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Nonlinear magneto-optical diffraction by two-dimensional magnetic superstructures |
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| Authors: | I.L. Lyubchanskii N.N. Dadoenkova M.I. Lyubchanskii E.A. Shapovalov A.E. Zabolotin K.Y. Guslienko T. Rasing |
| Affiliation: | (1) Donetsk Physical & Technical Institute of the National Academy of Sciences of Ukraine, Donetsk, 83114, Ukraine, UA;(2) Max-Planck-Institut für Mikrostrukturphysik, Weinberg 2, 06120 Halle (Saale), Germany, DE;(3) Department of Physics, Donetsk National University, 83055, Donetsk, Ukraine, UA;(4) Seagate Research, Pittsburg, PA 15203-2116, USA, US;(5) University of Nijmegen, 6525 ED, Nijmegen, The Netherlands, NL |
| Abstract: | Nonlinear (at the second-harmonic frequency of the incident light) optical reflection by two-dimensional magnetic superstructures is theoretically studied. A square lattice of magnetic dots and a hexagonal lattice of magnetic bubbles (cylindrical magnetic domains) are considered. Because the periods of these structures are comparable with the wavelengths of the fundamental and the second-harmonic radiation, it would be possible to observe diffraction at the second-harmonic frequency. A polarization analysis of nonlinearly diffracted radiation is performed and the numbers of observable diffraction orders for the above structures are estimated. Received: 10 January 2002 / Published online: 11 June 2002 |
| Keywords: | PACS: 78.20.Ls 73.20.At 78.66.Bz |
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