Ultrafast adiabatic following in semiconductors

R. Binder, S. W. Koch, M. Lindberg, N. Peyghambarian, W. Schäfer

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Abstract

The full semiconductor Bloch equations are solved to analyze the ultrafast exciton dynamics in semiconductors. Transient adiabatic following is obtained for large detunings and arbitrary intensities, leading to exciton Stark shift, bleaching, and recovery on the time scale of the pump pulse. The many-body Coulomb effects strongly influence the semiconductor response for resonant excitation conditions, almost doubling the effective Rabi frequency of the applied field.

Original languageEnglish (US)
Pages (from-to)899-902
Number of pages4
JournalPhysical review letters
Volume65
Issue number7
DOIs
StatePublished - Jan 1 1990

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ASJC Scopus subject areas

  • Physics and Astronomy(all)

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