G.F. Zargano, V.V. Zemlyakov, V.V. Krivopustenko
V.V. Zemlyakov - Ph. D. (Phys.-Math.), Associate Professor, Southern Federal University (Rostov-on-Don). E-mail: vvzem@yandex.ru
G.F. Zargano - Dr. Sc. (Phys.-Math.), Professor, Southern Federal University (Rostov-on-Don). E-mail: zargano@yandex.ru
S.V. Krutiev - Student, Faculty of Physics, Southern Federal University (Rostov-on-Don). E-mail: sergey-kryt@yandex.ru
V. V. Biryukov - Ph.D. (Eng.), Associate Professor, Department of Physics and Technology of Optical Communication, Nizhny Novgorod State Technical University n.a. R.E. Alekseev. E-mail: physics@nntu.nnov.ru