1. University of Southern Denmark,POLIMA: Center for Polariton-driven Light–Mater Interactions, Campsuvej 55,Odense M,Denmark,DK-5230
2. University of Piraeus,Department of Digital Systems, M. Karaoli & A. Dimitriou 80,Piraeus,Greece,GR-18534
3. University of Fribourg,Department of Physics, Chemin du Musée 3,Fribourg,Switzerland,CH-1700
4. National Technical University of Athens,Department of Physics,Athens,Greece,GR-15780