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Communication Dans Un Congrès Année : 2013

Nonlinear Optical Probe of Bright and Dark Indirect Excitons

Résumé

We propose a new experimental technique for the optical study of dark and bright spatially indirect excitons in coupled quantum wells. We demonstrate that indirect excitons strongly contribute to nonlinear optical effects: photoinduced reflectivity and Kerr rotation, detected at the direct exciton transition frequency. In contrast to conventional photoluminescence measurements which are sensitive only to optically active |±1> states inside the light cone, the proposed technique allows to access yet hidden dark components of excitonic systems.
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Dates et versions

hal-00835630 , version 1 (19-06-2013)

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  • HAL Id : hal-00835630 , version 1

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Maria Vladimirova, A. Nalitov, Nikolay A. Gippius, L. V. Butov, Alexey Kavokin. Nonlinear Optical Probe of Bright and Dark Indirect Excitons. PLMCN 14, May 2013, Hersonissos, Greece. ⟨hal-00835630⟩
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