Frequency and wavenumber selective excitation of spin waves through coherent energy transfer from elastic waves
Johansen, Tom H.
Condensed Matter - Materials Science
arxiv: Condensed Matter::Strongly Correlated Electrons | Condensed Matter::Materials Science
Using spin-wave tomography (SWaT), we have investigated the excitation and the propagation dynamics of optically-excited magnetoelastic waves, i.e. hybridized modes of spin waves and elastic waves, in a garnet film. By using time-resolved SWaT, we reveal the excitation ...