The past decades have witnessed the flourishing of non-Hermitian physics in non-
conservative systems, leading to unprecedented phenomena of unidirectional invisibility …

Structured light, especially beams carrying orbital angular momentum (OAM), has gained
much interest due to its unique amplitude and phase structures. In terms of communication …

Recent research in topological photonics has not only proposed and realized novel
topological phenomena such as one‐way broadband propagation and robust transport of …

Light–matter interaction in 2D and topological materials provides a fascinating control knob
for inducing emergent, non-equilibrium properties and achieving new functionalities in the …

BACKGROUND Optical vortices provide one of the promising solutions for enhancing the
capacity of data multiplexing to meet an unprecedented growth in big data and internet traffic …

With inherent orthogonality, both the spin angular momentum (SAM) and orbital angular
momentum (OAM) of photons have been utilized to expand the dimensions of quantum …

Beyond the scope of Hermitian physics, non-Hermiticity fundamentally changes the
topological band theory, leading to interesting phenomena, eg, non-Hermitian skin effect, as …

Control of the spin angular momentum (SAM) carried in a photon provides a technologically
attractive element for next-generation quantum networks and spintronics,,,–. However, the …

On-chip polarization-sensitive photodetectors offer unique opportunities for next-generation
ultra-compact polarimeters. So far, mainstream approaches have relied on the anisotropic …

Nanophotonic platforms such as metasurfaces, achieving arbitrary phase profiles within
ultrathin thickness, emerge as miniaturized, ultracompact and kaleidoscopic optical vortex …