The microcavity AC Stark triplet: Excitation in the exciton continuum

The coherent optical response of high quality microcavities containing quantum wells is investigated. The dynamics of the ac Stark effect is investigated by degenerate pump-probe experiments, by exciting the quantum well excitons at various intensities and detunings. The evolution from a simple dynamical excitonic Stark shift to a splitting is dearly observed, even when the excitation is degenerate with the continuum states. The experimental results agree well with the predictions of a theoretical model based on the semiconductor Maxwell-Bloch equations.


Published in:
Physica Status Solidi B-Basic Research, 221, 1, 127-131
Year:
2000
ISSN:
0370-1972
Keywords:
Note:
Ecole Polytech Fed Lausanne, Dept Phys, CH-1015 Lausanne, Switzerland. Univ Cagliari, Dipartimento Fis, Cagliari, Italy. Univ Cagliari, Ist Nazl Fis Mat, Cagliari, Italy. Staehli, JL, Ecole Polytech Fed Lausanne, Dept Phys, CH-1015 Lausanne, Switzerland.
ISI Document Delivery No.: 362PZ
Times Cited: 0
Cited Reference Count: 13
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 Record created 2007-08-31, last modified 2018-01-28


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