%0 Journal Article %T The exciton-polariton effect on the photoluminescence of GaN on sapphire %+ Groupe d'étude des semiconducteurs (GES) %A Gil, Bernard %A Ruffenach, Sandra %A Briot, Olivier %< avec comité de lecture %Z GES:97-003 %@ 0038-1098 %J Solid State Communications %I Elsevier %V 104 %P 267-270 %8 1997 %D 1997 %K STRUCTURE LASER-DIODES %K OPTICAL-PROPERTIES %K EPILAYERS %Z Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci]Journal articles %X We report on the observation of free exciton photoluminescence associated with low and upper-polariton branch in GaN on sapphire. This is observed for both A and B lines. (C) 1997 Published by Elsevier Science Ltd. %G English %L hal-00545875 %U https://hal.science/hal-00545875 %~ CNRS %~ UNIV-MONTP2 %~ GES %~ UNIV-MONTPELLIER %~ UM1-UM2