Abstract
A strong collinear magneto-optical interaction of guided light with an intensive forward volume spin wave (SW) has been studied in a normally magnetized film. A numerical perturbation technique has been developed to quantify the effects, which accompany the optical diffraction. Extensive numerical simulations of the magneto-optical diffraction by the SW affected by nonlinear automodulation were carried out. The parameters of interaction related to automodulation mechanisms were varied within a wide range of values, covering most practical situations. Specifically, the automodulation frequency assumed values of 1 MHz<F<100 MHz, and the index of phase modulation, linear in modulation instability threshold, the values of 1<v<4.
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