Systematic investigation of terahertz-induced excitonic Rabi splitting

M. Teich; M. Wagner; D. Stehr; H. Schneider; M. Helm; C. N. Böttge; A. C. Klettke; S. Chatterjee; M. Kira; S. W. Koch; G. Khitrova; H. M. Gibbs

doi:10.1103/PhysRevB.89.115311

Systematic investigation of terahertz-induced excitonic Rabi splitting

M. Teich, M. Wagner, D. Stehr, H. Schneider, M. Helm, C. N. Böttge, A. C. Klettke, S. Chatterjee, M. Kira, S. W. Koch, G. Khitrova, H. M. Gibbs

Optical Sciences, College of

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12 Scopus citations

Abstract

Weak near-infrared and strong terahertz excitation are applied to study excitonic Rabi splitting in (GaIn)As/GaAs quantum wells. Pronounced anticrossing behavior of the split peaks is observed for different terahertz intensities and detunings relative to the intra-excitonic heavy-hole 1s-2p transition. At intermediate to high electric fields the splitting becomes highly asymmetric and exhibits significant broadening. A fully microscopic theory is needed to explain the experimental results. Comparisons with a two-level model reveal the increasing importance of higher excitonic states at elevated excitation levels.

Original language	English (US)
Article number	115311
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	89
Issue number	11
DOIs	https://doi.org/10.1103/PhysRevB.89.115311
State	Published - Mar 17 2014

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Systematic investigation of terahertz-induced excitonic Rabi splitting. / Teich, M.; Wagner, M.; Stehr, D.; Schneider, H.; Helm, M.; Böttge, C. N.; Klettke, A. C.; Chatterjee, S.; Kira, M.; Koch, S. W.; Khitrova, G.; Gibbs, H. M.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 89, No. 11, 115311, 17.03.2014.

Research output: Contribution to journal › Article › peer-review

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abstract = "Weak near-infrared and strong terahertz excitation are applied to study excitonic Rabi splitting in (GaIn)As/GaAs quantum wells. Pronounced anticrossing behavior of the split peaks is observed for different terahertz intensities and detunings relative to the intra-excitonic heavy-hole 1s-2p transition. At intermediate to high electric fields the splitting becomes highly asymmetric and exhibits significant broadening. A fully microscopic theory is needed to explain the experimental results. Comparisons with a two-level model reveal the increasing importance of higher excitonic states at elevated excitation levels.",

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AU - Wagner, M.

AU - Stehr, D.

AU - Schneider, H.

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AU - Böttge, C. N.

AU - Klettke, A. C.

AU - Chatterjee, S.

AU - Kira, M.

AU - Koch, S. W.

AU - Khitrova, G.

AU - Gibbs, H. M.

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AB - Weak near-infrared and strong terahertz excitation are applied to study excitonic Rabi splitting in (GaIn)As/GaAs quantum wells. Pronounced anticrossing behavior of the split peaks is observed for different terahertz intensities and detunings relative to the intra-excitonic heavy-hole 1s-2p transition. At intermediate to high electric fields the splitting becomes highly asymmetric and exhibits significant broadening. A fully microscopic theory is needed to explain the experimental results. Comparisons with a two-level model reveal the increasing importance of higher excitonic states at elevated excitation levels.

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Systematic investigation of terahertz-induced excitonic Rabi splitting

Abstract

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