As an indispensable complement to an integer vortex beam, the fractional vortex beam has
unique physical properties such as radially notched intensity distribution, complex phase …

Structured light refers to the arbitrarily tailoring of optical fields in all their degrees of freedom
(DoFs), from spatial to temporal. Although orbital angular momentum (OAM) is perhaps the …

Spatial mode (de) multiplexing of orbital angular momentum (OAM) beams is a promising
solution to address future bandwidth issues, but the rapidly increasing divergence with the …

Harnessing linear and angular momenta of light is one of the cornerstones in modern optics
and has found tremendous applications in optical circuits, particle manipulation, metrology …

Structured light recently highlighted the higher-dimensional control with many tailored
degrees of freedom (DoFs) such as amplitude, wavelength, polarization, and orbital angular …

Structured light is routinely used in free-space optical communication channels, both
classical and quantum, where information is encoded in the spatial structure of the mode for …

As we celebrate 30 years since light's orbital angular momentum (OAM) was connected to its
spatial structure, we reflect on the advances made in fundamental science and applications …

The pursuit of compact lasers with low thresholds has imposed strict requirements on tight
light confinements with minimized radiation losses. Bound states in the continuum (BICs) …

There is a growing interest in structured light, especially orbital angular momentum (OAM)
beams, due to its unique amplitude and phase structure. Multiple orthogonal OAM beams …

Orbital angular momentum (OAM) detection underpins almost all aspects of vortex beams'
advances such as communication and quantum analogy. Conventional schemes are …