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Magnetic Quasi-Bound State in the Continuum for Wireless Power Transfer

Yaozu Xie, Zhanyuan Zhang, Ye Lin, Tianhua Feng, and Yi Xu
Phys. Rev. Applied 15, 044024 – Published 14 April 2021
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Abstract

Quasi-bound states in the continuum (BICs) of metasurfaces are electromagnetic resonances with a high-quality (Q) factor embedded in a radiative continuum. The magnetic dipole type of the quasi-BIC (quasi-MDBIC) is associated with resonant enhancement of magnetic field near the metasurface. Here we show that the quasi-MDBIC of a compact dielectric metasurface can provide resonant enhancement of wireless power transfer (WPT) to single and multiple receivers. Furthermore, the proposed physical mechanism can also be applied in the resonant coupling WPT systems. It is anticipated that our results can be generalized and applied in other physical systems.

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  • Received 12 November 2020
  • Revised 7 February 2021
  • Accepted 8 March 2021

DOI:https://doi.org/10.1103/PhysRevApplied.15.044024

© 2021 American Physical Society

Physics Subject Headings (PhySH)

Condensed Matter, Materials & Applied Physics

Authors & Affiliations

Yaozu Xie, Zhanyuan Zhang, Ye Lin, Tianhua Feng, and Yi Xu*

  • Department of Electronic Engineering, College of Information Science and Technology, Jinan University, Guangzhou 510632, China

  • *yi.xu@osamember.org

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Vol. 15, Iss. 4 — April 2021

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