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Tunable optical spin Hall effect in a liquid crystal microcavity

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dc.abstract.enThe spin Hall effect, a key enabler in the field of spintronics, underlies the capability to control spin currents over macroscopic distances. The effect was initially predicted by D'Yakonov and Perel(1) and has been recently brought to the foreground by its realization in paramagnetic metals by Hirsch(2) and in semiconductors(3) by Sih et al. Whereas the rapid dephasing of electrons poses severe limitations to the manipulation of macroscopic spin currents, the concept of replacing fermionic charges with neutral bosons such as photons in stratified media has brought some tangible advances in terms of comparatively lossless propagation and ease of detection(4-7). These advances have led to several manifestations of the spin Hall effect with light, ranging from semiconductor microcavities(8,9) to metasurfaces(10). To date the observations have been limited to built-in effective magnetic fields that underpin the formation of spatial spin currents. Here we demonstrate external control of spin currents by modulating the splitting between transverse electric and magnetic fields in liquid crystals integrated in microcavities.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorMazur, Rafał
dc.contributor.authorKról, Mateusz
dc.contributor.authorPiecek, Wiktor
dc.contributor.authorLagoudakis, Pavlos G.
dc.contributor.authorRechcińska, Katarzyna
dc.contributor.authorMorawiak, Przemysław
dc.contributor.authorStephan, Daniel
dc.contributor.authorMirek, Rafał
dc.contributor.authorKula, Przemysław
dc.contributor.authorSzczytko, Jacek
dc.contributor.authorPiętka, Barbara
dc.contributor.authorŁempicka, Karolina
dc.date.accessioned2024-01-26T11:07:39Z
dc.date.available2024-01-26T11:07:39Z
dc.date.issued2018
dc.description.financeNie dotyczy
dc.description.volume7
dc.identifier.doi10.1038/S41377-018-0076-Z
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/123879
dc.identifier.weblinkhttps://www.nature.com/articles/s41377-018-0076-z
dc.languageeng
dc.pbn.affiliationphysical sciences
dc.relation.ispartofLight: Science and Applications
dc.relation.pages74
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.titleTunable optical spin Hall effect in a liquid crystal microcavity
dc.typeJournalArticle
dspace.entity.typePublication