1. Physics Department, Novosibirsk State University, Novosibirsk 630090, Russia
2. Novosibirsk Branch “TDIAM,” Rzhanov Institute of Semiconductor Physics SB RAS, Novosibirsk 630090, Russia
3. Department of Physics and Engineering, ITMO University, St. Petersburg 197101, Russia
4. Physics Department, Universidad Nacional de Colombia, Bogota 111321, Colombia