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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1997),
  • paper QTuE34

Exciton saturation mechanisms resolved in room temperature GaAs-AIxGa1−xAs multiple quantum wells

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Abstract

Nonequilibrium carrier distributions were originally employed to separate Pauli exclusion and long-range Coulomb contributions to exciton saturation in quantum wells at room temperature.1 More recently, optically induced circular dichroism was used to identify phase space filling (PSF) and Coulomb exchange contributions.2 However, Coulomb contributions can arise from both screening and collisionl broadening.

© 1997 Optical Society of America

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