Magnetically tuned continuous transition from weak to strong coupling in terahertz magnon polaritons

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dc.citation.articleNumberL012039en_US
dc.citation.issueNumber1en_US
dc.citation.journalTitlePhysical Review Researchen_US
dc.citation.volumeNumber5en_US
dc.contributor.authorBaydin, Andreyen_US
dc.contributor.authorHayashida, Kenjien_US
dc.contributor.authorMakihara, Takumaen_US
dc.contributor.authorTay, Fuyangen_US
dc.contributor.authorMa, Xiaoxuanen_US
dc.contributor.authorRen, Weien_US
dc.contributor.authorMa, Guohongen_US
dc.contributor.authorNoe, G. Timothyen_US
dc.contributor.authorKatayama, Ikufumien_US
dc.contributor.authorTakeda, Junen_US
dc.contributor.authorNojiri, Hiroyukien_US
dc.contributor.authorCao, Shixunen_US
dc.contributor.authorBamba, Motoakien_US
dc.contributor.authorKono, Junichiroen_US
dc.contributor.orgSmalley-Curl Instituteen_US
dc.date.accessioned2023-04-25T14:47:54Zen_US
dc.date.available2023-04-25T14:47:54Zen_US
dc.date.issued2023en_US
dc.description.abstractDepending on the relative rates of coupling and dissipation, a light-matter coupled system is either in the weak- or strong-coupling regime. Here, we present a unique system where the coupling rate continuously increases with an externally applied magnetic field while the dissipation rate remains constant, allowing us to monitor a weak-to-strong coupling transition as a function of magnetic field. We observed a Rabi splitting of a terahertz magnon mode in yttrium orthoferrite above a threshold magnetic field of ∼14 T. Based on a microscopic theoretical model, we show that with increasing magnetic field the magnons transition into magnon polaritons through an exceptional point, which will open up new opportunities for in situ control of non-Hermitian systems.en_US
dc.identifier.citationBaydin, Andrey, Hayashida, Kenji, Makihara, Takuma, et al.. "Magnetically tuned continuous transition from weak to strong coupling in terahertz magnon polaritons." <i>Physical Review Research,</i> 5, no. 1 (2023) American Physical Society: https://doi.org/10.1103/PhysRevResearch.5.L012039.en_US
dc.identifier.digitalPhysRevResearch-5-L012039en_US
dc.identifier.doihttps://doi.org/10.1103/PhysRevResearch.5.L012039en_US
dc.identifier.urihttps://hdl.handle.net/1911/114826en_US
dc.language.isoengen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsPublished by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI.en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en_US
dc.titleMagnetically tuned continuous transition from weak to strong coupling in terahertz magnon polaritonsen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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