V.А. Sergeev - Dr.Sc. (Eng.), Associate Professor, Director, Ulyanovsk Branch of the Kotel-nikov Institute of Radioengineering and Electronics of Russian Academy of Sciences; Head of Basic Chair «Radio Engineering, Opto-and Nanoelectronics», Ulyanovsk State Technical University in Kotel-nikov UFIRE RAS Ya.G. Tetenkin - Leading Engineer, Ulyanovsk Branch of the Kotel-nikov Institute of Radioengineering and Electronics of Russian Academy of Sciences; Competitor, Basic Chair «Radio Engineering, Opto-and Nanoelectronics», Ulyanovsk State Technical University in Kotel-nikov UFIRE RAS. E-mail: ufire@mv.ru