Zobrazeno 1 - 10
of 151
pro vyhledávání: '"Mikhail Melkumov"'
Autor:
Aleksandr Donodin, Egor Manuylovich, Vladislav Dvoyrin, Mikhail Melkumov, Valery Mashinsky, Sergei Turitsyn
Publikováno v:
APL Photonics, Vol 9, Iss 4, Pp 046102-046102-10 (2024)
Multi-band transmission is one of the key practical solutions to cope with the continuously growing demand on the capacity of optical communication networks without changing the huge existing fiber base. However, ultra-broadband communication require
Externí odkaz:
https://doaj.org/article/c3f0af84374b490585293b2e2af35234
Autor:
Alexander Vakhrushev, Andrey Umnikov, Sergey Alyshev, Aleksandr Khegai, Elena Firstova, Lyudmila Iskhakova, Aleksei Guryanov, Mikhail Melkumov, Sergei Firstov
Publikováno v:
Photonics, Vol 9, Iss 11, p 788 (2022)
In this paper, we report the latest research results on the fabrication of double-clad Bi-doped germanosilicate core fibers with a rectangular inner cladding design for improved laser performance in the near-IR spectral region. Detailed comparative a
Externí odkaz:
https://doaj.org/article/1fd3e73323db44ca8de7b42b84f16aff
Autor:
Yan Ososkov, Aleksandr Khegai, Konstantin Riumkin, Aram Mkrtchyan, Yuriy Gladush, Dmitry Krasnikov, Albert Nasibulin, Mikhail Yashkov, Alexey Guryanov, Mikhail Melkumov
Publikováno v:
Photonics, Vol 9, Iss 9, p 608 (2022)
We report on the first demonstration of the Tm-doped all-PM mode-locked fiber laser with CNT used as a saturable absorber and two fiber Lyot filters embedded into the ring resonator. Using these two filters, we were able to adjust the central wavelen
Externí odkaz:
https://doaj.org/article/2211bd64cc51489a8bf8f398398e85b1
Autor:
Alexander Vakhrushev, Yan Ososkov, Sergey Alyshev, Aleksandr Khegai, Andrey Umnikov, Fedor Afanasiev, Konstantin Riumkin, Elena Firstova, Alexey Guryanov, Mikhail Melkumov, Sergei Firstov
Publikováno v:
Journal of Lightwave Technology. 41:709-715
Autor:
Sergey Alyshev, Fedor Afanasiev, Konstantin Riumkin, Aleksandr Kharakhordin, Yan Ososkov, Vladimir F. Khopin, Aleksandr Khegai, Mikhail Melkumov, A N Gur'yanov, Sergei V. Firstov
Publikováno v:
Journal of Lightwave Technology. 40:1161-1166
Autor:
Yuriy Gladush, Pavlos G. Lagoudakis, Mikhail Melkumov, Aram A. Mkrtchyan, Albert G. Nasibulin, Aleksandr Khegai, Kirill A. Sitnik
Publikováno v:
Journal of Lightwave Technology. 39:5582-5588
Moving the fiber laser emission to the region below one micron may provide a cheaper, more compact and robust alternatives to the existing solid state lasers. Here, for the first time we report a neodymium mode-locked fiber laser emitting at 905 nm i
Autor:
A. S. Lobanov, Mikhail Melkumov, A N Gur'yanov, Konstantin Riumkin, Aleksandr Khegai, Sergey Alyshev, A. V. Kharakhordin, E. G. Firstova, Ya.Zh. Ososkov, Sergei V. Firstov, A. S. Vakhrushev
Publikováno v:
Quantum Electronics. 51:630-634
This paper reports on transient processes and cross talk (cross modulation) in an O-band (1260 – 1360 nm) bismuth-doped phosphosilicate fibre amplifier. Times characterising dynamic parameters of the amplifier at a pump wavelength of 1.23 μm have
Autor:
Alexander Vakhrushev, Aleksandr Khegai, Sergey Alyshev, Konstantin Riumkin, Alexander Kharakhordin, Elena Firstova, Andrey Umnikov, Alexey Lobanov, Fedor Afanasiev, Aleksei Guryanov, Mikhail Melkumov, Sergei Firstov
Publikováno v:
Optics Letters. 48:1339
Bismuth-doped fibers (BDFs) are considered nowadays as an essential part of the development of novel optical amplifiers, which can provide a significant upgrade to existing fiber optic telecommunication systems, securing multiband data transmission.
Autor:
Vladimir F. Khopin, Mikhail Melkumov, Fedor Afanasiev, Konstantin Riumkin, A N Gur'yanov, Mikhail V. Yashkov, Alexey S. Lobanov, Sergei V. Firstov, Aleksandr Khegai, Yan Ososkov, E. G. Firstova, A. N. Abramov
Publikováno v:
Journal of Lightwave Technology. 38:6114-6120
In this article, we describe the technology for manufacturing of the phosphosilicate bismuth-doped optical fibers providing optical amplification near 1.32 $\mu$ m. The effect of preforming sintering process and fiber drawing on the optical propertie
Autor:
Sergei Firstov, Andrey Umnikov, Aleksandr Kharakhordin, Alexander Vakhrushev, Elena Firstova, Sergey Alyshev, Aleksandr Khegai, Konstantin Riumkin, Yan Ososkov, Aleksei Guryanov, Mikhail Melkumov
Publikováno v:
Optics letters. 47(4)
For the first time, to the best of the authors’ knowledge, a cladding-pumped bismuth-doped fiber laser (BDFL) is demonstrated. A “home-made” Bi-doped germanosilicate fiber with a 125 µm circular outer cladding made of fused silica and coated b