Power dependent velocities of microwave envelope solitons [in YIG films]

• Published in: IEEE transactions on magnetics Vol. 35; no. 5; pp. 3169 - 3171
• Main Authors: Yashiro, K., Ohkawa, S., Zaspel, C.E.
• Format: Journal Article Conference Proceeding
• Language: English
• Published: New York, NY IEEE 01-09-1999; Institute of Electrical and Electronics Engineers
• Subjects: Condensed matter: electronic structure, electrical, magnetic, and optical properties; Dispersion; Exact sciences and technology; Magnetic properties and materials; Magnetic properties of monolayers and thin films; Magnetic properties of surface, thin films and multilayers; Magnetostatic waves; Microwave technology; Nonlinear equations; Physics; Power system modeling; Solitons; Space vector pulse width modulation; Transistors; Velocity measurement; Thin films; Signal envelope; Magnetostatics; Wave propagation; Solitons; Theoretical study; Magnetic thin films; Magnetic properties
• ISSN: 0018-9464; 1941-0069
• DOI: 10.1109/20.801117

Microwave envelope solitons propagating in magnetic thin films experience both linear and nonlinear dispersive effects. The nonlinear dispersive effects lead to an amplitude dependent soliton velocity, which can be directly measured in thin film experiments. However, dissipation is an important effect that must be considered in typical thin films. In this work we investigate the effect of dissipation on the amplitude dependence of the soliton velocity. This is done by numerical simulations including nonlinear dispersion, and it is shown that this amplitude dependence of the soliton velocity remains a measurable effect even with significant dissipation.