Observation of the amplification of spin-wave envelope solitons in ferromagnetic films by parallel magnetic pumping |
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| Authors: | B. A. Kalinikos N. G. Kovshikov M. P. Kostylev P. Kabos C. E. Patton |
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| Affiliation: | (1) St. Petersburg Electrical Engineering University, 197376 St. Petersburg, Russia;(2) Colorado State University, Fort Collins, Colorado, USA |
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| Abstract: | The propagation of envelope solitons of microwave-frequency spin waves in a spatially periodic field oriented parallel to the magnetic pump has been investigated experimentally. In a pulsed pumping regime with amplitude much greater than the threshold for parametric excitation of spin systems, amplification of spin-wave envelope solitons exceeding their natural damping was obtained. Pis’ma Zh. éksp. Teor. Fiz. 66, No. 5, 346–350 (10 September 1997) |
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