Results 11 to 20 of about 26,579 (259)

Centrosymmetric Optical Vortex [PDF]

open access: yesApplied Sciences, 2019
We report on a novel optical vortex, named as centrosymmetric optical vortex (CSOV), which is constructed via four conventional optical vortices (OVs) with different topological charges (TCs).
Hao Zhang   +5 more
doaj   +2 more sources

Spatiotemporal optical vortex combs. [PDF]

open access: yesNat Commun
Single-packet spatiotemporal optical vortices (STOVs) with transverse orbital angular momentum (OAM) have recently garnered significant attentions. Nevertheless, more advanced applications require diverse transverse OAM modes and multiple STOV wave packets, forming what we term a STOV comb.
Feng F   +9 more
europepmc   +3 more sources

Entangled Optical Vortex Links [PDF]

open access: yesPhysical Review Letters, 2011
Optical vortices are lines of phase singularity which percolate through all optical fields. We report the entanglement of linked optical vortex loops in the light produced by spontaneous parametric down-conversion. As measured by using a Bell inequality, this entanglement between topological features extends over macroscopic and finite volumes.
Romero, J.   +6 more
openaire   +6 more sources

Theoretical Study on Generation of Multidimensional Focused and Vector Vortex Beams via All-Dielectric Spin-Multiplexed Metasurface

open access: yesNanomaterials, 2022
The optical vortex (OV) beams characterized by orbital angular momentum (OAM) possess ubiquitous applications in optical communication and nanoparticle manipulation.
Yue Liu   +8 more
doaj   +1 more source

Optical Vortex Brillouin Laser

open access: yesLaser & Photonics Reviews, 2023
AbstractOptical vortices, which have been extensively studied over the last decades, offer an additional degree of freedom useful in many applications, such as optical tweezers and quantum control. Stimulated Brillouin scattering (SBS), providing a narrow linewidth and a strong nonlinear response, has been used to realize quasi‐continuous wave lasers ...
Zeng, X.   +7 more
openaire   +3 more sources

Abrupt autofocusing performance of a circular Airyprime beam with vortex pairs

open access: yesResults in Physics, 2023
Abrupt autofocusing performance of a circular Airyprime beam (CAPB) with vortex pairs propagating in free space is investigated. Here the vortex pairs are off-axis by default.
Wen-Song Dan   +6 more
doaj   +1 more source

Collapse Dynamics of Vortex Beams in a Kerr Medium with Refractive Index Modulation and PT-Symmetric Lattices

open access: yesPhotonics, 2022
Using the two-dimensional nonlinear Schrödinger equation, the collapse dynamics of vortex beams in a Kerr medium with refractive index modulation and parity–time (PT) symmetric lattices are explored. The critical power for the collapse of vortex beams in
Gang Yao, Yuhua Li, Rui-Pin Chen
doaj   +1 more source

Vortex Beam in a Turbulent Kerr Medium for Atmospheric Communication

open access: yesPhotonics, 2023
The dynamics of the topological charge of a vortex optical beam propagating in turbulent air while accounting for the cubic nonlinearity is theoretically considered.
Andrey D. Bulygin   +2 more
doaj   +1 more source

Divergence of optical vortex beams [PDF]

open access: yesApplied Optics, 2015
4 pages, 4 ...
Reddy, Salla Gangi   +5 more
openaire   +3 more sources

Advances on Solid-State Vortex Laser

open access: yesPhotonics, 2022
Vortex beams (VBs) are structured beams with helical wavefronts carrying orbital angular momentum (OAM) and they have been widely used in lots of domains, such as optical data-transmission, optical tweezer, quantum entanglement, and super-resolution ...
Zhichao Zhang   +3 more
doaj   +1 more source

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