Articles with "pancharatnam berry" as a keyword



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Multidimensionally Manipulated Active Coding Metasurface by Merging Pancharatnam–Berry Phase and Dynamic Phase

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Published in 2021 at "Advanced Optical Materials"

DOI: 10.1002/adom.202100484

Abstract: Multidimensionally (amplitude, polarization, and phase) manipulated metasurfaces have drawn more significant advantages in modern photonic applications. In this paper, the active multidimensionally manipulated metasurface merging Pancharatnam–Berry phase and dynamic phase is proposed. The phase and… read more here.

Keywords: metasurface; metasurface merging; phase; pancharatnam berry ... See more keywords
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Flexible generation of vector beams based on the noncommutation of Pancharatnam–Berry phase elements

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Published in 2019 at "Optics Communications"

DOI: 10.1016/j.optcom.2019.03.043

Abstract: Abstract We examine the noncommutation of Pancharatnam–Berry phase elements in the generation of vector beams. Any desirable vector beams on the two high-order Poincare spheres can be generated by incorporating the noncommutation and certain input… read more here.

Keywords: vector beams; berry phase; pancharatnam berry; noncommutation ... See more keywords
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Nonlinear Pancharatnam−Berry Phase Metasurfaces beyond the Dipole Approximation

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Published in 2019 at "ACS Photonics"

DOI: 10.1021/acsphotonics.9b00877

Abstract: Nanoscale optical antennas mediate frequency mixing processes via their optical modes. Within arrays, metasurfaces provide unique opportunities to control nonlinear processes. Macroscopic interpret... read more here.

Keywords: berry phase; pancharatnam berry; metasurfaces beyond; phase metasurfaces ... See more keywords
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A method for simultaneously measuring polarization and phase of arbitrarily polarized beams based on Pancharatnam-Berry phase

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Published in 2017 at "Applied Physics Letters"

DOI: 10.1063/1.4982650

Abstract: Based on the theory of the Pancharatnam-Berry phase, we propose a method for simultaneously measuring polarization and the phase of arbitrarily polarized beams by utilizing digital holography. This method requires merely a single-exposure imaging of… read more here.

Keywords: phase; method simultaneously; polarization; berry phase ... See more keywords
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Reconfigurable metasurface lens based on graphene split ring resonators using Pancharatnam–Berry phase manipulation

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Published in 2019 at "Journal of Electromagnetic Waves and Applications"

DOI: 10.1080/09205071.2018.1563509

Abstract: ABSTRACT A reconfigurable graphene based metasurface is presented to controllably focus a circularly polarized incident plane wave. The unit cell of the proposed metasurface consists of split ring resonators on both sides of a dielectric… read more here.

Keywords: phase; ring resonators; split ring; metasurface ... See more keywords
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Creation of topological vortices using Pancharatnam-Berry phase liquid crystal holographic plates

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Published in 2020 at "Chinese Physics B"

DOI: 10.1088/1674-1056/ab7805

Abstract: Recently, physical fields with topological configurations are evoking increasing attention due to their fascinating structures both in fundamental researches and practical applications. Therein, topological light fields, because of their unique opportunity of combining experimental and… read more here.

Keywords: phase; crystal holographic; liquid crystal; vortices using ... See more keywords
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Reconstruction of multidimensional nonlinear polarization response of Pancharatnam-Berry metasurfaces

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Published in 2021 at "Physical Review B"

DOI: 10.1103/physrevb.104.054303

Abstract: Pancharatnam-Berry (PB) metasurfaces have been considered as innovative optical devices for efficient manipulation of both the phase and the polarization of the electromagnetic field. Here, we present the simultaneous generation of circularly, elliptically, and linearly… read more here.

Keywords: polarization; berry metasurfaces; reconstruction multidimensional; nonlinear polarization ... See more keywords
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Surface Plasmons Carry the Pancharatnam-Berry Geometric Phase.

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Published in 2017 at "Physical review letters"

DOI: 10.1103/physrevlett.119.253901

Abstract: Surface plasmon polaritons (SPPs) are electromagnetic surface waves that travel along the boundary of a metal and a dielectric medium. They can be generated when freely propagating light is scattered by structural metallic features such… read more here.

Keywords: pancharatnam berry; phase; surface plasmons; geometric phase ... See more keywords
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Manipulation of Terahertz Wave Based on Three-Layer Transmissive Pancharatnam-Berry Phase Metasurface

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Published in 2020 at "IEEE Access"

DOI: 10.1109/access.2020.3022373

Abstract: In order to improve the transmitted efficiency of metasurfaces, the three-layer unit cell structure with coupling characteristics between layers was proposed. Using these Pancharatnam-Berry phase element particles with three-layer structure, we constructed encoded metasurfaces with… read more here.

Keywords: metasurface; pancharatnam berry; three layer; berry phase ... See more keywords
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Intuitive understanding of the connection between Pancharatnam-Berry optical beam deflectors and polarization volume holograms.

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Published in 2023 at "Applied optics"

DOI: 10.1364/fio.2022.jw4a.5

Abstract: An approximate beam propagation method is proposed as an intuitive simulation of the optics of Pancharatnam-Berry phase and polarization volume hologram devices. Using this method, the connection between and polarization properties of these two types… read more here.

Keywords: polarization volume; beam; pancharatnam berry; polarization ... See more keywords
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A high-efficiency dual-wavelength achromatic metalens based on Pancharatnam-Berry phase manipulation.

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Published in 2018 at "Optics express"

DOI: 10.1364/oe.26.034919

Abstract: The application of metasurfaces requires the reduction or elimination of their chromatic aberration while maintaining a high efficiency. We propose a method for the design of dual-wavelength operating achromatic metalenses, which can focus two different… read more here.

Keywords: high efficiency; phase; dual wavelength; pancharatnam berry ... See more keywords