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Optica Publishing Group
  • Quantum Electronics and Laser Science Conference
  • OSA Technical Digest (Optica Publishing Group, 1997),
  • paper QTuE30

Theoretical analysis of heavy-light hole quantum beats in the band-to-band continuum of transient absorption spectra

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Abstract

While heavy-light hole quantum beats of excitons in quantum wells have been observed for many years,1 the presence of such beating phenomena in the band-to-band continuum of bulk GaAs has been found only recently.2,3 We present a theoretical analysis of these quantum beats observed in pump-probe experiments2,3 where we will discuss in particular the role of Coulomb correlations and scattering processes. The calculations are performed in the framework of the semiconductor Bloch equations for a three-band model, including electrons, heavy (hh), and light (Ih) holes.

© 1997 Optical Society of America

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