1. St. Petersburg Academic University RAS; 194021 St. Petersburg Russia
2. Ioffe Physical Technical Institute RAS; 194021 St. Petersburg Russia
3. Institute for Analytical Instrumentation RAS; 190103 St. Petersburg Russia
4. ITMO University; 197101 St. Petersburg Russia
5. Peter the Great St. Petersburg Polytechnic University; 195251 St.Petersburg Russia
6. Max Planck Institute of Microstructures Physics; 06120 Halle Germany
7. Department of Applied Physics; Aalto University; 02150 Espoo Finland
8. Department of Micro- and Nanosciences; Aalto University 02150 Espoo Finland