Tunable spin splitting of Laguerre–Gaussian beams in graphene metamaterials

Zhu, Wenguo; Jiang, Mengjiang; Guan, Heyuan; Lu, Huihui; Zhang, Jun; Chen, Zhe

doi:10.1364/prj.5.000684

Cited by 84 publications

(15 citation statements)

References 27 publications

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“…The beam shifts on the surface of graphene have been observed via weak measurements [16,17]. In addition, the strong spin-orbit interaction and giant spin-dependent shifts on the surface of graphene have also been predicted [18,19].…”

Section: Introductionmentioning

confidence: 91%

Photonic spin Hall effect on the surface of anisotropic two-dimensional atomic crystals

et al. 2018

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We examine the spin-orbit interaction of light and photonic spin Hall effect on the surface of anisotropic twodimensional atomic crystals. As an example, the photonic spin Hall effect on the surface of black phosphorus is investigated. The photonic spin Hall effect manifests itself as the spin-dependent beam shifts in both transverse and in-plane directions. We demonstrate that the spin-dependent shifts are sensitive to the orientation of the optical axis, doping concentration, and interband transitions. These results can be extensively extended to other anisotropic two-dimensional atomic crystals. By incorporating the quantum weak measurement techniques, the photonic spin Hall effect holds great promise for detecting the parameters of anisotropic two-dimensional atomic crystals.

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Section: Introductionmentioning

confidence: 91%

Photonic spin Hall effect on the surface of anisotropic two-dimensional atomic crystals

et al. 2018

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“…[ 5 ] The centroid of a light beam could generate a displacement, in an incident plane or in a direction perpendicular to it, are called the Goos−Hänchen (GH) and Imbert−Fedorov (IF) displacement, respectively. [ 6–13 ] Various new structures have been proposed to enhance the beam displacements. [ 14,15 ]…”

Section: Introductionmentioning

confidence: 99%

“…[5] The centroid of a light beam could generate a displacement, in an incident plane or in a direction perpendicular to it, are called the GoosÀHänchen (GH) and ImbertÀFedorov (IF) displacement, respectively. [6][7][8][9][10][11][12][13] Various new structures have been proposed to enhance the beam displacements. [14,15] Some studies illustrate that the 1D photonic crystal (1DPC) is similar to 2D and 3D ones and also show characteristics of the PBG.…”

Section: Introductionmentioning

confidence: 99%

Magneto‐Optical Goos−Hänchen Displacement in Quasiperiodic Gradient 1D Photonic Crystal

Wang

Cai

et al. 2022

Physica Status Solidi (b)

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In recent years, various approaches for GH (Goos−Hänchen) displacement control have been proposed, including various waveguide structures, different material interfaces, and other physical phenomena (such as surface plasmon resonance, etc.), which make GH displacement flexible and controllable. Herein, the magneto‐optic GH displacement in quasiperiodic gradient 1D photonic crystals is introduced. The variation of GH displacement by changing the magnetic field for periodic and quasiperiodic structures is shown. The thickness of the initial material is determined by the change of the material thickness, and then the tunable GH displacement is observed under the applied magnetic field. The GH value increases with the thicker gradient thickness but decreases with increase in magnetic field, and it is more sensitive to the magnetic field intensity.

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“…Owing to the inherent orthogonality among the different modes, the OAM beams have the potential to increase communication capacity and spectral efficiency by encoding information as OAM modes of the beams or using the OAM beams as information carriers for multiplexing. [14,15] Therefore, the OAM beams have attracted considerable attention from both science and engineering. [16] To enable the practical applications of OAM beams, generating vortex electromagnetic waves is of fundamental importance.…”

Section: Introductionmentioning

confidence: 99%

Generation of Continuously Variable-mode Orbital Angular Momentum Beams

Xu¹,

Chen²,

Zhai³

et al. 2020

Eng. Sci.

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Orbital angular momentum (OAM) beam emitters with compact structure and high performance are highly desirable for wireless communication and radar technology. Here, we propose a compact emitter that only consists of a ring resonator and a feed line. Continuously-variable-mode OAM beams are generated by adjusting the wavelength and transmission path. The basic design principle and specific evaluation index are discussed. Both the simulated and experimental results demonstrate that the proposed emitter obtains the capacity of generating variable-modes. This approach opens a way for designing novel OAM beam emitter with desired properties.

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Tunable spin splitting of Laguerre–Gaussian beams in graphene metamaterials

Cited by 84 publications

References 27 publications

Photonic spin Hall effect on the surface of anisotropic two-dimensional atomic crystals

Photonic spin Hall effect on the surface of anisotropic two-dimensional atomic crystals

Magneto‐Optical Goos−Hänchen Displacement in Quasiperiodic Gradient 1D Photonic Crystal

Generation of Continuously Variable-mode Orbital Angular Momentum Beams

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