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      Highly one-way electromagnetic wave transmission based on outcoupling of surface plasmon polaritons to radiation modes

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      Author(s)
      Khalichi, Bahram
      Omam, Zahra Rahimian
      Osgouei, Ataollah Kalantari
      Ghobadi, Amir
      Özbay, Ekmel
      Date
      2022-09-21
      Source Title
      Antennas and Propagation Society International Symposium
      Publisher
      Institute of Electrical and Electronics Engineers
      Pages
      912 - 913
      Language
      English
      Type
      Conference Paper
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      Abstract
      Unidirectional transmission of electromagnetic waves has attracted great interest due to its wide modern optical applications. This study theoretically demonstrates a one-way transmissive optical device with a high-contrast forward-to-backward ratio at the near-infrared region. The polarization-independent optical diode-like mechanism is designed using a metasurface diffraction grating configuration with symmetry breaking property along the wave propagation in which the working principle is based on the excitation of surface plasmon modes at the interfaces of thin metallic interlayer and their coupling to the radiation modes.
      Keywords
      Asymmetric transmission
      Diode-like behavior
      Diffraction grating
      Metasurface
      Long- and short-range surface plasmon polaritons
      Permalink
      http://hdl.handle.net/11693/111839
      Published Version (Please cite this version)
      https://doi.org/10.1109/AP-S/USNC-URSI47032.2022.9886208
      Collections
      • Department of Electrical and Electronics Engineering 4011
      • Department of Physics 2550
      • Institute of Materials Science and Nanotechnology (UNAM) 2258
      • Nanotechnology Research Center (NANOTAM) 1179
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