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Magnetization-induced second harmonic generation enhanced by surface plasmons in Au/Co/Au ultrathin films

Abstract : Magnetization-induced second-harmonic generation near the surface plasmon resonance in an ultrathin Au/Co/Au structure has been investigated. The resonant coupling of surface plasmons at the fundamental frequency results in a strong enhancement and sign reversal of the nonlinear magneto-optical effects. Model calculations of the observed phenomena are given on the basis of a nonlocal field theory which permits the different interface contributions to the nonlinear polarization P(2ω) to be distinguished.
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https://hal-iogs.archives-ouvertes.fr/hal-00761550
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Submitted on : Friday, August 26, 2022 - 12:55:51 PM
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Gilles Tessier, C. Malouin, Patrick Georges, Alain Brun, D. Renard, et al.. Magnetization-induced second harmonic generation enhanced by surface plasmons in Au/Co/Au ultrathin films. Applied Physics B - Laser and Optics, Springer Verlag, 1999, 68 (3), pp.545-548. ⟨10.1007/s003400050663⟩. ⟨hal-00761550⟩

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