Is luminescence from quantum wells due to excitons?

Femtosecond luminescence measurements combined with pump-probe experiments using selective excitation of either free carriers or excitons have been performed. The time-resolved luminescence spectra show a striking disparity compared with recently published theoretical models. Large differences in the pump-probe spectra are observed for resonant and non-resonant (continuum) pumping. The origin of these differences is discussed.


Published in:
Physica Status Solidi a-Applied Research, 190, 3, 637-640
Year:
2002
ISSN:
0031-8965
Keywords:
Note:
EPFL, Dept Phys, Swiss Fed Inst Technol, IMO, Lausanne, Switzerland. Hayes, GR, EPFL, Dept Phys, Swiss Fed Inst Technol, IMO, Lausanne, Switzerland.
ISI Document Delivery No.: 553CB
Times Cited: 4
Cited Reference Count: 4
Cited References:
KIRA M, 1998, PHYS REV LETT, V81, P3263
OESTREICH M, 2000, PHYS STATUS SOLIDI A, V178, P27
PIERMAROCCHI C, 1996, PHYS REV B, V53, P15834
SIEH C, 1999, PHYS REV LETT, V82, P3112
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 Record created 2007-08-31, last modified 2018-03-17


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