Magneto-induced second harmonic generation in magnetic low-dimensional systems and nanostructures: nonlinear optics of time-irreversible materials

Oleg A. Aktsipetrov; Andrew A. Fedyanin; G. B. Khomutov; Tatyana V. Murzina

doi:10.1117/12.342357

15 March 1999 Magneto-induced second harmonic generation in magnetic low-dimensional systems and nanostructures: nonlinear optics of time-irreversible materials

Oleg A. Aktsipetrov, Andrew A. Fedyanin, G. B. Khomutov, Tatyana V. Murzina

Author Affiliations +

Proceedings Volume 3734, ICONO '98: Fundamental Aspects of Laser-Matter Interaction and New Nonlinear Optical Materials and Physics of Low-Dimensional Structures; (1999) https://doi.org/10.1117/12.342357
Event: ICONO '98: Laser Spectroscopy and Optical Diagnostics: Novel Trends and Applications in Laser Chemistry, Biophysics, and Biomedicine, 1998, Moscow, Russian Federation

Abstract

In this paper, we survey our previous and recent results of magneto-induced effects in second harmonic generation (SHG) from magnetic nanostructures. The degree of such effects is governed by the fine structure parameter and subsequently small in low order susceptibilities, yet enhanced at higher orders. One mechanism responsible for the enhancement of magneto-induced contributions to the SHG intensity is related to optical interference in the far-field region of the second harmonic fields generated by nonmagnetic and magneto-induced nonlinear polarizations. An interference model is considered for resonant and nonresonant, centrosymmetric and noncentrosymmetric media and is used to interpret the magneto-induced SHG results of Co nanocrystals and Gd monolayers.

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Oleg A. Aktsipetrov, Andrew A. Fedyanin, G. B. Khomutov, and Tatyana V. Murzina "Magneto-induced second harmonic generation in magnetic low-dimensional systems and nanostructures: nonlinear optics of time-irreversible materials", Proc. SPIE 3734, ICONO '98: Fundamental Aspects of Laser-Matter Interaction and New Nonlinear Optical Materials and Physics of Low-Dimensional Structures, (15 March 1999); https://doi.org/10.1117/12.342357

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