Thermal stability of bismuth-doped high-GeO2 fiber lasers

Sergey V. Alyshev; Alexandr V. Kharakhordin; Aleksandr M. Khegai; Konstantin E. Riumkin; Elena G. Firstova; Mikhail A. Melkumov; Vladimir F. Khopin; Alexey S. Lobanov; Aleksey N. Guryanov; Sergei V. Firstov

doi:10.1117/12.2555406

1 April 2020 Thermal stability of bismuth-doped high-GeO₂ fiber lasers

Sergey V. Alyshev, Alexandr V. Kharakhordin, Aleksandr M. Khegai, Konstantin E. Riumkin, Elena G. Firstova, Mikhail A. Melkumov, Vladimir F. Khopin, Alexey S. Lobanov, Aleksey N. Guryanov, Sergei V. Firstov

Author Affiliations +

Proceedings Volume 11357, Fiber Lasers and Glass Photonics: Materials through Applications II; 113570P (2020) https://doi.org/10.1117/12.2555406
Event: SPIE Photonics Europe, 2020, Online Only

Abstract

In this paper, we performed numerical and experimental study of the stability of bismuth-doped high-GeO₂ glass core fiber used as an active medium in lasers operating in the wavelength region 1600 - 1800 nm. Mainly, we focus on the investigation of the joint effects of temperature and pumping radiation on the spectroscopic and laser characteristics of the fibers. Temporal evolution of the degradation of bismuth-related active centers (BACs) under pumping at 1550 nm, as well as the annealing of the fibers at temperature ranging from 300 to 550 °C was experimentally revealed and studied. A model describing the photochemical processes of the transformation of the BACs at different ambient conditions was proposed and used to make a long-term prediction of the dynamics of the process. The ability to simulate the long-term behavior of the medium might be instrumental since direct measurements are time consuming and therefore impractical. In addition, we performed numerical simulation to find out how the effect of photoinduced degradation of BACs affects the performance of a laser based on this type of fibers.

Conference Presentation

Citation Download Citation

Sergey V. Alyshev, Alexandr V. Kharakhordin, Aleksandr M. Khegai, Konstantin E. Riumkin, Elena G. Firstova, Mikhail A. Melkumov, Vladimir F. Khopin, Alexey S. Lobanov, Aleksey N. Guryanov, and Sergei V. Firstov "Thermal stability of bismuth-doped high-GeO₂ fiber lasers", Proc. SPIE 11357, Fiber Lasers and Glass Photonics: Materials through Applications II, 113570P (1 April 2020); https://doi.org/10.1117/12.2555406

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available