1. Institute of Automation and Electrometry, Siberian Branch of the Russian Academy of Sciences, 1 Ac. Koptyug Ave., 630090 Novosibirsk, Russia
2. Prokhorov General Physics Institute of the Russian Academy of Science, 38 Vavilov St., 119991 Moscow, Russia
3. Dianov Fiber Optic Research Center, Prokhorov General Physics Institute of the Russian Academy of Science, 38 Vavilov St., 119991 Moscow, Russia