Department of Physics, Saint-Petersburg State Electrotechnical University, Saint-Petersburg, 197376, Russia;
Department of Physics, Saint-Petersburg State Electrotechnical University, Saint-Petersburg, 197376, Russia;
Resonance-M, Ltd., Saint-Petersburg State Electrotechnical University, Saint-Petersburg, 197376, Russia;
Department of Physics, Saint-Petersburg State Electrotechnical University, Saint-Petersburg, 197376, Russia;