Higher order exciton correlations from six-wave mixing

Titelangaben

Bolton, S. R. ; Neukirch, U. ; Chemla, D. S. ; Axt, Vollrath Martin ; Sham, L. J.:
Higher order exciton correlations from six-wave mixing.
In: Quantum Electronics and Laser Science Conference (QELS 2000) : Technical Digest. Postconference Edition. - Washington, DC : Optical Society of America , 2000 . - S. 175-176 . - (OSA Trends in Optics and Photonics ; 40 )
ISBN 1-55752-608-7

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Abstract

The nonlinear optical response in semiconductors has traditionally been treated in a mean field approximation at the 2-particle level. Recent work, in particular comparisons of four-wave mixing (FWM) with microscopic theory, have demonstrated the importance of 4-particle correlations. Such experiments, however, are not optimally sensitive to correlations at the 6-particle level. In order to probe such six-particle correlations we compare the results of six-wave mixing (SWM) measurements with a detailed microscopic theory based on the dynamics controlled truncation scheme (DCT).