Theory of the optical stark effect in semiconductors under ultrashort-pulse excitation

M. Lindberg, Stephan W Koch

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Abstract

The optical Stark effect is computed for femtosecond excitation of the electron-hole-pair states in semiconductors. The theory is based on the effective Bloch equations for semiconductors and is evaluated for the large detuning, low intensity limit. For the example of CdS, good agreement with recent femtosecond experiments is found. It is shown that the coherent interaction of the pulses and the medium polarization dominates the semiconductor response as long as the pulse duration is of the factor of, or less than, the coherence decay time of the medium.

Original languageEnglish (US)
Pages (from-to)379-385
Number of pages7
JournalPhysica Status Solidi (B) Basic Research
Volume150
Issue number2
Publication statusPublished - Dec 1988

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ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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