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

Y Shen, X Wang, Z Xie, 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 …

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 …

Advances in vanadate laser crystals at a lasing wavelength of 1 micrometer

H Yu, J Liu, H Zhang, AA Kaminskii… - Laser & Photonics …, 2014 - Wiley Online Library
Sapphire, garnet and vanadate crystals are the most prominent optical materials, and
vanadates play important roles in optics, especially in lasers and nonlinear optics …

SU (2) Poincaré sphere: A generalized representation for multidimensional structured light

Y Shen, Z Wang, X Fu, D Naidoo, A Forbes - Physical Review A, 2020 - APS
Structured light, as a general term for arbitrary states of amplitude, phase, and polarization in
optical fields, is highly topical because of a myriad of applications it has fostered. A …

Digitally tailoring arbitrary structured light of generalized ray-wave duality

Z Wan, Z Wang, X Yang, Y Shen, X Fu - Optics Express, 2020 - opg.optica.org
Structured lights, particularly those with tunable and controllable geometries, are highly
topical due to a myriad of their applications from imaging to communications. Ray-wave …

Truncated triangular diffraction lattices and orbital-angular-momentum detection of vortex SU (2) geometric modes

Y Shen, X Fu, M Gong - Optics express, 2018 - opg.optica.org
We report, for the first time to the best of our knowledge, a truncated diffraction with a
triangular aperture of the SU (2) geometric modes and propose a method to detect the …

Characterization and generation of high-power multi-axis vortex beams by using off-axis pumped degenerate cavities with external astigmatic mode converter

PH Tuan, YH Hsieh, YH Lai, KF Huang, YF Chen - Optics Express, 2018 - opg.optica.org
The generalized geometric mode with several high-order Hermite-Gaussian (HG) beams
localized on ray periodic orbits in the degenerate resonator is generated by an off-axis …

Laser transverse modes of spherical resonators: a review

YF Chen, CC Lee, CH Wang, MX Hsieh - Chinese Optics Letters, 2020 - opg.optica.org
The study of structured laser beams has been one of the most active fields of research for
decades, particularly in exploring laser beams with orbital angular momentum. The direct …

Geometry of classical periodic orbits and quantum coherent states in coupled oscillators with SU (2) transformations

YF Chen - Physical Review A—Atomic, Molecular, and Optical …, 2011 - APS
The geometry of classical dynamics in coupled oscillators with SU (2) transformations is
explored and found to be relevant to a family of continuous-transformation orbits between …

[PDF][PDF] 复杂涡旋结构光场的产生方法

柳强, 潘婧, 万震松, 申艺杰, 张恒康, 付星… - Chinese Journal of …, 2020 - researching.cn
摘要涡旋光是一种携带轨道角动量, 相位面呈螺旋状分布的新型结构光场, 在量子纠缠,
量子通信, 光学微操控等领域已经获得了广泛应用. 随着研究的深入, 具有比传统涡旋光更复杂的 …