1. Department of Optical Physics and Modern Natural Science, ITMO University, Saint Petersburg 197101, Russia
2. Center for Semiconductor Components, State University of Campinas UNICAMP, Campinas, SP 13083-870, Brazil
3. Faculty of Physics, Lobachevsky State University of Nizhni Novgorod, Nizhni Novgorod 603950, Russia
4. Instituto de Fisica “Gleb Wataghin,” State University of Campinas UNICAMP, Campinas, SP 13083-859, Brazil