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Nanoscale magnonic Fabry-Pérot resonator for low-loss spin-wave manipulation

Author

Listed:
  • Huajun Qin

    (Aalto University School of Science)

  • Rasmus B. Holländer

    (Aalto University School of Science)

  • Lukáš Flajšman

    (Aalto University School of Science)

  • Felix Hermann

    (Aalto University School of Science
    Physikalisches Institut, Karlsruhe Institute of Technology)

  • Rouven Dreyer

    (Martin Luther University Halle-Wittenberg)

  • Georg Woltersdorf

    (Martin Luther University Halle-Wittenberg)

  • Sebastiaan van Dijken

    (Aalto University School of Science)

Abstract

Active control of propagating spin waves on the nanoscale is essential for beyond-CMOS magnonic computing. Here, we experimentally demonstrate reconfigurable spin-wave transport in a hybrid YIG-based material structure that operates as a Fabry-Pérot nanoresonator. The magnonic resonator is formed by a local frequency downshift of the spin-wave dispersion relation in a continuous YIG film caused by dynamic dipolar coupling to a ferromagnetic metal nanostripe. Drastic downscaling of the spin-wave wavelength within the bilayer region enables programmable control of propagating spin waves on a length scale that is only a fraction of their wavelength. Depending on the stripe width, the device structure offers full nonreciprocity, tunable spin-wave filtering, and nearly zero transmission loss at allowed frequencies. Our results provide a practical route for the implementation of low-loss YIG-based magnonic devices with controllable transport properties.

Suggested Citation

  • Huajun Qin & Rasmus B. Holländer & Lukáš Flajšman & Felix Hermann & Rouven Dreyer & Georg Woltersdorf & Sebastiaan van Dijken, 2021. "Nanoscale magnonic Fabry-Pérot resonator for low-loss spin-wave manipulation," Nature Communications, Nature, vol. 12(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-22520-6
    DOI: 10.1038/s41467-021-22520-6
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    Cited by:

    1. H. Merbouche & B. Divinskiy & D. Gouéré & R. Lebrun & A. El Kanj & V. Cros & P. Bortolotti & A. Anane & S. O. Demokritov & V. E. Demidov, 2024. "True amplification of spin waves in magnonic nano-waveguides," Nature Communications, Nature, vol. 15(1), pages 1-8, December.
    2. Rouven Dreyer & Alexander F. Schäffer & Hans G. Bauer & Niklas Liebing & Jamal Berakdar & Georg Woltersdorf, 2022. "Imaging and phase-locking of non-linear spin waves," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    3. Korbinian Baumgaertl & Dirk Grundler, 2023. "Reversal of nanomagnets by propagating magnons in ferrimagnetic yttrium iron garnet enabling nonvolatile magnon memory," Nature Communications, Nature, vol. 14(1), pages 1-8, December.

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