1. Institute of Applied Physics, Russian Academy of Sciences, 603950 Nizhny Novgorod, Russia
2. Higher School of General and Applied Physics, Lobachevsky State University of Nizhny Novgorod, 603022 Nizhny Novgorod, Russia
3. Institute of Chemistry of High-Purity Substances, Russian Academy of Sciences, 603951 Nizhny Novgorod, Russia
4. Department of Material Science, Nizhny Novgorod State Technical University, 603950 Nizhny Novgorod, Russia
5. Department of Quantum Electronics and Photonics, National Research Tomsk State University, 634050 Tomsk, Russia