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Spin-wave frequency combs

delete2022-09-14
delete33
delete
OA
AI
T
Tobias Hula
K
Katrin Schultheiß
F
F. J. T. Gonçalves
K
Koerber, L.
M
Mauricio Bejarano
M
M. Copus
L
Lukas Liensberger
A
Aleksandr Buzdakov
A
Attila Kákay
M
Mathias Weiler
R
R. E. Camley
J
J. Faßbender
H
Helmut Schultheiß *
DOI：10.1063/5.0090033delete
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Abstract

Abstract

En 中文
We experimentally demonstrate the generation of spin-wave frequency combs based on the nonlinear interaction of propagating spin waves in a microstructured waveguide. By means of time- and space-resolved Brillouin light scattering spectroscopy, we show that the simultaneous excitation of spin waves with different frequencies leads to a cascade of four-magnon scattering events, which ultimately results in well-defined frequency combs. Their spectral weight can be tuned by the choice of amplitude and frequency of the input signals. Furthermore, we introduce a model for stimulated four-magnon scattering, which describes the formation of spin-wave frequency combs in the frequency and time domain.
Keywords:
FERROMAGNETIC-RESONANCE
MAGNETOSTATIC WAVES
ENVELOPE SOLITONS
PROPAGATION
MODULATION
PULSES
FILMS

Journal

Applied Physics Letters cover
Applied Physics Letters
IF:
3.6
Papers:
10.4W
Citations:
17.8W

Organization

University of Colorado System cover
University of Colorado System
Scholars:
6.3W
Papers: 5.5W
Citations: 1.8K
H
Helmholtz Association
Scholars:
13.2W
Papers: 10.7W
Citations: 145
T
Technische Universitat Dresden
Scholars:
3.2W
Papers: 2.5W
Citations: 249
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