S.M. Garanin - Post-graduate Student, Department of Physics and Technology of Optical Communication, Nizhny Novgorod State Technical University n.a. R.Y. Alekseev E-mail: physics@nntu.nnov.ru I.N. Danilov - Ph.D. (Eng.), Associate Professor, Department of Physics and Technology of Optical Communication, Nizhny Novgorod State Technical University n.a. R.E. Alekseev; Senior Research Scientist, «FSPC NIIIS» E-mail: physics@nntu.nnov.ru N.A. Novoselova - 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

S. M. Garanin¹, I. N. Danilov², A. V. Kashin³, A. Yu. Sedakov4

1–4  Branch of the Russian Federal Nuclear Center – All-Russian Research Institute of Experimental Physics «Measuring Systems Research Institute n.a. Yu.E. Sedakov»

S. M. Garanin – Postgraduate Student, Department of Physics and Technology of Optical Communication, Nizhny Novgorod State Technical University n.a. R.E. Alekseev

E-mail: physics@nntu.ru

I. N. Danilov – Ph.D. (Eng.), Department of Physics and Technology of Optical Communication, Nizhny Novgorod State Technical University n.a. R.E. Alekseev; Senior Research Scientist of FRPC “Measuring System Research Institute n.a. Yu.Ye. Sedakov” (Nizhny Novgorod)

N. A. Novoselova – Ph.D. (Eng.), Associate Professor of Department of Physics and Technology of Optical Communication, Nizhny Novgorod State Technical University n.a. R.E. Alekseev

S. B. Raevskij – Honored Scientist of RF, Dr.Sc. (Eng.), Professor of Department of Physics and Technology of Optical Communication, Nizhny Novgorod State Technical University n.a. R.E. Alekseev