Ouellet-Plamondon, C.Sallen, G.Jabeen, F.Oberli, D. Y.Deveaud, B.2015-09-282015-09-282015-09-28201510.1103/PhysRevB.92.075313https://infoscience.epfl.ch/handle/20.500.14299/118754WOS:000360268500004We report on the observation of multiple polariton modes, originating from an electronic coupling between quantum wells inside a planar microcavity. A series of excitonic transitions are measured for a bare quantum well stack and are precisely identified to electron-hole transitions originating from the coupling of the wells. When the quantum well stacks are placed at the antinode of a high Q-factor microcavity, a series of anticrossings is observed, which is characteristic of a multiplicity of polariton modes. This behavior is simulated using a coupled oscillator model accounting for the cavity mode and all allowed excitonic transitions.text::journal::journal article::research article