Micromagnetic investigation of all-optical switching |
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Authors: | Iulian Petrila Florin Tudorache Sorin Tascu |
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Affiliation: | Research Center on Advanced Materials and Technologies, Faculty of Physics, Alexandru Ioan Cuza University of Iasi, Blvd. Carol I, nr. 11, 700506 Iasi, Romania |
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Abstract: | This Letter investigates all-optical magnetization switching from micromagnetic perspective. The influence of circularly polarized light on a magnetic sample was considered to be both directly through the inverse Faraday effect and indirectly aided by thermal induced effects by the laser beam. Dependence of all-optical switching on pulse duration, laser intensity and the magneto-optical susceptibility strength is studied. An important aspect of this investigation is the analysis of how the cooling process influences the successive switches, especially through limiting the successive writing time. |
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Keywords: | Optical switch Magnetic switch Inverse Faraday effect Magnetization reversal Dynamic properties |
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