40  dB gain all fiber bismuth-doped amplifier operating in the O-band von Thipparapu, N K, Wang, Y, Umnikov, A A, Barua, P, Richardson, D J, Sahu, J K

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Bi-doped fiber amplifier with a flat gain of 25  dB operating in the wavelength band 1320-1360  nm von Thipparapu, N K, Umnikov, A A, Barua, P, Sahu, J K

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Bi-doped fiber amplifiers and lasers [Invited] von Thipparapu, N K, Wang, Y, Wang, S, Umnikov, A A, Barua, P, Sahu, J K

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Highly efficient thulium-doped high-power laser fibers fabricated by MCVD von Ramírez-Martínez, N J, Núñez-Velázquez, M, Umnikov, A A, Sahu, J K

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1120 nm diode-pumped Bi-doped fiber amplifier von Thipparapu, N K, Jain, S, Umnikov, A A, Barua, P, Sahu, J K

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Photobleaching of UV-induced defects in Er/Al-doped glasses for fiber lasers von Bazakutsa, A. P., Rybaltovsky, A. A., Umnikov, A. A., Butov, O.

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Excited-state absorption in various bismuth-doped fibers von Riumkin, K E, Melkumov, M A, Varfolomeev, I A, Shubin, A V, Bufetov, I A, Firstov, S V, Khopin, V F, Umnikov, A A, Guryanov, A N, Dianov, E M

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W-type and Graded-index bismuth-doped fibers for efficient lasers and amplifiers operating in E-band von Vakhrushev, A S, Umnikov, A A, Lobanov, A S, Firstova, E G, Evlampieva, E B, Riumkin, K E, Alyshev, A V, Khegai, A M, Guryanov, A N, Iskhakova, L D, Melkumov, M A, Firstov, S V

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Bismuth-doped-glass optical fibers--a new active medium for lasers and amplifiers von Dvoyrin, V V, Mashinsky, V M, Bulatov, L I, Bufetov, I A, Shubin, A V, Melkumov, M A, Kustov, E F, Dianov, E M, Umnikov, A A, Khopin, V F, Yashkov, M V, Guryanov, A N

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Bismuth-doped all-fiber mode-locked laser operating at 1340  nm von Thipparapu, N K, Guo, C, Umnikov, A A, Barua, P, Taranta, A, Sahu, J K

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Optical amplification in 1430-1495 nm range and laser action in Bi-doped fibers von Dvoyrin, V V, Medvedkov, O I, Mashinsky, V M, Umnikov, A A, Guryanov, A N, Dianov, E M

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CW bismuth fibre laser von Dianov, Evgenii M, Dvoyrin, V V, Mashinsky, V M, Umnikov, A A, Yashkov, M V, Gur'yanov, A N

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Improvement of Efficiency in 976 nm Fiber Amplifier by Spectral Filtering in Yb-Doped Fiber with Absorbing Rods Embedded in the Cladding von 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.

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An Ytterbium-Doped Narrow-Bandwidth Randomly Distributed Feedback Laser Emitting at a Wavelength of 976 nm von Davydov, Danila A., Rybaltovsky, Andrey A., Aleshkina, Svetlana S., Velmiskin, Vladimir V., Likhachev, Mikhail E., Popov, Sergei M., Ryakhovskiy, Dmitry V., Chamorovskiy, Yuriy K., Umnikov, Andrey A., Lipatov, Denis S.

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Absorption, Gain, and Laser Action in Bismuth-Doped Aluminosilicate Optical Fibers von Dvoyrin, V.V., Kir'yanov, A.V., Mashinsky, V.M., Medvedkov, O.I., Umnikov, A.A., Guryanov, A.N., Dianov, E.M.

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WDM Transmission With In-Line Amplification at 1.3μm Using a Bi-Doped Fiber Amplifier von Taengnoi, Natsupa, Bottrill, Kyle R. H., Thipparapu, Naresh K., Umnikov, Andrey A., Sahu, Jayanta Kumar, Petropoulos, Periklis, Richardson, David J.

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Cladding-Pumped Bismuth-Doped Fiber Laser Emitting in the Wavelength Range 1.3–1.4 μm von Vakhrushev, A. S., Kharakhordin, A. V., Khegai, A. M., Alyshev, S. V., Riumkin, K. E., Firstova, E. G., Umnikov, A. A., Lobanov, A. S., Afanas’ev, F. V., Gur’yanov, A. N., Mel’kumov, M. A., Firstov, S. V.

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Properties of Silica Based Optical Fibers Doped With an Ultra-High Ytterbium Concentration von Bobkov, Konstantin K., Mikhailov, Egor K., Zaushitsyna, Tatyana S., Rybaltovsky, Andrey A., Aleshkina, Svetlana S., Melkumov, Mikhail A., Bubnov, Mikhail M., Lipatov, Denis S., Yashkov, Mikhail V., Abramov, Alexey N., Umnikov, Andrey A., Guryanov, Alexey N., Likhachev, Mikhail E.

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Comparative results of subjective assessment by professional athletes of the functional state of the knee joint after anterior cruciate ligament repair with semitendinosus and grac... von Velichko, M. N., Terskov, A. U., Belyakova, A. M., Hrabrova, E. O., Bodrov, A. V., Shturmin, A. V., Umnikov, A. S., Shurygina, A. A.

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Charge-transfer state excitation as the main mechanism of the photodarkening process in ytterbium-doped aluminosilicate fibres von Bobkov, K.K., Rybaltovsky, A.A., Vel'miskin, V.V., Likhachev, M.E., Bubnov, M.M., Dianov, E.M., Umnikov, A.A., Gur'yanov, A.N., Vechkanov, N.N., Shestakova, I.A.

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