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Dynamics of free and bound excitons in center-doped GaAs/AsGaAs quantum wells

✍ Scribed by B. Monemar; H. Kalt; C. Harris; J.P. Bergman; P.O. Holtz; M. Sundaram; J.L. Merz; A.C. Gossard; K. Köhler; T. Schweizer

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
392 KB
Volume
9
Category
Article
ISSN
0749-6036

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Spin relaxation dynamics in GaAs quantum
Spin relaxation dynamics in GaAs quantum wells: Free carriers and excitons
✍ L. Viña; T.C. Damen; J.E. Cunningham; J. Shah; L.J. Sham 📂 Article 📅 1992 🏛 Elsevier Science 🌐 English ⚖ 772 KB

We present the results of an investigation of the spin relaxation dynamics of electrons, holes and excitons in GaAs quantum wells by means of subpicosecond spectroscopy of the photoluminescence polarization. The band to band luminescence was studied in n and p modulation-doped quantum wells. We show