most citedNear-bandgap wavelength-dependent studies of long-lived traveling coherent longitudinal acoustic phonon oscillations in GaSb/GaAs systems

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cond-mat.mtrl-sci2007★ 50 cited

Coherent Magnetization Precession in GaMnAs induced by Ultrafast Optical Excitation

J. Qi, Y. Xu, N. Tolk +3

We use femtosecond optical pulses to induce, control and monitor magnetization precession in ferromagnetic Ga0.965Mn0.035As. At temperatures below ~40 K we observe coherent oscilla…