Parametric interaction of a spin wave pulse with localized nonstationary pumping: amplification and phase conjugation

Author

Melkov, G.A. ; Serga, A.A. ; Tiberkevich, V.S. ; Oliynyk, A.N. ; Bagada, A.V. ; Slavin, A.N.

Author_Institution

Radiophys. Fac., Taras Shevchenko Kiev Univ., Ukraine

Volume

35

Issue

5

fYear

1999

fDate

9/1/1999 12:00:00 AM

Firstpage

3157

Lastpage

3159

Abstract

Parametric interaction of a dipolar spin wave pulse with electromagnetic field of a localized nonstationary (pulsed) pumping is studied experimentally and theoretically in yttrium-iron garnet (YIG) films. This interaction leads to the effective amplification of the incident BVMSW pulse, and also to the formation of a phase-conjugated and amplified pulse propagating in the reverse direction. Numerical calculation of amplification and conjugation coefficients are in good quantitative agreement with experiment

Keywords

garnets; magnetic thin films; magnetostatic waves; microwave parametric amplifiers; spin waves; yttrium compounds; YFe5O12; YIG; amplified pulse; conjugation coefficients; dipolar spin wave pulse; electromagnetic field; incident BVMSW pulse; localized nonstationary pumping; parametric interaction; phase conjugation; phase-conjugated pulse; EMP radiation effects; Electromagnetic fields; Electromagnetic propagation; Garnet films; Magnetostatic waves; Optical films; Physics; Pulse amplifiers; Signal processing; Space vector pulse width modulation;

fLanguage

English

Journal_Title

Magnetics, IEEE Transactions on

Publisher

ieee

ISSN

0018-9464

Type

jour

DOI

10.1109/20.801113

Filename

801113