Photostability of laser-active centers in bismuth-doped GeO2–SiO2 glass fibers under pumping at 1550 nm | Zendy

Sergey Alyshev | Zendy; Alexander Kharakhordin | Zendy; Elena Firstova | Zendy; Aleksandr Khegai | Zendy; Mikhail Melkumov | Zendy; V. F. Khopin | Zendy; Alexey Lobanov | Zendy; Alexey Guryanov | Zendy; Sergei Firstov | Zendy

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Photostability of laser-active centers in bismuth-doped GeO₂–SiO₂ glass fibers under pumping at 1550 nm

Author(s) -

Sergey Alyshev,

Alexander Kharakhordin,

Elena Firstova,

Aleksandr Khegai,

Mikhail Melkumov,

V. F. Khopin,

Alexey Lobanov,

Alexey Guryanov,

Sergei Firstov

Publication year - 2019

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.27.031542

Subject(s) - bismuth , materials science , optics , doping , fiber laser , laser , optical fiber , optical pumping , optoelectronics , physics , metallurgy

We report experimental measurements and numerical calculations regarding the photostability of laser-active centers associated with bismuth (BACs) in Bi-doped GeO 2 -SiO 2 glass fibers under pumping at 1550 nm at different temperatures. It was discovered that BACs are unstable under 1550-nm pumping when the temperature is elevated to hundreds of degrees centigrade. A simple numerical model was proposed to account for the discovered instability which turned out to be in good agreement with the experimental data.

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