Mixed biexcitons in single quantum wells

Wagner, Hans Peter and Langbein, W. and Hvam, J.M. (1999) Mixed biexcitons in single quantum wells. PHYSICAL REVIEW B, 59 (7). pp. 4584-4587. ISSN 1098-0121, 1550-235X

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Abstract

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 Delta(h) = 4.8 meV and Delta(m)= 2.8 meV 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
Uncontrolled Keywords: NONLINEAR-OPTICAL RESPONSE; EXCITON BINDING-ENERGIES; STIMULATED-EMISSION; GAAS; EXCITATION; MOLECULES; COHERENCE;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics
Depositing User: Dr. Gernot Deinzer
Date Deposited: 21 Nov 2022 09:40
Last Modified: 21 Nov 2022 09:42
URI: https://pred.uni-regensburg.de/id/eprint/48523

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