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arXiv · 0912.2787

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
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Abstract

Detailed electronic many-body configurations are extracted from quantitatively measured timeresolved 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 co-circular pump-probe conditions and is attributed to the transfer of pump-induced coherences to the probe.

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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. 2009-12-15. Extraction of many-body configurations from nonlinear absorption in semiconductor quantum wells. https://doi.org/10.1103/physrevlett.104.247401

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