Abstract

A theoretical analysis of the nonlinear properties of exchange-free magnetostatic surface waves in a layered structure containing ferromagnet and semiconductor films is presented. Criteria for the existence of bright surface spin wave envelope solitons are given. Their existence is only guaranteed for rather particular regions of the spin wave spectrum. These are demonstrated numerically by using yttrium iron garnet-indium antimonide and yttrium iron garnet-gallium arsenide structures.

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