Samuel Sonderegger - Institute of Condensed Matter Physics [Lausanne]
Pierre Corfdir - Institute of Condensed Matter Physics [Lausanne]
Laurent Balet - Institute of Condensed Matter Physics [Lausanne]
J. Ristic - Institut de Photonique et d'Electronique Quantiques
Pierre Lefebvre - Groupe d'étude des semiconducteurs
Jean-Daniel Ganière - Institute of Condensed Matter Physics [Lausanne]
Benoit Deveaud-Plédran - Institute of Condensed Matter Physics [Lausanne]