Abstract
Nonlinearity is important for a wide variety of engineering applications. Magnon scattering processes can be exploited in order to realize energy-efficient magnonic devices. The ability of an additional secondary microwave signal in modifying such nonlinear behavior becomes important in the context of dynamic control of nonlinearity. However, an application-oriented study of the nonlinearity dependence on various parameters remains to be carried out. In this work, we demonstrate the dependence of threshold field intensity on intrinsic damping and the field intensity of the secondary signal. The secondary frequency at which the threshold attains the maxima is shown to scale with the intrinsic damping. In addition, the increase in the intensity of the secondary frequency is found to increase the primary threshold field, thus allowing for dynamic control of nonlinearity. We also explain the position of cusps that occur in the threshold field intensity as the secondary signal frequency is varied.
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