1. Cryogenic Research Division, Scientific-Practical Materials Research Centre, NAS of Belarus, Minsk 220072, Belarus
2. Institute of Chemistry of New Materials of National Academy of Sciences of Belarus, 36 St. Francyska Skaryny, 220141 Minsk, Belarus
3. Department of Electronics Materials Technology, National University of Science and Technology MISiS, 4 Leninskiy Prospekt, 119049 Moscow, Russian Federation
4. Department of Physics, ITMO University, 49 Avenue Kronverksky, 197101 St. Petersburg, Russian Federation
5. Joint Institute for Nuclear Research, 6 St. Joliot-Curie, 141980 Dubna, Russian Federation
6. Department of Nanotechnology and New Materials, Dubna State University, 19 St. Universitetskaya, 141982 Dubna, Russian Federation
7. Ernst-Abbe-Hochschule Jena, 2 St. Carl-Zeiß-Promenade, 07745 Jena, Germany
8. Leibniz Institute of Photonic Technology, 9 St. Albert-Einstein-Straße, 07745 Jena, Germany
9. Department of Physics, North-Ossetian State University, 46 St. Vatutina, 362025 Vladikavkaz, Russian Federation
10. Photonics Initiative, Advanced Science Research Center, 85 St. Nicholas Terrace, New York, New York 10031, USA
11. Physics Program, Graduate Center City University of New York, 85 St. Nicholas Terrace, New York, New York 10031, USA
12. Department of Electrical Engineering, City College of New York, 85 St. Nicholas Terrace, New York, New York 10031, USA