Anisotropic magnetization-induced second harmonic generation in Fe/Au superlattices

K. Sato, A. Kodama, M. Miyamoto, A. V. Petukhov, K. Takanashi, S. Mitani, H. Fujimori, A. Kirilyuk, Th Rasing

Research output: Contribution to journalArticlepeer-review

30 Citations (Scopus)


The anisotropic nonlinear magneto-optical response from Fe/Au(001) superlattices is studied. Perfect single-crystalline order through the whole thickness of the multilayer is observed. The magneto-optical signals are measured in both the longitudinal and transversal configurations. A strong fourfold anisotropy of nonlinear Kerr rotation angle is demonstrated, in addition to the anisotropic second harmonic intensity changes. The results are described in terms of a simple phenomenological model, that involve both dipole and quadrupole nonlinear-optical interactions. Furthermore, general, model-independent symmetry properties of the nonlinear magneto-optical response are established.

Original languageEnglish
JournalPhysical Review B - Condensed Matter and Materials Physics
Issue number18
Publication statusPublished - 2001

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics


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