Articles with "orbital angular" as a keyword



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Multichannel Polarization-Controllable Superpositions of Orbital Angular Momentum States.

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Published in 2017 at "Advanced materials"

DOI: 10.1002/adma.201603838

Abstract: A facile metasurface approach is shown to realize polarization-controllable multichannel superpositions of orbital angular momentum (OAM) states with various topological charges. By manipulating the polarization state of the incident light, four kinds of superpositions of… read more here.

Keywords: polarization controllable; angular momentum; polarization; superpositions orbital ... See more keywords
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Orbital Angular Momentum Multiplexing in Space–Time Thermoacoustic Metasurfaces

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Published in 2022 at "Advanced Materials"

DOI: 10.1002/adma.202202026

Abstract: Multiplexing technology with increased information capacity plays a crucial role in the realm of acoustic communication. Different quantities of sound waves, including time, frequency, amplitude, phase, and orbital angular momentum (OAM), have been independently introduced… read more here.

Keywords: time; orbital angular; frequency; angular momentum ... See more keywords
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Coupling‐Mediated Selective Spin‐to‐Plasmonic‐Orbital Angular Momentum Conversion

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Published in 2019 at "Advanced Optical Materials"

DOI: 10.1002/adom.201900713

Abstract: Orbital angular momentum (OAM) has been recently introduced to plasmonics for generating plasmonic vortices with a helical wavefront, opening avenues for exotic on‐chip applications such as quantum information processing and communications. In previous demonstrations, carefully… read more here.

Keywords: angular momentum; plasmonic vortices; conversion; spin ... See more keywords
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Manipulation of Orbital Angular Momentum Spectrum Using Shape‐Tailored Metasurfaces

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Published in 2020 at "Advanced Optical Materials"

DOI: 10.1002/adom.202001711

Abstract: Vortex beams carrying orbital angular momentum (OAM) are widely applied in various electromagnetic, optical, and quantum systems. A tailored OAM spectrum composed of several specific modes as expected holds a promise for expanding the degrees… read more here.

Keywords: angular momentum; shape tailored; orbital angular; using shape ... See more keywords
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Multichannel Generations of Orbital Angular Momentum Modes with On‐Demand Characteristics on a Chip

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Published in 2021 at "Advanced Optical Materials"

DOI: 10.1002/adom.202101308

Abstract: The orthogonality among optical beams with different orbital angular momentum (OAM) modes presents a new perspective as independent data‐carrying channels for multiplexing and demultiplexing. In particular, the theoretically infinite topological charge of OAM beam promises… read more here.

Keywords: angular momentum; characteristics chip; orbital angular; demand characteristics ... See more keywords
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Algorithm design of a Rubik metamaterial for sextuple orbital angular momentums

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Published in 2023 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.33693

Abstract: This letter presents a Rubik metamaterial with sextuple orbital angular momentum (OAM) capabilities. The design is based on a comprehensive algorithm that draws inspiration from the Rubik's cube. This metamaterial can generate multiple phased vortex… read more here.

Keywords: sextuple orbital; metamaterial sextuple; orbital angular; rubik ... See more keywords
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Sub‐THz 3D printed lens based on diffractive neural network for low‐cost detection of orbital angular momentum states

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Published in 2023 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.33700

Abstract: Accurate detection of orbital angular momentum (OAM) is one of the critical techniques for OAM‐related communications. However, conventional OAM identification approaches are often complicated and costly. In this letter, a convenient method based on diffraction… read more here.

Keywords: neural network; orbital angular; detection orbital; angular momentum ... See more keywords
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General relativistic manifestations of orbital angular and intrinsic hyperbolic momentum in electromagnetic radiation

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Published in 2018 at "General Relativity and Gravitation"

DOI: 10.1007/s10714-020-02702-1

Abstract: General relativistic effects in the weak field approximation are calculated for electromagnetic Laguerre–Gaussian beams. The current work is an extension of previous work on the precession of a spinning neutral particle in the weak gravitational… read more here.

Keywords: relativistic manifestations; intrinsic hyperbolic; orbital angular; general relativistic ... See more keywords
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Passive measurement-device-independent quantum key distribution with orbital angular momentum and pulse position modulation

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Published in 2018 at "Optoelectronics Letters"

DOI: 10.1007/s11801-018-7232-9

Abstract: Based on the orbital angular momentum and pulse position modulation, we present a novel passive measurement-device-independent quantum key distribution (MDI-QKD) scheme with the two-mode source. Combining with the tight bounds of the yield and error… read more here.

Keywords: pulse position; modulation; position modulation; angular momentum ... See more keywords
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The role of electron orbital angular momentum in the Aharonov–Bohm effect revisited

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Published in 2018 at "Annals of Physics"

DOI: 10.1016/j.aop.2018.08.010

Abstract: This is a brief review on the theoretical interpretation of the Aharonov-Bohm effect, which also contains our new insight into the problem. A particular emphasis is put on the unique role of electron orbital angular… read more here.

Keywords: aharonov bohm; bohm effect; angular momentum; effect ... See more keywords
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The effect of twisted light on the ring-shaped molecules: The manipulation of the photoinduced current and the magnetic moment by transferring spin and orbital angular momentum of high frequency light

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Published in 2017 at "Computational and Theoretical Chemistry"

DOI: 10.1016/j.comptc.2016.11.031

Abstract: Abstract In this study, we aim to investigate the possibility of the manipulation of an aromatic ring current and magnetic moment induced by spin angular momentum (SAM) and orbital angular momentum (OAM) carrying light by… read more here.

Keywords: current magnetic; angular momentum; magnetic moment; frequency light ... See more keywords