Results 11 to 20 of about 15,024 (305)

Quark Orbital Angular Momentum [PDF]

open access: yesEPJ Web of Conferences, 2015
Definitions of orbital angular momentum based on Wigner distributions are used as a framework to discuss the connection between the Ji definition of the quark orbital angular momentum and that of Jaffe and Manohar.
Burkardt Matthias
doaj   +4 more sources

Super-resolution orbital angular momentum holography

open access: yesNature Communications, 2023
The resolution of orbital angular momentum holography is limited by a fundamental sampling criterion. Here, the authors break the resolution barrier by temporal multiplexing of binary holograms and enhance the resolution and capacity by several times.
Zijian Shi   +5 more
doaj   +3 more sources

Metasurface orbital angular momentum holography [PDF]

open access: yesNature Communications, 2019
Conventional hologram designs lack orbital angular momentum selectivity. Here, the authors design metasurface holograms consisting of GaN nanopillars with discrete spatial frequency distributions allowing the reconstruction of distinctive orbital angular
Haoran Ren   +11 more
doaj   +4 more sources

Elastic Orbital Angular Momentum [PDF]

open access: yesPhysical Review Letters, 2022
5 pages, 3 figures plus supplemental ...
Chaplain, G. J.   +2 more
openaire   +6 more sources

Orbital Angular Momentum Coherent State Beams [PDF]

open access: greenOptics Letters
Paraxial propagation through isotropic, homogeneous, linear media exhibits invariance under rotations around the propagation axis, a symmetry described by the su(2) Lie algebra. We explore a family of paraxial beams that exploit this symmetry, constructed as linear superpositions of Laguerre–Gaussian beams (LGBs), serving as optical analogs of ...
Dilia Aguirre-Olivas   +3 more
openalex   +4 more sources

Orbital Angular Momentum Microlaser [PDF]

open access: yesConference on Lasers and Electro-Optics, 2016
Microlasers with a twist Structured light, in the form of helical wavefronts, provides an additional degree of freedom to encode information for optical communications. Creating light beams with the desired amount of optical angular momentum, or twist, has usually been achieved with bulk optic devices. Miao et al.
Pei, Miao   +6 more
openaire   +2 more sources

Optical orbital angular momentum [PDF]

open access: yesPhilosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2017
We present a brief introduction to the orbital angular momentum of light, the subject of our theme issue and, in particular, to the developments in the 13 years following the founding paper by Allenet al.(Allenet al.1992Phys. Rev. A45, 8185 (doi:10.1103/PhysRevA.45.8185)).
Barnett, Stephen M   +2 more
openaire   +3 more sources

Customizing Multicolored Orbital Angular Momentum Combs. [PDF]

open access: yesNano Lett
Current orbital angular momentum (OAM) combs generating technology is hindered by bulky optical systems, limited control, and lack of multicolored information, impeding system integration and practical applications. We present a metasurface approach to realizing multicolored OAM comb engineering along the light propagation direction.
Ahmed H, Ansari MA, Yan R, Chen X.
europepmc   +3 more sources

Optical communication beyond orbital angular momentum [PDF]

open access: yesScientific Reports, 2016
AbstractMode division multiplexing (MDM) is mooted as a technology to address future bandwidth issues and has been successfully demonstrated in free space using spatial modes with orbital angular momentum (OAM). To further increase the data transmission rate, more degrees of freedom are required to form a densely packed mode space.
Trichili, Abderrahmen   +6 more
openaire   +4 more sources

Orbital Angular Momentum-Entanglement Frequency Transducer [PDF]

open access: yesPhysical Review Letters, 2016
Entanglement is a vital resource for realizing many tasks such as teleportation, secure key distribution, metrology and quantum computations. To effectively build entanglement between different quantum systems and share information between them, a frequency transducer to convert between quantum states of different wavelengths while retaining its ...
Zhou, Zhi-Yuan   +8 more
openaire   +3 more sources

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