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arXiv · 1505.07447

Excitation of magnetic precession in bismuth iron garnet via a polarization-independent impulsive photomagnetic effect

Benny Koene·Marwan Deb·Elena Popova·Niels Keller·Theo Rasing·Andrei Kirilyuk
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Abstract

A polarization-independent, nonthermal optical effect on the magnetization in bismuth iron garnet is found, in addition to the circular polarization-dependent inverse Faraday effect and the linear polarization-dependent photoinduced magnetic anisotropy. Its impulsive character is demonstrated by the field dependence of the amplitude of the resulting precession, which cannot be explained by a long-living photo or heat-induced anisotropy.

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Benny Koene, Marwan Deb, Elena Popova, Niels Keller, Theo Rasing, Andrei Kirilyuk. 2015-05-27. Excitation of magnetic precession in bismuth iron garnet via a polarization-independent impulsive photomagnetic effect. https://doi.org/10.1103/physrevb.91.184415

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