Magnetization-induced second harmonic generation in ultrathin Au/Co/Au films

C. Malouin; Gilles Tessier; Patrick M. Georges; Alain Brun; V. V. Pavlov; Peter Meyer; Jacques Ferre; P. Beauvillain; V. Mathet

doi:10.1117/12.340065

28 January 1999 Magnetization-induced second harmonic generation in ultrathin Au/Co/Au films

C. Malouin, Gilles Tessier, Patrick M. Georges, Alain Brun, V. V. Pavlov, Peter Meyer, Jacques Ferre, P. Beauvillain, V. Mathet

Author Affiliations +

Proceedings Volume 3733, ICONO '98: Nonlinear Optical Phenomena and Coherent Optics in Information Technologies; (1999) https://doi.org/10.1117/12.340065
Event: ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, 1998, Moscow, Russian Federation

Abstract

Ultrathin magnetic cobalt-based Au/Co/Au trilayers have been studied by the optical second harmonic generation (SHG) and by the linear magneto-optical Kerr effect (MOKE). We show that SHG has a selective interface and surface sensitivity, whereas MOKE is bulk-sensitive. SHG was used to probe the surface plasmon resonance in Au/Co/Au films. The resonant coupling of surface plasmons with SHG, results in an enhancement and sign reversal of nonlinear magneto-optical effects. Model calculations of the observed phenomena are given on the basis of a nonlocal field theory, which permits to distinguish the different interface contributions to SHG.

Citation Download Citation

C. Malouin, Gilles Tessier, Patrick M. Georges, Alain Brun, V. V. Pavlov, Peter Meyer, Jacques Ferre, P. Beauvillain, and V. Mathet "Magnetization-induced second harmonic generation in ultrathin Au/Co/Au films", Proc. SPIE 3733, ICONO '98: Nonlinear Optical Phenomena and Coherent Optics in Information Technologies, (28 January 1999); https://doi.org/10.1117/12.340065

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