Search Results - "Dianov, E. M"

Combined excitation-emission spectroscopy of bismuth active centers in optical fibers by Firstov, S V, Khopin, V F, Bufetov, I A, Firstova, E G, Guryanov, A N, Dianov, E M

“…For the first time, 3-dimensional luminescence spectra (luminescence intensity as a function of the excitation and emission wavelengths) have been obtained for…”
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Phosphate-core silica-clad Er/Yb-doped optical fiber and cladding pumped laser by Egorova, O N, Semjonov, S L, Velmiskin, V V, Yatsenko, Yu P, Sverchkov, S E, Galagan, B I, Denker, B I, Dianov, E M

“…We present a composite optical fiber with a Er/Yb co-doped phosphate-glass core in a silica glass cladding as well as cladding pumped laser. The fabrication…”
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The origin of near-IR luminescence in bismuth-doped silica and germania glasses free of other dopants: First-principle study by Sokolov, V. O., Plotnichenko, V. G., Dianov, E. M.

“…First-principle study of possible bismuth-related centers in SiO sub(2) and GeO sub(2) glass model hosts is performed and the results are compared with the…”
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High-purity chalcogenide glasses for fiber optics by Snopatin, G. E., Shiryaev, V. S., Plotnichenko, V. G., Dianov, E. M., Churbanov, M. F.

“…The data on the present degree of purity of chalcogenide glasses for fiber optics, on their methods of production and on the properties, which are essential…”
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Optical amplification in 1430-1495 nm range and laser action in Bi-doped fibers by Dvoyrin, V V, Medvedkov, O I, Mashinsky, V M, Umnikov, A A, Guryanov, A N, Dianov, E M

“…An emission band with a maximum at 1430 nm and a FWHM of 100 nm was observed in a Bi-doped fiber under core-pumping in the 1340- 1370 nm wavelength range. Net…”
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Factors affecting the formation of near infrared-emitting optical centers in Bi-doped glasses by Denker, B. I., Galagan, B. I., Osiko, V. V., Shulman, I. L., Sverchkov, S. E., Dianov, E. M.

“…The NIR-emitting optical centers in Bi 2 O 3 -doped MgO–Al 2 O 3 –SiO 2 glass were shown to be bismuth dimers formed in a reversible endothermic redox chemical…”
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Low-loss singlemode large mode area all-silica photonic bandgap fiber by Février, S, Jamier, R, Blondy, J-M, Semjonov, S L, Likhachev, M E, Bubnov, M M, Dianov, E M, Khopin, V F, Salganskii, M Y, Guryanov, A N

“…We describe the design and characterization of solid core large mode area bandgap fibers exhibiting low propagation loss and low bend loss. The fibers have…”
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High-efficiency cascaded Raman fiber laser with random distributed feedback by Babin, S A, Vatnik, I D, Laptev, A Yu, Bubnov, M M, Dianov, E M

“…Cascaded lasing provided by Raman gain (at 1115-nm pumping) and random distributed feedback (via Rayleigh backscattering) in a 1.65-km phosphosilicate fiber is…”
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On the structure of phosphosilicate glasses by Plotnichenko, V.G., Sokolov, V.O., Koltashev, V.V., Dianov, E.M.

“…Vibrational spectra of phosphosilicate glasses with P 2O 5 concentrations up to 15 mol% are investigated by the methods of Raman spectroscopy and…”
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Thulium-doped mode-locked all-fiber laser based on NALM and carbon nanotube saturable absorber by Chernysheva, M A, Krylov, A A, Kryukov, P G, Arutyunyan, N R, Pozharov, A S, Obraztsova, E D, Dianov, E M

“…We present a thulium-doped fiber laser mode-locked by a carboxymetylcellulose high-optical quality film with dispersed single-walled carbon nanotubes. Laser…”
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Generation of 20 fs, 20 MW pulses in the near-infrared by pulse compression using a large-mode-area all-silica photonic band-gap fiber by Fedotov, I.V., Lanin, A.A., Voronin, A.A., Fedotov, A.B., Zheltikov, A.M., Egorova, O.N., Semjonov, S.L., Pryamikov, A.D., Dianov, E.M.

“…Spectral broadening in the regime of normal dispersion in a large-mode-area all-silica photonic band-gap fiber (PBGF) is shown to enable compression of an…”
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Bismuth-doped silica-based fiber lasers operating between 1389 and 1538 nm with output power of up to 22 W by Shubin, A V, Bufetov, I A, Melkumov, M A, Firstov, S V, Medvedkov, O I, Khopin, V F, Guryanov, A N, Dianov, E M

“…An efficient CW bismuth fiber laser operating around 1.46 μm with an efficiency of >50% and an output power of >20 W has been developed on a bismuth-doped…”
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Recent advances in preparation of high-purity glasses based on arsenic chalcogenides for fiber optics by Churbanov, M.F., Snopatin, G.E., Shiryaev, V.S., Plotnichenko, V.G., Dianov, E.M.

“…The processes of production of high-purity glasses based on arsenic chalcogenides and optical fibers with low optical losses in the middle IR have been…”
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Mid-infrared Raman-soliton continuum pumped by a nanotube-mode-locked sub-picosecond Tm-doped MOPFA by Zhang, M, Kelleher, E J R, Runcorn, T H, Mashinsky, V M, Medvedkov, O I, Dianov, E M, Popa, D, Milana, S, Hasan, T, Sun, Z, Bonaccorso, F, Jiang, Z, Flahaut, E, Chapman, B H, Ferrari, A C, Popov, S V, Taylor, J R

“…We demonstrate a mid-infrared Raman-soliton continuum extending from 1.9 to 3 µm in a highly germanium-doped silica-clad fiber, pumped by a nanotube…”
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Effect of absorption recovery in bismuth-doped silica glass at 1450 nm on soliton grouping in fiber laser by Gumenyuk, R., Melkumov, M. A., Khopin, V. F., Dianov, E. M., Okhotnikov, O. G.

“…Saturable absorption in bismuth-doped glasses was found to have a noticeable influence on soliton interaction and group formation. This phenomenon, observed in…”
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Hybrid mode-locked erbium-doped all-fiber soliton laser with a distributed polarizer by Chernykh, D S, Krylov, A A, Levchenko, A E, Grebenyukov, V V, Arutunyan, N R, Pozharov, A S, Obraztsova, E D, Dianov, E M

“…A soliton-type erbium-doped all-fiber ring laser hybrid mode-locked with a co-action of arc-discharge single-walled carbon nanotubes (SWCNTs) and nonlinear…”
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Centers of near-IR luminescence in bismuth-doped TlCl and CsI crystals by Sokolov, V O, Plotnichenko, V G, Dianov, E M

“…A comparative first-principles study of possible bismuth-related centers in TlCl and CsI crystals is performed and the results of computer modeling are…”
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Fiber fuse effect in microstructured fibers by Dianov, E.M., Bufetov, I.A., Frolov, A.A., Chamorovsky, Y.K., Ivanov, G.A., Vorobjev, I.L.

“…The fiber fuse effect in microstructured silica fibers has been observed for the first time. The threshold intensity of laser radiation and some features of…”
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Efficient Bismuth-Doped Fiber Lasers by Dvoyrin, V.V., Mashinsky, V.M., Dianov, E.M.

“…Bismuth-doped fiber lasers with efficiency of up to 32% at room temperature and up to 52% at 77 K have been developed. The dependence of the efficiency on the…”
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Measurement of high-birefringent spun fiber parameters using short-length fiber Bragg gratings by Vasiliev, S A, Przhiyalkovsky, Ya V, Gnusin, P I, Medvedkov, O I, Dianov, E M

“…Spectral polarization characteristics of short-length fiber Bragg gratings UV-written in a highly-birefringent spun-fiber have been investigated. Based on the…”
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