Many-body interactions in semiconductors probed by optical two-dimensional fourier transform spectroscopy

We study many-body interactions between excitons in semiconductors by applying the powerful technique of optical two-dimensional Fourier transform spectroscopy. A two-dimensional spectrum correlates the phase (frequency) evolution of the nonlinear polarization field during the initial evolution and...

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Bibliographic Details
Published in:Physical review letters 2006-02, Vol.96 (5), p.057406-057406, Article 057406
Main Authors: Li, Xiaoqin, Zhang, Tianhao, Borca, Camelia N, Cundiff, Steven T
Format: Article
Language:English
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Summary:We study many-body interactions between excitons in semiconductors by applying the powerful technique of optical two-dimensional Fourier transform spectroscopy. A two-dimensional spectrum correlates the phase (frequency) evolution of the nonlinear polarization field during the initial evolution and the final detection period. A single two-dimensional spectrum can identify couplings between resonances, separate quantum mechanical pathways, and distinguish among microscopic many-body interactions.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.96.057406