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Photonic spin Hall effect in hyperbolic metamaterials for polarization-controlled routing of subwavelength modes

Author

Listed:
  • Polina V. Kapitanova

    (National Research University of Information Technologies, Mechanics and Optics (ITMO))

  • Pavel Ginzburg

    (King’s College London)

  • Francisco J. Rodríguez-Fortuño

    (Nanophotonics Technology Center, Universitat Politècnica de València)

  • Dmitry S. Filonov

    (National Research University of Information Technologies, Mechanics and Optics (ITMO))

  • Pavel M. Voroshilov

    (National Research University of Information Technologies, Mechanics and Optics (ITMO))

  • Pavel A. Belov

    (National Research University of Information Technologies, Mechanics and Optics (ITMO))

  • Alexander N. Poddubny

    (National Research University of Information Technologies, Mechanics and Optics (ITMO)
    Ioffe Physical-Technical Institute of the Russian Academy of Science)

  • Yuri S. Kivshar

    (National Research University of Information Technologies, Mechanics and Optics (ITMO)
    Nonlinear Physics Centre and Centre for Ultrahigh-bandwidth Devices for Optical Systems (CUDOS), Research School of Physics and Engineering, Australian National University)

  • Gregory A. Wurtz

    (King’s College London)

  • Anatoly V. Zayats

    (King’s College London)

Abstract

The routing of light in a deep subwavelength regime enables a variety of important applications in photonics, quantum information technologies, imaging and biosensing. Here we describe and experimentally demonstrate the selective excitation of spatially confined, subwavelength electromagnetic modes in anisotropic metamaterials with hyperbolic dispersion. A localized, circularly polarized emitter placed at the boundary of a hyperbolic metamaterial is shown to excite extraordinary waves propagating in a prescribed direction controlled by the polarization handedness. Thus, a metamaterial slab acts as an extremely broadband, nearly ideal polarization beam splitter for circularly polarized light. We perform a proof of concept experiment with a uniaxial hyperbolic metamaterial at radio-frequencies revealing the directional routing effect and strong subwavelength λ/300 confinement. The proposed concept of metamaterial-based subwavelength interconnection and polarization-controlled signal routing is based on the photonic spin Hall effect and may serve as an ultimate platform for either conventional or quantum electromagnetic signal processing.

Suggested Citation

  • Polina V. Kapitanova & Pavel Ginzburg & Francisco J. Rodríguez-Fortuño & Dmitry S. Filonov & Pavel M. Voroshilov & Pavel A. Belov & Alexander N. Poddubny & Yuri S. Kivshar & Gregory A. Wurtz & Anatoly, 2014. "Photonic spin Hall effect in hyperbolic metamaterials for polarization-controlled routing of subwavelength modes," Nature Communications, Nature, vol. 5(1), pages 1-8, May.
    • Handle: RePEc:nat:natcom:v:5:y:2014:i:1:d:10.1038_ncomms4226
    DOI: 10.1038/ncomms4226
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    Cited by:

    1. Matthew Weiner & Xiang Ni & Andrea Alù & Alexander B. Khanikaev, 2022. "Synthetic Pseudo-Spin-Hall effect in acoustic metamaterials," Nature Communications, Nature, vol. 13(1), pages 1-7, December.
    2. Xing-Xiang Wang & Zhiwei Guo & Juan Song & Haitao Jiang & Hong Chen & Xiao Hu, 2023. "Unique Huygens-Fresnel electromagnetic transportation of chiral Dirac wavelet in topological photonic crystal," Nature Communications, Nature, vol. 14(1), pages 1-8, December.

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