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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1993),
  • paper QMC3

Time-resolved and time-integrated six-wave mixing in CaAs quantum wells: effects due to exciton-exciton interactions

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Abstract

Studying [he time dependence of coherent light emission from materials is an important way to understand the properties of the excitations created in the material. in semiconductors, wave-mixing techniques are useful for obtaining information on dephasing processes in the material and hence on the dynamic behavior of an exciton interacting with its environment and with other cxcitons. In six-wave mixing (SWM), the theoretical model of Ref. 1 predicts that for noninteracting two-level systems the time-integrated signal has a line shape that follows the laser pulse, i.e., it corresponds to the so-called coherent- spike.

© 1993 Optical Society of America

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