Search Results - "Alyshev, Sergey V."

Improvement of Efficiency in 976 nm Fiber Amplifier by Spectral Filtering in Yb-Doped Fiber with Absorbing Rods Embedded in the Cladding by Aleshkina, Svetlana S., Davydov, Danila A., Velmiskin, Vladimir V., Yashkov, Mikhail V., Umnikov, Andrey A., Alyshev, Sergey V., Iskhakova, Liudmila D., Bubnov, Mikhail M., Lipatov, Denis S., Likhachev, Mikhail E.

“…A novel Yb-doped fiber design for improved lasing near 976 nm based on spectral filtering of the amplified spontaneous emission near 1030 nm was realized and…”
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Polarized Luminescence of Bismuth Active Centers in Phosphosilicate Glasses by Elopov, Alexander V., Riumkin, Konstantin E., Afanasiev, Fedor V., Alyshev, Sergey V., Kharakhordin, Alexander V., Khegai, Aleksandr M., Firstova, Elena G., Firstov, Sergei V., Nishchev, Konstantin N., Melkumov, Mikhail A.

“…The polarization properties of bismuth active centers (BACs) are important for many applications of bismuth-doped fibers, but they are still lacking in study…”
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A 23-dB bismuth-doped optical fiber amplifier for a 1700-nm band by Firstov, Sergei V., Alyshev, Sergey V., Riumkin, Konstantin E., Khopin, Vladimir F., Guryanov, Alexey N., Melkumov, Mikhail A., Dianov, Evgeny M.

“…It is now almost twenty-five years since the first Erbium-Doped Fiber Amplifier (EDFA) was demonstrated. Currently, the EDFA is one of the most important…”
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Compact and efficient O-band bismuth-doped phosphosilicate fiber amplifier for fiber-optic communications by Firstov, Sergei V., Khegai, Aleksandr M., Kharakhordin, Alexander V., Alyshev, Sergey V., Firstova, Elena G., Ososkov, Yan J., Melkumov, Mikhail A., Iskhakova, Lyudmila D., Evlampieva, Elena B., Lobanov, Alexey S., Yashkov, Mikhail V., Guryanov, Alexey N.

“…During last decades there has been considerable interest in developing a fiber amplifier for the 1.3- μ m spectral region that is comparable in performance to…”
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Laser-induced bleaching and thermo-stimulated recovery of luminescent centers in bismuth-doped optical fibers by Firstov, Sergei V., Alyshev, Sergey V., Kharakhordin, Alexander V., Riumkin, Konstantin E., Dianov, Evgeny M.

“…In this paper, we report the detailed study of photobleaching and recovery in bismuth-doped fibers that proved to be a unique laser media for the near IR…”
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Performance of 1.73 μm Superluminescent Source Based on Bismuth-Doped Fiber Under Various Temperature Conditions and γ-Irradiation by Riumkin, Konstantin E., Firstov, Sergei V., Alyshev, Sergey V., Khegai, Aleksandr M., Melkumov, Mikhail A., Khopin, Vladimir F., Kharakhordin, Alexander V., Guryanov, Alexei N., Dianov, Evgeny M.

“…Performance characteristics of superluminescent fiber source (SFS) operating at 1.73 μm under different temperature conditions and gamma-irradiation of active…”
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Operation of a Single-Frequency Bismuth-Doped Fiber Power Amplifier near 1.65 µm by Gomółka, Grzegorz, Krajewska, Monika, Kaleta, Małgorzata, Khegai, Aleksandr M., Alyshev, Sergey V., Lobanov, Aleksey S., Firstov, Sergei V., Nikodem, Michał

“…The spectral range between 1650 and 1700 nm is an interesting region due to its potential applications in optical telecommunication and optical-based methane…”
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Laser-Active Fibers Doped With Bismuth for a Wavelength Region of 1.6-1.8 μm by Firstov, Sergei V., Alyshev, Sergey V., Riumkin, Konstantin E., Khegai, Aleksandr M., Kharakhordin, Alexander V., Melkumov, Mikhail A., Dianov, Evgeny M.

“…The light sources operating in the spectral range 1600-1800 nm are of great interest because of a number of potential scientific and practical applications…”
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Dependence of the photobleaching on laser radiation wavelength in bismuth-doped germanosilicate fibers by Firstov, Sergei V., Alyshev, Sergey V., Firstova, Elena G., Melkumov, Mikhail A., Khegay, Alexander M., Khopin, Vladimir F., Guryanov, Alexey N., Dianov, Evgeny M.

“…Photobleaching of IR luminescence in bismuth-doped fibers was studied using laser radiation with different wavelengths: 407, 532, 639, 975, 1460nm. For each…”
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Effect of heat treatment parameters on the optical properties of bismuth-doped GeO 2 :SiO 2 glass fibers by Firstov, Sergei V., Alyshev, Sergey V., Khopin, Vladimir F., Kharakhordin, Alexandr V., Lobanov, Alexey S., Firstova, Elena G., Riumkin, Konstantin E., Khegai, Aleksandr M., Melkumov, Mikhail A., Guryanov, Alexey N., Dianov, Evgeny M.

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Effect of heat treatment parameters on the optical properties of bismuth-doped GeO2:SiO2 glass fibers by Firstov, Sergei V, Alyshev, Sergey V, Khopin, Vladimir F, Kharakhordin, Alexandr V, Lobanov, Alexey S, Firstova, Elena G, Riumkin, Konstantin E, Khegai, Aleksandr M, Melkumov, Mikhail A, Guryanov, Alexey N, Dianov, Evgeny M

“…We present experimental results on the effects of isothermal and isochronal heat treatments, cooling and heating rates in the temperature range 400–600 °C on…”
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1030 nm amplified spontaneous emission suppression in Yb-doped fiber amplifier operating near 976 nm by Aleshkina, Svetlana S., Davydov, Danila A., Velmiskin, Vladimir V., Yashkov, Mikhail V., Umnikov, Andrey A., Alyshev, Sergey V., Iskhakova, Liudmila D., Bubnov, Mikhail M., Lipatov, Denis S., Likhachev, Mikhail E.

“…A newly-designed Yb-doped fiber type, intended to enhance 976 nm lasing by suppressing the spectral component including 1030 nm amplified spontaneous emission…”
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Optical signal generation and amplification in the spectral region from 1600 to 1800 nm based on bismuth-doped fiber by Gomolka, Grzegorz, Majewski, Michal, Zatorska, Magdalena, Khegai, Aleksandr M., Alyshev, Sergey V., Lobanov, Aleksey S., Firstov, Sergei V., Nikodem, Michal

“…We present a tunable, continuous-wave fiber laser with a tuning range of 187 nm (1617-1804 nm) and an fiber amplifier with an output power of more than 200 mW,…”
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