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Observation of second-order meron polarization textures in optical microcavities

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dc.abstract.enMulticomponent Bose–Einstein condensates, quantum Hall systems, and chiral magnetic materials display twists and knots in the continuous symmetries of their order parameters known as skyrmions. Originally discovered as solutions to the nonlinear sigma model in quantum field theory, these vectorial excitations are quantified by a topological winding number dictating their interactions and global properties of the host system. Here, we report the experimental observation of a stable individual second-order meron and antimeron appearing in an electromagnetic field. We realize these complex textures by confining light into a liquid-crystal-filled cavity that, through its anisotropic refractive index, provides an adjustable artificial photonic gauge field that couples the cavity photon motion to its polarization, resulting in the formation of these fundamental vectorial vortex states of light. Our observations could help bring topologically robust room-temperature optical vector textures into the field of photonic information processing and storage.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorKról, Mateusz
dc.contributor.authorMazur, Rafał
dc.contributor.authorSigurdsson, Helgi
dc.contributor.authorPiecek, Wiktor
dc.contributor.authorSzczytko, Jacek
dc.contributor.authorLagoudakis, Pavlos G.
dc.contributor.authorRechcińska, Katarzyna
dc.contributor.authorMorawiak, Przemysław
dc.contributor.authorKula, Przemysław
dc.contributor.authorBardyszewski, Witold
dc.contributor.authorTyszka, Krzysztof
dc.contributor.authorPiętka, Barbara
dc.contributor.authorOpala, Andrzej
dc.contributor.authorMatuszewski, Michał
dc.contributor.authorOliwa, Przemysław
dc.date.accessioned2024-01-25T14:41:02Z
dc.date.available2024-01-25T14:41:02Z
dc.date.copyright2021-02-16
dc.date.issued2021
dc.description.accesstimeAT_PUBLICATION
dc.description.financeŚrodki finansowe, o których mowa w art. 365 pkt. 2 ustawy
dc.description.number2
dc.description.versionFINAL_PUBLISHED
dc.description.volume8
dc.identifier.doi10.1364/OPTICA.414891
dc.identifier.issn2334-2536
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/114205
dc.identifier.weblinkhttps://www.osapublishing.org/viewmedia.cfm?URI=optica-8-2-255&seq=0
dc.languageeng
dc.pbn.affiliationphysical sciences
dc.relation.ispartofOptica
dc.relation.pages255-261
dc.rightsCC-BY
dc.sciencecloudnosend
dc.titleObservation of second-order meron polarization textures in optical microcavities
dc.typeJournalArticle
dspace.entity.typePublication