Effects of intervalence band coherences on the coherently coupled heavy-hole-light-hole stark shift in semiconductor quantum wells

I. Rumyantsev, Nai-Hang Kwong, R. Takayama, Rudolf Binder

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Abstract

A theoretical study of the coherently coupled heavy-hole-light-hole optical Stark effect in semiconductor quantum wells is presented. Based on a detailed investigation of the various many-body contributions to the Stark shifts, we identify a parameter regime in which the existence of intervalence band coherences (analogous to the nonradiative Raman coherence in three-level atoms) can be inferred from the coherently coupled heavy-hole-light-hole excitonic optical Stark shift. The analysis is performed for the third-order nonlinear optical regime (X3 regime), and is based on the dynamics-controlled truncation (DCT) formalism. It includes the relevant optical selection rules, excitonic and two-exciton-correlation (e.g., biexcitonic) effects.

Original languageEnglish (US)
Article number245325
Pages (from-to)2453251-24532510
Number of pages22079260
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume65
Issue number24
Publication statusPublished - Jun 15 2002

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ASJC Scopus subject areas

  • Condensed Matter Physics

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