V. M. Kotov, S. V. Averin, A. A. Zenkina, A. S. Belousova, M. V. Karachevzeva, A. N. Bulyuk Kotelnikov Institute of Radioengineering and Electronics, Fryazino Branch, Russian Academy of Sciences, 141190, Fryazino, Moscow oblast, Russia Abstract: We report a theoretical and experimental investigation of two-dimensional Fourier processing of an image using two channels when the… Read More »
E. A. Romanova, N. Parshina, V. S. Shiryaev Chernyshevsky Saratov National Research State University, 410012, Saratov, Russia Institute of Chemistry of High-Purity Substances RAS, Nizhnii Novgorod Abstract: Based on the concepts of the wave theory of optical fibers, the excitation of luminescence in a few-mode fiber made of chalcogenide glass doped with terbium ions is… Read More »
D. A. Korobko, I. S. Panyaev, P. A. Itrin, I. O. Zolotovskii Ulyanovsk State University, 432017, Ulyanovsk, Russia Abstract: The problem of generating ultrashort Raman solitons with a wavelength in the range of 1600 – 1700 nm, which are formed in a nonlinear fiber when splitting a high-power pump pulse with a wavelength of ∼1550… Read More »
I. A. Zyatikov, V. F. Losev Institute of High Current Electronics, Siberian Branch, Russian Academy of Sciences, 634055, Tomsk, Russia Abstract: We report results of experimental studies on spectral, temporal, energy and spatial characteristics of coherent radiation at a wavelength of 391.4 nm [B2∑+u(0) – X2∑+g(0) transition of molecular nitrogen ion]. Lasing occurs in pure… Read More »
K. B. Yushkov, A. I. Chizhikov, V. Ya. Molchanov University of Science and Technology MISIS, 119049, Moscow, Russia Abstract: A method for coherent combining of two femtosecond laser beams based on acousto-optic interaction is proposed. Experimental studies demonstrated a stationary interference pattern of two beams at the output of the acousto-optic cell if the ultrasound… Read More »
A. P. Bogatov, A. E. Drakin, N. V. D’yachkov, G. T. Mikayelyan, V. A. Panarin Lebedev Physical Institute, Russian Academy of Sciences, 119991, Moscow, Russia Research and Production Enterprise Inject Ltd, 410033, Saratov, Russia Abstract: Based on the technique using translation matrices, the complex frequencies of the axial modes of a diode laser with an… Read More »
N. S. Pokryshkin, I. D. Kuchumov, V. G. Yakunin, V. Yu. Timoshenko Faculty of Physics, Lomonosov Moscow State University National Engineering Physics Institute MEPhI Engineering and Physics Institute of Biomedicine, Moscow Abstract: Photoinduced pulsed heating of silicon nanoparticles suspension (NPs) excited by continuous and pulsed nanosecond laser radiation was studied with the use of Raman… Read More »
E. G. Shapiro, D. A. Shapiro Institute of Automation and Electrometry, Siberian Branch of Russian Academy of Sciences, Novosibirsk Abstract: A communication line without dispersion compensation is considered. A new type of phase-modulated format in which the Gaussian pulses with varying non-central chirp are transmitted is proposed. It is stated that there is a time… Read More »
M. A. Gorbashova, D. D. Starykh, O. E. Nanii, V. N. Treshchikov, I. P. Chebykin Moscow Institute of Physics and Technology (National Research University), Dolgoprudny, Moscow Region “T8” LLC, Moscow Faculty of Physics, Lomonosov Moscow State University Abstract: The statistics of the unevenness of the signal power spectrum in a chain of erbium amplifiers EDFA… Read More »
A. A. Makovetskii, S. M. Popov, D. V. Ryakhovskii Kotelnikov Institute of Radioengineering and Electronics, Fryazino Branch, Russian Academy of Sciences Abstract: Within the framework of the geometric optics model, an algorithm for calculating the trajectories of oblique rays (hybrid modes) in optical fiber with stepped refractive index profile was developed. The first (three-dimensional) version… Read More »