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Ultrafast all-optical control of the magnetization in magnetic dielectrics

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dc.contributor.author Kirilyuk, A.
dc.contributor.author Kimel, A.
dc.contributor.author Pisarev, R.V.
dc.contributor.author Hansteen, F.
dc.contributor.author Rasing, T.
dc.date.accessioned 2017-06-11T16:46:19Z
dc.date.available 2017-06-11T16:46:19Z
dc.date.issued 2006
dc.identifier.citation Ultrafast all-optical control of the magnetization in magnetic dielectrics / A. Kirilyuk, A. Kimel, F. Hansteen, R.V. Pisarev, T. Rasing // Физика низких температур. — 2006. — Т. 32, № 8-9. — С. 985–1009. — Бібліогр.: 106 назв. — англ. uk_UA
dc.identifier.issn 0132-6414
dc.identifier.other PACS: 78.47.+p, 78.20.Ls, 75.30.Gw, 75.40.Gb
dc.identifier.uri http://dspace.nbuv.gov.ua/handle/123456789/120330
dc.description.abstract The purpose of this review is to summarize the recent progress on laser-induced magnetization dynamics in magnetic dielectrics. Due to the slow phonon–magnon interaction in these materials, direct thermal effects of the laser excitation can only be seen on the time scale of almost a nanosecond and thus are clearly distinguished from the ultrafast nonthermal effects. However, via the crystal field, laser pulses are shown to indirectly modify the magnetic anisotropy in rare-earth orthoferrites and lead to the spin reorientation within a few picoseconds. More interesting, however, are the direct nonthermal effects of light on spin systems. We demonstrate coherent optical control of the magnetization in ferrimagnetic garnet films on a femtosecond time scale through a combination of two different ultrafast and nonthermal photomagnetic effects and by employing multiple pump pulses. Linearly polarized laser pulses are shown to create a long-lived modification of the magnetocrystalline anisotropy via optically induced electron transfer between nonequivalent ion sites. In addition, circularly polarized pulses are shown to act as strong transient magnetic field pulses originating from the nonabsorptive inverse Faraday effect. An all-optical scheme of excitation and detection of different antiferromagnetic resonance modes with frequencies of up to 500 GHz will be discussed as well. The reported effects open new and exciting possibilities for ultrafast manipulation of spins by light, and provide new insight into the physics of magnetism on ultrafast time scales. uk_UA
dc.description.sponsorship This work was supported by The Norwegian Research Council, The European RTN network DYNAMICS,Nederlandse Organisatie voor Wetenschappelijk Onderzoek (NWO), Stichting voor Fundamenteel Onderzoek der Materie (FOM) and the Russian Foundation for Basic Research (RFBR). uk_UA
dc.language.iso en uk_UA
dc.publisher Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України uk_UA
dc.relation.ispartof Физика низких температур
dc.subject К 100-летию со дня рождения Б.Г. Лазарева uk_UA
dc.title Ultrafast all-optical control of the magnetization in magnetic dielectrics uk_UA
dc.type Article uk_UA
dc.status published earlier uk_UA

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