(3) formalism in optically excited semiconductors and its applications in four-wave-mixing spectroscopy

M. Lindberg, Y. Z. Hu, R. Binder, S. W. Koch

Research output: Contribution to journalArticle

122 Scopus citations

Abstract

The truncation of the infinite hierarchy of equations of motion is discussed for optically excited semiconductors. We derive a complete set of equations of motion, which are valid up to third order in the excitation field amplitude. To illustrate the results the induced four-wave-mixing signals for linearly polarized laser fields are computed by numerically integrating the (3) semiconductor Bloch equations. As the dominating nonlinearity, a strong excitation-induced dephasing effect is obtained in the (3) regime.

Original languageEnglish (US)
Pages (from-to)18060-18072
Number of pages13
JournalPhysical Review B
Volume50
Issue number24
DOIs
StatePublished - Jan 1 1994

ASJC Scopus subject areas

  • Condensed Matter Physics

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