New Bismuth-doped fiber laser operating at 1625-1775 nm. - Evgeny M. Dianov; Sergei Firstov; Sergey Alyshev; Konstantin Riumkin; S. V. Shubin; Vladimir Khopin; Alexey N. Guryanov; Oleg I. Medvedkov; Mikhail Melkumov (ECOC, 2014)

Excited state absorption in bismuth-doped fibers with various glass compositions. - Evgeny M. Dianov; Konstantin Riumkin; Mikhail Melkumov; I. A. Bufetov (OFC, 2014)

Bismuth-doped optical fiber amplifier and watt-level CW laser for the spectral region 1600-1800 nm. - Sergei Firstov; Vladimir Khopin; Sergey Alyshev; Konstantin Riumkin; Mikhail Melkumov; Alexey N. Guryanov; Evgeny M. Dianov (OFC, 2016)

Broadband optical amplifier for a wavelength region of 1515-1775 nm. - Sergei Firstov; Konstantin Riumkin; Sergey Alyshev; Mikhail Melkumov; Evgeny M. Dianov (OFC, 2017)

Bismuth-Doped Optical Fibers for the Telecommunication L and U Bands: Effect of Laser and Thermal Treatment on Gain Characteristics. - Evgeny M. Dianov; Sergei Firstov; Sergey Alyshev; Alexander Kharakhordin; Konstantin Riumkin; Mikhail Melkumov; Vladimir Khopin; Alexey N. Guryanov (ECOC, 2018)

Simple Broadband Bismuth Doped Fiber Amplifier (BDFA) to Extend O-Band Transmission Reach and Capacity. - Vitaly Mikhailov; Mikhail Melkumov; Daryl Inniss; Aleksandr Khegai; Konstantin Riumkin; Sergei Firstov; Fedor Afanasiev; Man F. Yan; Yingzhi Sun; Jiawei Luo; Gabriel S. Puc; Scott D. Shenk; et al. (OFC, 2019)

O-Band Bismuth-Doped Fiber Amplifier with 67 nm Bandwidth. - Aleksandr Khegai; Yan Ososkov; Sergei Firstov; Konstantin Riumkin; Sergey Alyshev; Alexander Kharakhordin; Elena Firstova; Fedor Afanasiev; Vladimir Khopin; Alexey N. Guryanov; Mikhail Melkumov (OFC, 2020)

O+E Band BDFA with Flattop 116 nm Gain Bandwidth Pumped with 250 mW at 1256 nm. - Aleksandr Khegai; Yan Ososkov; Sergei Firstov; Konstantin Riumkin; Sergey Alyshev; Alexander Kharakhordin; Alexey Lobanov; Alexey N. Guryanov; Mikhail Melkumov (OFC, 2021)