Junior Researcher of the Center for Photonics and Two-dimensional Materials, Moscow Institute of Physics and Technology (Russia, 141701, Dolgoprudny, Institutsky lane, 9); Engineer of the Laboratory of Optics of Heterogeneous Structures and Optical Materials of the Alferov Saint Petersburg National Research Academic University of the Russian Academy of Sciences (194021, St. Petersburg, Khlopina str., 8, building 3, letter A)