Peer-reviewed veterinary case report
Polarization dependent bound states in continuum in a tetramer metasurface discovered by random forest algorithm.
- Year:
- 2025
- Authors:
- Jia C et al.
- Affiliation:
- Department of Physics · China
Abstract
A tetramer metasurface with strong coupling of meta-atoms under C<sub>2</sub> symmetry is proposed to realize polarization-dependent bound states in continuum (BICs) with the random forest regressor algorithm assistance. The quality (Q) factor of quasi-BIC correlates with the centralization degree of the tetramer structure, which is determined by the photonic band characteristics. The quasi-BIC is dominated by a hybrid of electric dipole and quadrupole in E<sub>x</sub> polarization (Q > 10<sup>4</sup>), whereas only electric dipole dominates quasi-BIC (Q > 10<sup>3</sup>) in E<sub>y</sub> polarization. These findings demonstrate a novel strategy to achieve ultrahigh Q-factor resonances in terahertz photonics.
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Search related cases →Original publication: https://europepmc.org/article/MED/40745089