Fig. 3
From: Decoherence in spin wave propagation via precursor pulses during signal equilibration
(a) Time evolution of a signal driven at \(f_d=\) 12.54 THz, where the dashed line indicates the the arrival time for a signal with frequency \(f_d\), and (b) FFT of the signal where the precursors can be seen to lie to the left of \(f_d\).
