Volume 77, Number 5, March 2007
|Number of page(s)||5|
|Section||Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties|
|Published online||19 February 2007|
Linear and nonlinear phase accumulation of backward volume magnetostatic spin waves in yttrium-iron-garnet spin-wave waveguides
Fachbereich Physik, TU Kaiserslautern - Erwin-Schrödinger-Str. 56, 67663 Kaiserslautern, Germany
2 School of Physics, M013, University of Western Australia - 35 Stirling Highway, Crawley, WA 6009, Australia
Corresponding author: email@example.com
Accepted: 5 January 2007
Using the newly developed phase-sensitive Brillouin light scattering spectroscopy technique we investigate the nonlinear influence of the spin-wave amplitude on the spin-wave phase. Nonlinear phase splitting between the peak and the tail of nonlinear spin-wave pulses was observed for dipolar-dominated spin-wave pulses propagating in yttrium-iron-garnet spin-wave waveguides. A model to describe this effect is presented.
PACS: 75.30.Ds – Spin waves / 78.35.+c – Brillouin and Rayleigh scattering; other light scattering / 05.45.-a – Nonlinear dynamics and chaos
© Europhysics Letters Association, 2007
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