ArticleScience advances2023
Bound chiral magnonic polariton states for ideal microwave isolation.
Article in Science advances, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Unidirectional exceptional point of reflectionless states in a magnonic mirror array.Science advances · 2026Article
- Enhancement of signal-to-noise ratio at a high-order exceptional point of coherent perfect absorption.Nature communications · 2026Article
- Observation of perfect absorption in hyperfine levels of molecular spins with hermitian subspaces.Nature communications · 2025Article
- Spectral decoupling regulation through targeted ion migration in electro-optical resonators.Nature communications · 2025Article
- Unidirectional perfect absorption induced by chiral coupling in spin-momentum locked waveguide magnonics.Nature communications · 2025Article
- Magnetic-field controlled on-off switchable non-reciprocal negative refractive index in non-Hermitian photon-magnon hybrid systems.Nature communications · 2024Article
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Bound states in the continuum (BICs) present a unique solution for eliminating radiation loss. So far, most reported BICs are observed in transmission spectra, with only a few exceptions being in reflection spectra. The correlation between reflection BICs (r-BICs) and transmission BICs (t-BICs) remains unclear. Here, we report the presence of both r-BICs and t-BICs in a three-mode cavity magnonics. We develop a generalized framework of non-Hermitian scattering Hamiltonians to explain the observed bidirectional r-BICs and unidirectional t-BICs. In addition, we find the emergence of an ideal isolation point in the complex frequency plane, where the isolation direction can be switched by fine frequency detuning, thanks to chiral symmetry protection. Our results demonstrate the potential of cavity magnonics and also extend the conventional BICs theory through the application of a more generalized effective Hamiltonians theory. This work offers an alternative idea for designing functional devices in general wave optics.
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Registered trials
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