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  • The Thirteenth International Conference on Ultrafast Phenomena
  • 2002 OSA Technical Digest Series (Optica Publishing Group, 2002),
  • paper TuD4
  • https://doi.org/10.1364/UP.2002.TuD4

Ultrafast coherent electron transport in quantum cascade structures

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Abstract

The first mid-infrared pump-probe study of an electrically driven quantum cascade structure reveals an oscillatory gain recovery after femtosecond excitation, giving evidence for coherent electron motion from the injector into the active region.

© 2002 Optical Society of America

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