Results 1 to 10 of about 25,445 (160)
Angular-multiplexed multichannel optical vortex arrays generators based on geometric metasurface [PDF]
iScience, 2021 Summary: Recently, metasurface-based multichannel optical vortex arrays have attracted considerable interests due to its promising applications in high-dimensional information storage and high-secure information encryption.
Jinjin Jin +7 more
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Spin-orbit coupling in van der Waals materials for optical vortex generation [PDF]
Light: Science & ApplicationsAn optical vortex beam has attracted significant attention across diverse applications, including optical manipulation, phase-contrast microscopy, optical communication, and quantum photonics.
Jaegang Jo +5 more
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Spatiotemporal optical vortex combs. [PDF]
Nat CommunSingle-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
Recent advances on optical vortex generation
Nanophotonics, 2018 This article reviews recent progress leading to the generation of optical vortex beams. After introducing the basics of optical vortex beams and their promising applications, we summarized different approaches for optical vortex generation by discrete ...
Wang Xuewen +5 more
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Birth and evolution of an optical vortex [PDF]
Optics Express, 2016 Revtex, 7 figures, published ...
Lorenzo Marrucci +2 more
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Spatiotemporal optical vortex reconnections of multi-vortices [PDF]
Scientific ReportsVortex reconnections are ubiquitous events found in diverse media. Here we show that vortex reconnections also occur between spatiotemporal vortices in optical waves.
Jordan Adams, Imad Agha, Andy Chong
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Near and mid-infrared optical vortex parametric oscillator based on KTA [PDF]
Scientific Reports, 2021 We investigated high energy, near and mid-infrared optical vortex lasers formed by a 1 μm optical vortex-pumped KTiOAsO4 (KTA) optical parametric oscillator. The orbital angular momentum (OAM) of the pump beam can be selectively transferred to the signal
Mairihaba Ababaike +4 more
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Centrosymmetric Optical Vortex [PDF]
Applied 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
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Azimuthally dependent absorption and gain in an atomic system with spontaneously generated coherence controlled by an optical vortex field [PDF]
Scientific ReportsThis paper examines spatially dependent absorption and gain of a weak probe field in a 3-level atomic $$\Lambda$$ -system with spontaneously generated coherence and incoherent pump, using an optical vortex beam as the control field.
Viačeslav Kudriašov +3 more
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Theoretical study of vortex beam generation based on geometric coordinate transformation
Frontiers in Physics, 2022 By performing a conformal optical mapping of an input beam from Cartesian to log-polar coordinates, we propose a method to generate vortex beam. By tilting the incident beam, a phase gradient is attached and evolves into a vortex phase due to the optical
Yanke Li +5 more
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