Abstract
The second optical harmonic generation and magnetooptical Kerr effect are investigated for the light (λ=800 nm) reflected by ferromagnet-semiconductor heterostructures CaF2/MnAs/Si(111). The observed change in the second-harmonic intensity is odd in magnetization. A phenomenological analysis of possible contributions to the second harmonic is carried out, and the sources of optically nonlinear signals are determined from the experimental azimuthal dependences of the light intensity at double frequency. The difference in the field dependences of the second harmonic and the magnetooptical Kerr effect is observed.
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Translated from Fizika Tverdogo Tela, Vol. 42, No. 5, 2000, pp. 884–892.
Original Russian Text Copyright © 2000 by Banshchikov, Kimel’, Pavlov, Pisarev, Sokolov, Rasing.
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Banshchikov, A.G., Kimel’, A.V., Pavlov, V.V. et al. Generation of second optical harmonic and magnetooptical Kerr effect in ferromagnet-semiconductor heterostructures CaF2/MnAs/Si(111). Phys. Solid State 42, 909–917 (2000). https://doi.org/10.1134/1.1131311
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DOI: https://doi.org/10.1134/1.1131311