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Nonlinear Faraday effect and spin noise in rare-earth activated crystals

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dc.contributor.author Kamenskii A.N.
dc.contributor.author Baibekov E.I.
dc.contributor.author Malkin B.Z.
dc.contributor.author Kozlov G.G.
dc.contributor.author Bayer M.
dc.contributor.author Greilich A.
dc.contributor.author Zapasskii V.S.
dc.date.accessioned 2022-02-09T20:48:37Z
dc.date.available 2022-02-09T20:48:37Z
dc.date.issued 2021
dc.identifier.issn 2469-9950
dc.identifier.uri https://dspace.kpfu.ru/xmlui/handle/net/170443
dc.description.abstract The spin-noise spectroscopy (SNS) method implies high efficiency of conversion of the spin-system magnetization to the Faraday rotation angle. Generally, this efficiency cannot be estimated using the characteristics of the regular magnetooptical activity of a paramagnet. However, it may be drastically enhanced in systems with strong inhomogeneous broadening of the optical transitions. This enhancement leads to the giant spin-noise gain effect and previously allowed one to apply the SNS to rare-earth activated crystals. We show that the nonlinear resonant Faraday effect can be used to measure the homogeneous width of the inhomogeneously broadened transition and, thus, to estimate the applicability of the SNS to this type of paramagnet. We present the theoretical description of the effect and perform measurements on intraconfigurational (4f-4f) transitions of the trivalent rare-earth ions of neodymium and ytterbium in fluorite-based crystals. The proposed experimental approach establishes new links between the effects of nonlinear optics and spin-noise characteristics of crystals with paramagnetic impurities and offers new methods of research in the physics of impurity crystals.
dc.relation.ispartofseries Physical Review B
dc.title Nonlinear Faraday effect and spin noise in rare-earth activated crystals
dc.type Article
dc.relation.ispartofseries-issue 17
dc.relation.ispartofseries-volume 104
dc.collection Публикации сотрудников КФУ
dc.source.id SCOPUS24699950-2021-104-17-SID85120385065


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  • Публикации сотрудников КФУ Scopus [24551]
    Коллекция содержит публикации сотрудников Казанского федерального (до 2010 года Казанского государственного) университета, проиндексированные в БД Scopus, начиная с 1970г.

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