Binding of Biexcitons in GaAs/AlGaAs Superlattices |
| V. Mizeikis Institute of Material Research and Applied Science, Vilnius University, Saulétekio Ave. 9, build. III, 2054 Vilnius, Lithuania D. Birkedal, W. Langbein, V.G. Lyssenko and J.M. Hvam Mikroelektronik Centret, The Technical University of Denmark, 2800 Lyngby, Denmark |
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| Binding of the heavy-hole excitons and biexcitons in GaAs/Al0.3Ga0.7As superlattices is studied using linear and nonlinear optical techniques. High biexciton binding energies characteristic of quasi two-dimensional biexcitons are observed in superlattices with considerable miniband dispersion. |
| DOI: 10.12693/APhysPolA.92.923 PACS numbers: 71.35.Cc, 78.66.Hf, 42.50.Md |