Preservation of quantum coherence after exciton-exciton interaction in quantum wells

DOI to cite this document:: 10.5283/epub.1335

Garro, N. ; Kennedy, S. ; Phillips, R. ; Aichmayr, G. ; Rössler, Ulrich ; Vina, L.

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Date of publication of this fulltext: 05 Aug 2009 13:27

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Abstract

The dynamics of exciton-exciton interaction in quantum wells has been investigated by monitoring the time-resolved resonant secondary emission that follows excitation with linearly and circularly polarized light. Preservation of quantum beating in the cross-polarized emission demonstrates that spin relaxation can take place, for some scattering channels, without total quantum coherence loss. ...