Direct phonon excitation in semiconductors by ultrashort intense THz radiation
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Ultrashort intense THz radiation generated through laser filamentation in air is employed to directly excite the lattice of AlGaAs semi-insulating crystals. Incoherent as well as coherent phonons are shown to be excited in this way. © 2009 Optical society of America.
author list (cited authors)
Manceau, J. M., Loukakos, P. A., Tzortzakis, S., & IEEE, ..