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Many-particle effects on transient four-wave-mixing signals in semiconductors

Wilfried Schäfer, Frank Jahnke, and Stefan Schmitt-Rink
Phys. Rev. B 47, 1217 – Published 15 January 1993
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Abstract

We discuss the temporal evolution of transient four-wave-mixing signals in semiconductors. For near-resonant excitation with intense ultrashort optical pulses, we show that even in a homogeneously broadened system, there is no pure free decay of the polarization. The bulk of the signal always appears delayed and its magnitude is determined by Coulomb interactions.

  • Received 29 May 1992

DOI:https://doi.org/10.1103/PhysRevB.47.1217

©1993 American Physical Society

Authors & Affiliations

Wilfried Schäfer and Frank Jahnke

  • Forschungszentrum Jülich, HLRZ, W-5170 Jülich, Federal Republic of Germany

Stefan Schmitt-Rink

  • Department of Physics and Materials Sciences Center, Philipps University, W-3550 Marburg, Federal Republic of Germany

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Vol. 47, Iss. 3 — 15 January 1993

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