MAGNETO-OPTICS IN MODULATION-DOPED QUANTUM WELLS
Open Access
- 1 November 1987
- journal article
- Published by EDP Sciences in Le Journal de Physique Colloques
- Vol. 48 (C5) , C5-389
- https://doi.org/10.1051/jphyscol:1987583
Abstract
Photoluminescence and excitation spectra in n-modulation-doped quantum wells with 3 occupied subbands in magnetic fields up to 22 T show that the intersubband distances change with field in a periodic manner. This behaviour is shown to be due to the transfer of electrons between subbands with different spatial extension, thereby modifying the space charge potential. The observed variation of the luminescence intensity with fieldis also explained by this modelKeywords
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