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.
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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
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Record created on 2007-08-31, modified on 2016-08-08