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  4. Ultrafast coherent carrier control in quantum wells
 
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1996
Journal Article
Title

Ultrafast coherent carrier control in quantum wells

Other Title
Ultraschnelle kohärente Ladungsträgerkontrolle in Quantum Wells
Abstract
We report the coherent control of excitons in quantum wells with pairs of 150-fs infrared pulses. Oscillations in the exciton density versus inter-pump-pulse separation, which correspond to the resonant transition energy, yield new insight into coherent exciton dynamics when their phase is analyzed. We demonstrate that these oscillations are caused when the second laser pulse destroys or enhances excitons that were created by the first pulse. The coherent carrier destruction generates ultrafast exciton dynamics that are not limited by the linewidth of the optical transition.
Author(s)
Baumberg, J.J.
Heberle, A.P.
Köhler, Klaus  
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Ploog, K.
Journal
Journal of the Optical Society of America. B, Optical physics  
DOI
10.1364/JOSAB.13.001246
Language
English
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Keyword(s)
  • heterostructure

  • Heterostruktur

  • III-V Halbleiter

  • III-V semiconductors

  • quantum wells

  • time resolved measurement

  • zeitaufgelöste Messung

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