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Mixed biexcitons in single quantum wells

Wagner, H., Langbein, Wolfgang Werner and Hvam, J. 1999. Mixed biexcitons in single quantum wells. Physical Review B 59 (7) , pp. 4584-4587. 10.1103/PhysRevB.59.4584

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Biexcitonic complexes in a ZnSe single quantum well are investigated by spectrally resolved four-wave mixing (FWM). The formation of heavy-heavy-hole XXh and of mixed heavy-light-hole XXm biexcitons showing binding energies of Δh=4.8meV and Δm=2.8meV is identified by polarization selection rules. The coherent dynamics of the FWM response and the observed FWM intensity ratio between the XXh and XXm biexciton-induced nonlinear signals are in agreement with the solution of an extended optical Bloch equation.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Physics and Astronomy
Subjects: Q Science > QC Physics
Publisher: American Physical Society
ISSN: 0163-1829
Last Modified: 04 Jun 2017 08:01

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