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    • The evolution of the electric field in an optically excited semiconductor superlattice 

      Lisauskas, Alvydas; Blöser, Claudia; Hummel, Anne Beate; Sachs, Robert; Roskos, Hartmut G.; Juozapavičius, Aušrius; Valušis, Gintaras; Köhler, Klaus (Physica status solidi. C, Current topics in solid state physics, 2005)
      We report on time-resolved photocurrent spectroscopy of an intrinsic GaAs/Al0.3Ga0.7As superlattice subsequent to femtosecond optical excitation. Information on the spatio-temporal evolution of the densities of electrons ...