Direct acoustic phonon excitation by intense and ultrashort terahertz pulses

J. M. Manceau, P. A. Loukakos, S. Tzortzakis

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We report on the direct and resonant excitation of acoustic phonons in an AlGaAs intrinsic semiconductor using intense coherent and single cycle terahertz pulses created by two-color femtosecond laser pulse filamentation in air. While the electrons are left unperturbed, we follow the lattice dynamics with time-delayed optical photons tuned to the interband transition.

Original languageEnglish
Article number251904
JournalApplied Physics Letters
Issue number25
Publication statusPublished - 20 Dec 2010


ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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