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  • Conference on Lasers and Electro-Optics/Pacific Rim 2007
  • (Optica Publishing Group, 2007),
  • paper FH1_3

Femtosecond Electron Acceleration in Bulk GaAs Investigated by Time-Domain THz Spectroscopy

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Abstract

Nonequilibrium electron transport under very high electric fields up to 300 kV/cm has been investigated by time-domain terahertz spectroscopy. It is found that effective acceleration mass experienced by photoexcited electrons significantly increases with increasing fields (30 times at 300kV/cm), suggesting strong band mixing into Wannier functions of electrons.

© 2007 IEEE

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