Functional fibers and functional fiber-based components for high-power lasers

X Chen, T Yao, L Huang, Y An, H Wu, Z Pan… - Advanced Fiber …, 2023 - Springer
The success of high-power fiber lasers is fueled by maturation of active and passive fibers,
combined with the availability of high-power fiber-based components. In this contribution, we …

Towards ultimate high-power scaling: Coherent beam combining of fiber lasers

H Fathi, M Närhi, R Gumenyuk - Photonics, 2021 - mdpi.com
Fiber laser technology has been demonstrated as a versatile and reliable approach to laser
source manufacturing with a wide range of applicability in various fields ranging from …

Nonlinear ultrafast fiber amplifiers beyond the gain-narrowing limit

P Sidorenko, W Fu, F Wise - Optica, 2019 - opg.optica.org
Ultrafast lasers are becoming increasingly widespread in science and industry alike. Fiber-
based ultrafast laser sources are especially attractive because of their compactness …

5 kW monolithic fiber amplifier employing homemade spindle-shaped ytterbium-doped fiber

L Zeng, Z Pan, X Xi, H Yang, Y Ye, L Huang, H Zhang… - Optics Letters, 2021 - opg.optica.org
We have demonstrated a 5 kW high-power monolithic fiber amplifier employing a
homemade spindle-shaped ytterbium-doped fiber (YDF) based on the main oscillator power …

10 kW tandem pumping fiber amplifier with good beam quality based on tapered ytterbium-doped fiber

C Wang, H Xiao, X Xi, W Liu, R Li, Z Pan, H Yang… - Optics …, 2023 - opg.optica.org
In this paper, we established a high power tandem pumped fiber amplifier based on tapered
ytterbium-doped fiber (TYDF). The TYDF is developed in-house with a core/inner cladding …

Scaling of average power in sub-MW peak power Yb-doped tapered fiber picosecond pulse amplifiers

K Bobkov, A Levchenko, T Kashaykina, S Aleshkina… - Optics …, 2021 - opg.optica.org
Prospects for average power scaling of sub-MW output peak power picosecond fiber lasers
by utilization of a Yb-doped tapered fiber at the final amplification stage were studied. In this …

Generation of ultrafast laser with 11 MW peak power from a gain-managed nonlinear tapered fiber amplifier

B Ren, C Li, T Wang, K Guo, J Wu, R Su, P Ma… - Optics & Laser …, 2023 - Elsevier
A gain-managed nonlinear (GMN) tapered fiber amplifier with a monolithic configuration is
experimentally demonstrated. Both the forward and backward pumping scheme were …

Ultra-low NA step-index large mode area Yb-doped fiber with a germanium doped cladding for high power pulse amplification

R Sidharthan, D Lin, K Jie Lim, H Li, S Huiting Lim… - Optics Letters, 2020 - opg.optica.org
High concentration rare earth doped, large mode area (LMA) step-index fibers, which
feature a very high cladding absorption per unit length at the pump wavelength, high …

Tapered Yb-doped fiber enabled a 4 kW near-single-mode monolithic fiber amplifier

Y Ye, X Lin, B Yang, X Xi, C Shi, H Zhang, X Wang… - Optics Letters, 2022 - opg.optica.org
In this Letter, we demonstrate a monolithic high-power master oscillator power amplifier by
using a home-made double-clad tapered Yb-doped fiber (T-YDF) with an input end of∼ …

High power monolithic tapered ytterbium-doped fiber laser oscillator

B Yang, H Zhang, C Shi, X Wang, Z Pan, Z Wang… - Optics …, 2019 - opg.optica.org
In the power scaling of monolithic fiber lasers, the fiber nonlinear effects and transverse
mode instability are main limitations. The tapered gain fiber has a longitudinally varying …