Category Archives: Статья

Quasi-synchronous generation of the second optical harmonic under the pendulum effect in photonic crystals

L. Dergachyova, B. I. Mantsyzov Faculty of Physics, Lomonosov Moscow State University Abstract: Generation of the second optical harmonic in one-dimensional photonic crystals under conditions of the pendulum effect with dynamic Bragg diffraction in the Laue geometry is theoretically considered. It is shown that in photorefractive photonic crystals, as well as in photonic crystals with… Read More »

Coherent mode interaction and multiple combs in the spectrum of a superradiant laser

E. R. Kocharovskaya, A. S. Gavrilov, A. F. Seleznev, A. V. Mishin, V. V. Kocharovsky, V. V. Kocharovskii Federal Research Center The Institute of Applied Physics of the Russian Academy of Sciences, Nizhny Novgorod National Research Lobachevsky State University of Nizhny Novgorod Texas A&M University Abstract: For a laser with large inhomogeneous and small homogeneous… Read More »

Investigation of the quasi-cw heating dynamics of an active region of high-power semiconductor lasers (λ = 1060 nm) with an ultra-wide emitting aperture (800 μm)

I. S. Shashkin, A. D. Rybkin, V. A. Kryuchkov, A. E. Kazakova, D. N. Romanovich, N. A. Rudova, S. O. Slipchenko, N. A. Pikhtin Ioffe Institute, St. Petersburg Abstract: An approach has been developed to study temporal behaviour of the active region overheating in high-power semiconductor lasers (λ = 1060 nm) with an ultra-wide aperture… Read More »

High-power, narrow-band radiation source based on integrated external-cavity laser diodes

V. A. Panarin, G. T. Mikayelyan, I. V. Galushka, N. N. Begletsova, I. A. Zimin, A. E. Drakin, N. V. D’yachkov, T. I. Gushchik, A. P. Bogatov Inject Ltd., Saratov P. N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow Abstract: We have demonstrated integration of 24 external-cavity laser diodes into one spectrally… Read More »

VUV generation in hydrogen and fluorine in diffuse discharges produced by runaway electrons

A. N. Panchenko, V. F. Tarasenko, V. V. Kozhevnikov Institute of High Current Electronics, Siberian Branch of the Russian Academy of Sciences, Tomsk Abstract: We study parameters of stimulated emission in diffuse discharges formed in a sharply inhomogeneous electric field in mixtures of inert gases with additions of hydrogen and fluorine at pressures up to… Read More »

Generation of radiation from a quantum-cascade mid-IR laser

A. E. Shepelev, A. G. Putilov, A. A. Antipov, A. A. Angeluts Institute on Laser and Information Technologies, Branch of the Federal Research Centre ‘Crystallography and Photonics’ Ioffe Institute, St. Petersburg Faculty of Physics, Lomonosov Moscow State University Abstract: A quantum cascade laser (QCL) is studied and the results of registration of the radiation pattern… Read More »

1064-nm tunable single-frequency semiconductor laser module

V. P. Duraev, M. A. Ladugin, I. S. Molodtsov, S. A. Voronchenko, S. V. Medvedev, N. V. Gul’tikov “Nolatech” Joint-Stock Company, Moscow Polyus Research and Development Institute named after M. F. Stel’makh, Moscow Abstract: We report results of fabricating a 1064-nm tunable single-frequency semiconductor laser module with an external cavity based on a fibre Bragg… Read More »

Nonlinear attenuation of laser radiation by colloidal products of aluminum target ablation in dimethyl sulfoxide

A. S. Zverev, D. R. Nurmuhametov, D. M. Russakov, O. S. Efimova, D. S. Vorobetz, A. V. Kalenskii, A. A. Zvekov Kemerovo State University The Federal Research Center of Coal and Coal-Chemistry of Siberian Branch of the Russian Academy of Sciences Abstract: We study nonlinear attenuation of nanosecond laser irradiation by metal nanoparticles. Nanosized colloids… Read More »

Simulation of the limiting parameters of a polarimetric fibre-optic current sensor on a spun fibre

I. L. Lovchiĭ Research Institute for Complex Testing of Optoelectronic Devices and Systems, Sosnovy Bor, Leningrad region Abstract: We report results of numerical simulation of limiting parameters of a spun-fibre-based polarimetric fibre-optic current sensor. A technique for modelling sensor parameters is described. Using the Poincaré sphere approach, we analyse the trajectory of a change in… Read More »

Statistics of nonlinear noise in a high-speed optical communication line without dispersion compensation

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. It is shown analytically and numerically that almost over the entire length of the communication line, the field power in the fibre is given by the distribution… Read More »