Optical vortices 30 years on: OAM manipulation from topological charge to multiple singularities

Y Shen, X Wang, Z **e, C Min, X Fu, Q Liu… - Light: Science & …, 2019 - nature.com
Thirty years ago, Coullet et al. proposed that a special optical field exists in laser cavities
bearing some analogy with the superfluid vortex. Since then, optical vortices have been …

Structured light from lasers

A Forbes - Laser & Photonics Reviews, 2019 - Wiley Online Library
Structured light is derived from the ability to tailor light, usually referring to the spatial control
of its amplitude, phase, and polarization. Although a venerable topic that dates back to the …

Ultra-degree-of-freedom structured light for ultracapacity information carriers

Z Wan, H Wang, Q Liu, X Fu, Y Shen - ACS Photonics, 2023 - ACS Publications
Structured light recently highlighted the higher-dimensional control with many tailored
degrees of freedom (DoFs) such as amplitude, wavelength, polarization, and orbital angular …

Divergence-degenerate spatial multiplexing towards future ultrahigh capacity, low error-rate optical communications

Z Wan, Y Shen, Z Wang, Z Shi, Q Liu… - Light: Science & …, 2022 - nature.com
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 …

OAM beam generation in space and its applications: A review

Y Lian, X Qi, Y Wang, Z Bai, Y Wang, Z Lu - Optics and Lasers in …, 2022 - Elsevier
In recent years, vortex beams with orbital angular momentum (OAM) have attracted more
and more attention. The wavefront of the OAM beams is helical, the intensity at the center of …

Structured ray-wave vector vortex beams in multiple degrees of freedom from a laser

Y Shen, X Yang, D Naidoo, X Fu, A Forbes - Optica, 2020 - opg.optica.org
Vector vortex beams are conventionally created as the superposition of orbital angular
momentum (OAM) modes with orthogonal polarizations, limiting the available degrees of …

Rays, waves, SU (2) symmetry and geometry: toolkits for structured light

Y Shen - Journal of Optics, 2021 - iopscience.iop.org
Structured light refers to the ability to tailor optical patterns in all its degrees of freedom, from
conventional 2D transverse patterns to exotic forms of 3D, 4D, and even higher-dimensional …

Measuring high orbital angular momentum of vortex beams with an improved multipoint interferometer

Q Zhao, M Dong, Y Bai, Y Yang - Photonics Research, 2020 - opg.optica.org
A multipoint interferometer (MI), uniformly distributed point-like pinholes in a circle, was
proposed to measure the orbital angular momentum (OAM) of vortex beams [Phys. Rev. Lett …

Generalized perfect optical vortices with free lens modulation

M He, Y Liang, X Yun, Z Wang, T Zhao, S Wang… - Photonics …, 2022 - opg.optica.org
In this paper, we present an approach called the free lens modulation (FLM) method to
generate high-perfection 3D generalized perfect optical vortices (GPOVs) with topological …

Particle manipulation with twisted circle Pearcey vortex beams

Y Yang, Y Wu, X Zheng, J Shi, Y Luo, J Huang… - Optics Letters, 2023 - opg.optica.org
In this Letter, we present an approach for particle manipulation utilizing twisted circle
Pearcey vortex beams. These beams are modulated by a noncanonical spiral phase, which …