies on the …

The orbital angular momentum (OAM) of beams provides a new dimension, and have
already found lots of applications in various domains. Among such applications, the …

Photonic neural networks are brain-inspired information processing technology using
photons instead of electrons to perform artificial intelligence (AI) tasks. However, existing …

We report an approach to the increase of signal channels in free-space optical
communication based on composed optical vortices (OVs). In the encoding process …

Since Allen et al. demonstrated 30 years ago that beams with helical wavefronts carry orbital
angular momentum (OAM), the OAM of beams has attracted extensive attention and …

Arrays of multiple vortex beams enhance parallel processing capabilities from particle
manipulation to information communication. However, the spatial position, topological …

Polarization singularities are superpositions of orbital angular momentum (OAM) states in
orthogonal circular polarization basis. The intrinsic OAM of light beams arises due to the …