Author Affiliations

S. Trillo,^#,1,* C. Conti,^# P. Di Trapani,^$ O. Jedrkiewicz,^$ J. Trull,^$ and G. Valiulis^†

^#Istituto Nazionale di Fisica della Materia, INFM-RM3, Via della Vasca Navale 84, 00146 Roma, Italy

^$INFM and Dept, of Chemical, Physical and Mathematical Sciences, University of Insubria, Via Valleggio 11, 22100 Como, Italy

^†Department of Quantum Electronics, Vilnius University, Building 3 Sauletekio Avenue 9, 2040, Vilnius, Lithuania

¹Also with Dept, of Engineering, University of Ferrara, Italy

^*Corresponding author: strillo@ing.unife.it