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Arbitrary aperture synthesis with nonlocal leaky-wave metasurface antennas

Author

Listed:
  • Gengyu Xu

    (City University of New York)

  • Adam Overvig

    (City University of New York)

  • Yoshiaki Kasahara

    (City University of New York
    The University of Texas at Austin)

  • Enrica Martini

    (University of Siena)

  • Stefano Maci

    (University of Siena)

  • Andrea Alù

    (City University of New York
    The City College of New York
    City University of New York)

Abstract

The emergence of new technological needs in 5 G/6 G networking and broadband satellite internet access amplifies the demand for innovative wireless communication hardware, including high-performance low-profile transceivers. In this context, antennas based on metasurfaces – artificial surfaces engineered to manipulate electromagnetic waves at will – represent highly promising solutions. In this article, we introduce leaky-wave metasurface antennas operating at micro/millimeter-wave frequencies that are designed using the principles of quasi-bound states in the continuum, exploiting judiciously tailored spatial symmetries that enable fully customized radiation. Specifically, we unveil additional degrees of control over leaky-wave radiation by demonstrating pointwise control of the amplitude, phase and polarization state of the metasurface aperture fields by carefully breaking relevant symmetries with tailored perturbations. We design and experimentally demonstrate metasurface antenna prototypes showcasing a variety of functionalities advancing capabilities in wireless communications, including single-input multi-output and multi-input multi-output near-field focusing, as well as far-field beam shaping.

Suggested Citation

  • Gengyu Xu & Adam Overvig & Yoshiaki Kasahara & Enrica Martini & Stefano Maci & Andrea Alù, 2023. "Arbitrary aperture synthesis with nonlocal leaky-wave metasurface antennas," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    • Handle: RePEc:nat:natcom:v:14:y:2023:i:1:d:10.1038_s41467-023-39818-2
    DOI: 10.1038/s41467-023-39818-2
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    Cited by:

    1. Shiqing Li & Kosmas L. Tsakmakidis & Tao Jiang & Qian Shen & Hang Zhang & Jinhua Yan & Shulin Sun & Linfang Shen, 2024. "Unidirectional guided-wave-driven metasurfaces for arbitrary wavefront control," Nature Communications, Nature, vol. 15(1), pages 1-11, December.

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