PARAMETRIC AMPLIFICATION OF PROPAGATING SPIN-WAVES IN FERRITE FILMS

Citation
Ba. Kalinikos et al., PARAMETRIC AMPLIFICATION OF PROPAGATING SPIN-WAVES IN FERRITE FILMS, Journal de physique. IV, 7(C1), 1997, pp. 455-456
Citations number
1
Categorie Soggetti
Physics
Journal title
ISSN journal
11554339
Volume
7
Issue
C1
Year of publication
1997
Pages
455 - 456
Database
ISI
SICI code
1155-4339(1997)7:C1<455:PAOPSI>2.0.ZU;2-0
Abstract
Amplification of a weak signal spin wave by a strong pump spin wave pr opagating 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.