Numerical investigation on circular interference photoelectron momentum distributions induced by spatiotemporal optical vortex pulse
Sign Up to like & getrecommendations! Published in 2024 at "Journal of Modern Optics"
DOI: 10.1080/09500340.2024.2437052
Abstract: Using the strong field approximation theory, we conducted a detailed numerical investigation on the photoelectron momentum distributions (PMDs) arising from the ionization of hydrogen atoms by a circularly polarized spatiotemporal optical vortex (STOV) pulse. STOV… read more here.
Keywords: numerical investigation; spatiotemporal optical; momentum distributions; momentum ... See more keywords
Quantum theory of orbital angular momentum in spatiotemporal optical vortices
Sign Up to like & getrecommendations! Published in 2024 at "New Journal of Physics"
DOI: 10.1088/1367-2630/ad692a
Abstract: Spatiotemporal Optical Vortices (STOVs) are structured electromagnetic fields propagating in free space with phase singularities in the space-time domain. Depending on the tilt of the helical phase front, STOVs can carry both longitudinal and transverse… read more here.
Keywords: angular momentum; orbital angular; spatiotemporal optical; quantum theory ... See more keywords
Spatiotemporal optical vortex solitons: Dark solitons with transverse and tilted phase line singularities
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review A"
DOI: 10.1103/physreva.104.l061502
Abstract: Vortex solitons (dark solitons) are described in self-defocusing Kerr media whose phase line singularity is not parallel to the propagation direction, but is perpendicular or tilted almost arbitrary angles, depending on the medium linear dispersion.… read more here.
Keywords: phase line; solitons dark; vortex solitons; spatiotemporal optical ... See more keywords
Few-cycle spatiotemporal optical solitons in waveguide arrays
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.95.043839
Abstract: We consider the propagation of Gaussian spatiotemporal wave packets in arrays of parallel optical waveguides, assuming linear and nondispersive coupling between the adjacent guides. The numerical analysis is based on a discrete version of the… read more here.
Keywords: spatiotemporal optical; waveguide arrays; cycle spatiotemporal; optical solitons ... See more keywords
Generation of spatiotemporal optical vortices in ultrashort laser pulses using rotationally interleaved multispirals.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.474592
Abstract: Ultrashort optical vortex pulses carrying spatiotemporal orbital angular momentum (OAM) have inspired versatile applications such as the micromachining of integrated quantum chips and discoveries such as optical toroidal structures and OAM-carrying X-waves. Generating high-quality ultrashort… read more here.
Keywords: rotationally interleaved; ultrashort vortices; generation spatiotemporal; vortices ultrashort ... See more keywords
Generation of terahertz spatiotemporal optical vortices with frequency-dependent orbital angular momentum.
Sign Up to like & getrecommendations! Published in 2023 at "Optics express"
DOI: 10.1364/oe.484588
Abstract: Optical vortices with longitudinal orbital angular momentum (OAM) as a powerful tool for particle control, imaging and communication have been greatly developed. We introduce a novel property of broadband terahertz (THz) pulse, represented by frequency-dependent… read more here.
Keywords: frequency dependent; orbital angular; angular momentum; spatiotemporal optical ... See more keywords
Transverse orbital angular momentum of spatiotemporal optical vortices: setting the record straight.
Sign Up to like & getrecommendations! Published in 2025 at "Optics express"
DOI: 10.1364/oe.568833
Abstract: The nature of the transverse orbital angular momentum (tOAM) associated with spatiotemporal optical vortex (STOV) pulses has been the subject of recent debate. We demonstrate that the approaches to tOAM presented in several recent papers… read more here.
Keywords: transverse orbital; angular momentum; orbital angular; spatiotemporal optical ... See more keywords
Compact device for the generation of toroidal spatiotemporal optical vortices.
Sign Up to like & getrecommendations! Published in 2024 at "Optics letters"
DOI: 10.1364/ol.534211
Abstract: Due to the unique spatiotemporal coupling characteristics in phase, spatiotemporal optical vortices have attracted extensive attention. Toroidal vortices, as high-dimensional spatiotemporal optical vortices, have become a research hotspot in recent years due to their unique… read more here.
Keywords: device generation; spatiotemporal optical; compact device; vortices compact ... See more keywords