Extraction of many-body configurations from nonlinear absorption in semiconductor quantum wells

R. P. Smith, J. K. Wahlstrand, A. C. Funk, R. P. Mirin, S. T. Cundiff, J. T. Steiner, M. Schafer, M. Kira, S. W. Koch

Research output: Contribution to journalArticle

45 Scopus citations

Abstract

Detailed electronic many-body configurations are extracted from quantitatively measured time-resolved nonlinear absorption spectra of resonantly excited GaAs quantum wells. The microscopic theory assigns the observed spectral changes to a unique mixture of electron-hole plasma, exciton, and polarization effects. Strong transient gain is observed only under cocircular pump-probe conditions and is attributed to the transfer of pump-induced coherences to the probe.

Original languageEnglish (US)
Article number247401
JournalPhysical review letters
Volume104
Issue number24
DOIs
StatePublished - Jun 15 2010

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Smith, R. P., Wahlstrand, J. K., Funk, A. C., Mirin, R. P., Cundiff, S. T., Steiner, J. T., Schafer, M., Kira, M., & Koch, S. W. (2010). Extraction of many-body configurations from nonlinear absorption in semiconductor quantum wells. Physical review letters, 104(24), [247401]. https://doi.org/10.1103/PhysRevLett.104.247401