%0 Conference Proceedings %T Linear dichroism in a GaAs microcavity %+ Groupe d'étude des semiconducteurs (GES) %+ Laboratoire de photonique et de nanostructures (LPN) %A Brunetti, Adalberto %A Vladimirova, Maria %A Cronenberger, Steeve %A Scalbert, Denis %A Nawrocki, M. %A Bloch, Jacqueline %< avec comité de lecture %Z 07-063 %( SUPERLATTICES AND MICROSTRUCTURES %B 6th International Conference on Physics of Light-Matter Coupling in Nanostructures %C Magdeburg (GERMANY), Germany %V 41 %P 429-433 %8 2006-09-25 %D 2006 %R 10.1016/j.spmi.2007.03.025 %K linear dichroism %K microcavity %K exciton-polaritons %K SEMICONDUCTOR MICROCAVITIES %K POLARITONS %Z Physics [physics]/Condensed Matter [cond-mat]/Other [cond-mat.other]Conference papers %X Linear 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. %G English %L hal-00440485 %U https://hal.science/hal-00440485 %~ CNRS %~ UNIV-MONTP2 %~ GES %~ UNIV-MONTPELLIER %~ UM1-UM2