Affiliation: | 1. Department of Optics, Faculty of Physics, Yerevan state University, Yerevan, Armeniatigran.dadalyan@ysu.am;3. Department of Optics, Faculty of Physics, Yerevan state University, Yerevan, Armenia;4. Electronics and Information Systems Department, Ghent University, Ghent, Belgium;5. Center for Nano- and Biophotonics, Ghent University, Ghent, Belgium |