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CN 34-1054/N

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Plasmonic geometric metasurfaces for high-purity polarization conversion

  • Department of Optics and Optical Engineering, School of Physics, University of Science and Technology of China, Hefei 230026, China

Cite this:
https://doi.org/10.3969/j.issn.0253-2778.2020.08.013
  • Received Date: 28 June 2020
  • Accepted Date: 06 July 2020
  • Rev Recd Date: 06 July 2020
  • Publish Date: 31 August 2020
    Abstract

  • Abstract

    Plasmonic metasurfaces are made up of metallic artificial micro-structures with two-dimensional subwavelength periods, which can realize full control of light via tailoring the wavefronts. Currently, the purity of cross-polarization for transmissive plasmonic metasurfaces is low, leaving that both the signal (cross-polarization) and background (co-polarization) light exist in the transmitted light. Here, a rectangle-hole-based plasmonic metasurface made in a gold film was proposed to realize high-purity conversion of circular polarization. By using the finite-difference time-domain (FDTD) method, the dimension of the rectangle hole was optimized numerically to obtain the theoretical polarization purity of 99.5% in the transmitted light meanwhile maintain the total conversion efficiency larger than 10%. In addition, such a structure has good tolerance to the thickness of film, which benefit its practical applications such as holograms, lenses and gratings.

    Abstract

    Plasmonic metasurfaces are made up of metallic artificial micro-structures with two-dimensional subwavelength periods, which can realize full control of light via tailoring the wavefronts. Currently, the purity of cross-polarization for transmissive plasmonic metasurfaces is low, leaving that both the signal (cross-polarization) and background (co-polarization) light exist in the transmitted light. Here, a rectangle-hole-based plasmonic metasurface made in a gold film was proposed to realize high-purity conversion of circular polarization. By using the finite-difference time-domain (FDTD) method, the dimension of the rectangle hole was optimized numerically to obtain the theoretical polarization purity of 99.5% in the transmitted light meanwhile maintain the total conversion efficiency larger than 10%. In addition, such a structure has good tolerance to the thickness of film, which benefit its practical applications such as holograms, lenses and gratings.
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    • References(21)
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    LI J, CHEN S, YANG H, et al. Simultaneous control of light polarization and phase distributions using plasmonic metasurfaces [J]. Advanced Functional Materials, 2015, 25: 704-710.
    [16]
    YUE F, WEN D, XIN J, et al. Vector vortex beam generation with a single plasmonic metasurface [J]. ACS Photonics, 2016, 3: 1558-1563.
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    HUANG K, DENG J, LEONG H S, et al. Ultraviolet metasurfaces of ≈ 80% efficiency with antiferromagnetic resonances for optical vectorial anti-counterfeiting[J]. Laser & Photonics Reviews, 2019, 13: 1800289.
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    GEORGI P, MASSARO M, LUO K H, et al. Metasurface interferometry toward quantum sensors [J]. Light: Science & Applications, 2019, 8: 1-7.
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    [1]
    MEINZER N, BARNES W L, HOOPER I R. Plasmonic meta-atoms and metasurfaces [J]. Nature Photonics, 2014, 8: 889-898.
    [2]
    AIETA F, GENEVET P, KATS M A, et al. Aberration-free ultrathin flat lenses and axicons at telecom wavelengths based on plasmonic metasurfaces [J]. Nano Letters, 2012, 12: 4932-4936.
    [3]
    CHEN X, HUANG L, MHLENBERND H, et al. Dual-polarity plasmonic metalens for visible light [J]. Nature Communications, 2012, 3: Article No.1198.
    [4]
    HUANG L, CHEN X, MHLENBERND H, et al. Three-dimensional optical holography using a plasmonic metasurface [J]. Nature Communications, 2013, 4: Article number 2808.
    [5]
    ZHENG G, MHLENBERND H, KENNEY M, et al. Metasurface holograms reaching 80% efficiency [J]. Nature Nanotechnology, 2015, 10: 308-312.
    [6]
    YU N, AIETA F, GENEVET P, et al. A broadband, background-free quarter-wave plate based on plasmonic metasurfaces [J]. Nano Letters, 2012, 12: 6328-6333.
    [7]
    NI X, EMANI N K, KILDISHEV A V, et al. Broadband light bending with plasmonic nanoantennas [J]. Science, 2012, 335: 427-427.
    [8]
    SUN S, YANG K Y, WANG C M, et al. High-efficiency broadband anomalous reflection by gradient meta-surfaces [J]. Nano Letters, 2012, 12: 6223-6229.
    [9]
    BOLTASSEVA A, ATWATER H A. Low-loss plasmonic metamaterials [J]. Science, 2011, 331: 290-291.
    [10]
    GRAMOTNEV D, BOZHEVOLNYI S. Plasmonics beyond the diffraction limit[J]. Nature Photonics, 2010, 4: 83-91.
    [11]
    STEWART M E, ANDERTON C R, THOMPSON L B, et al. Nanostructured plasmonic sensors [J]. Chemical Reviews, 2008, 108: 494-521.
    [12]
    KAURANEN M, ZAYATS A V. Nonlinear plasmonics [J]. Nature Photonics, 2012, 6: 737-748.
    [13]
    TAME M S, MCENERY K, ZDEMIR ??塁, et al. Quantum plasmonics [J]. Nature Physics, 2013, 9: 329-340.
    [14]
    DING F, PORS A, BOZHEVOLNYI S I. Gradient metasurfaces: A review of fundamentals and applications [J]. Reports on Progress in Physics, 2017, 81: 026401.
    [15]
    LI J, CHEN S, YANG H, et al. Simultaneous control of light polarization and phase distributions using plasmonic metasurfaces [J]. Advanced Functional Materials, 2015, 25: 704-710.
    [16]
    YUE F, WEN D, XIN J, et al. Vector vortex beam generation with a single plasmonic metasurface [J]. ACS Photonics, 2016, 3: 1558-1563.
    [17]
    HUANG K, DENG J, LEONG H S, et al. Ultraviolet metasurfaces of ≈ 80% efficiency with antiferromagnetic resonances for optical vectorial anti-counterfeiting[J]. Laser & Photonics Reviews, 2019, 13: 1800289.
    [18]
    LUIS A. Degree of polarization in quantum optics [J]. Physical Review A, 2002, 66: 013806.
    [19]
    GEORGI P, MASSARO M, LUO K H, et al. Metasurface interferometry toward quantum sensors [J]. Light: Science & Applications, 2019, 8: 1-7.
    [20]
    STAV T, FAERMAN A, MAGUID E, et al. Quantum entanglement of the spin and orbital angular momentum of photons using metamaterials [J]. Science, 2018, 361: 1101-1104.
    [21]
    LUO W, SUN S, XU H X, et al. Transmissive ultrathin Pancharatnam-Berry metasurfaces with nearly 100% efficiency [J]. Physical Review Applied, 2017, 7: 044033.)
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