Photon echo and valence-band mixing in semiconductor quantum wells

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24 Scopus citations


The coherent optical response of semiconductor quantum wells is studied theoretically using the multiband semiconductor Bloch equations which include coupling of the heavy- and light-hole bands as well as many-body Coulomb effects. For the case of a two-pulse excitation scheme it is shown how the different rotational symmetries of heavy- and light-hole bands induce a strong polarization dependence of the signal in the photon echo direction. The selection rules are based on the Kane-Luttinger theory while the transition amplitudes are obtained by numerically solving the multiband semiconductor Bloch equations. In addition, the influence of valence-band mixing effects on the optical Stark effect is demonstrated.

Original languageEnglish (US)
Pages (from-to)15679-15687
Number of pages9
JournalPhysical Review B
Issue number23
StatePublished - 1993

ASJC Scopus subject areas

  • Condensed Matter Physics


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