Issue
J. Phys. IV France
Volume 07, Number C1, Mars 1997
7th INTERNATIONAL CONFERENCE ON FERRITES
Page(s) C1-455 - C1-456
DOI https://doi.org/10.1051/jp4:19971185
7th INTERNATIONAL CONFERENCE ON FERRITES

J. Phys. IV France 07 (1997) C1-455-C1-456

DOI: 10.1051/jp4:19971185

Parametric Amplification of Propagating Spin Waves in Ferrite Films

B.A. Kalinikos1, N.G. Kovshikov1, M.P. Kostylev1 and H. Benner2

1  St. Petersburg Electrotechnical University, 197376, St. Petersburg, Russia
2  Institut für Festkörperphysik, Technische Hochschule Darmstadt, 64289, Darmstadt, Germany


Abstract
Amplification of a weak signal spin wave by a strong pump spin wave propagating in yttrium iron garnet film was observed for the first time. A theoretical explanation of this effect is given on the basis of the four-wave parametric processes.



© EDP Sciences 1997