1. Alferov University (formerly St. Petersburg Academic University), Khlopina 8/3, 194021, St. Petersburg, Russia
2. Peter the Great St. Petersburg Polytechnic University, Politekhnicheskaya 29, 195251, St. Petersburg, Russia
3. ITMO University, Kronverkskij 49, 197101, St. Petersburg, Russia
4. Institut Jean Lamour, CNRS, Université de Lorraine, 54011 Nancy, France
5. Optical Nanomaterial Group, Institute for Quantum Electronics, Department of Physics, ETH Zurich, Auguste-Piccard Hof 1, 8093 Zurich, Switzerland