Superlattices and Microstructures volume 41, issue 5-6, P429-433 2007 DOI: 10.1016/j.spmi.2007.03.025 View full text
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A. Brunetti, M. Vladimirova, S. Cronenberger, D. Scalbert, M. Nawrocki, J. Bloch

Abstract: International audienceLinear dichroism experiments show that exciton-polariton ground states are split into a linearly polarized doublet. At normal incidence and zero detuning this splitting does not exceed 10 mu eV for the upper polariton branch and 3 mu eV for the lower one. For both branches the splitting decreases with positive and negative detuning. (c) 2007 Elsevier Ltd. All rights reserved