Multi-pumped tellurite-based Raman fiber amplifier based on Gaussian fitting of gain spectrum
Sign Up to like & getrecommendations! Published in 2018 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-018-1515-z
Abstract: The theoretical model and amplification principle of Raman fiber amplifier (RFA) are introduced. The gain curve and gain coefficient function which can accurately reflect the information of Raman gain spectrum (RGS) are obtained by the… read more here.
Keywords: raman fiber; gain; fiber amplifier; fiber ... See more keywords
Widely flatness gain bandwidth with double pass parallel hybrid fiber amplifier
Sign Up to like & getrecommendations! Published in 2021 at "Optical and Quantum Electronics"
DOI: 10.1007/s11082-021-03021-8
Abstract: A Widely flatness gainbandwidth with double pass parallel hybrid fiber amplifier is experimentally demonstrated in this study. The proposed design combines serial erbium–Raman fiber amplifier in one branch and Raman fiber amplifier in the second… read more here.
Keywords: pass parallel; widely flatness; gain; fiber amplifier ... See more keywords
Sensitization of Er3+ NIR emission using Yb3+ ions in alkaline-earth chloro borate glasses for fiber laser and optical fiber amplifier applications
Sign Up to like & getrecommendations! Published in 2021 at "Materials Research Bulletin"
DOI: 10.1016/j.materresbull.2020.111144
Abstract: Abstract This paper reports on the sensitization of Er3+ ions near infrared emission (1.54 μm) using Yb3+ as a sensitizer in alkaline-earth chloro borate (AECB) glasses synthesized by using melting quenching method. The Er3+ NIR… read more here.
Keywords: amplifier applications; nir emission; fiber amplifier; emission using ... See more keywords
Generation of 46 W green-light by frequency doubling of 96 W picosecond unpolarized Yb-doped fiber amplifier
Sign Up to like & getrecommendations! Published in 2018 at "Optics and Laser Technology"
DOI: 10.1016/j.optlastec.2017.11.048
Abstract: Abstract We demonstrated a high efficiency and high average power picosecond green light source based on SHG (second harmonic generation) of an unpolarized ytterbium-doped fiber amplifier chain. Using single-pass frequency doubling in two temperature-tuned type-I… read more here.
Keywords: doped fiber; frequency; frequency doubling; fiber amplifier ... See more keywords
Few-mode ring-core quantum dots-doped optical fiber amplifier
Sign Up to like & getrecommendations! Published in 2019 at "Optical Fiber Technology"
DOI: 10.1016/j.yofte.2019.05.003
Abstract: Abstract Optical fiber amplifier is a vital device in optical communication system, which can directly amplify optical signal. We theoretically propose a type of few-mode quantum dots-doped fiber amplifier (FM-QDFA) in this paper, capable of… read more here.
Keywords: quantum dots; ring core; optical fiber; fiber amplifier ... See more keywords
Suppressing transverse mode instability through multimode excitation in a fiber amplifier.
Sign Up to like & getrecommendations! Published in 2022 at "Proceedings of the National Academy of Sciences of the United States of America"
DOI: 10.1073/pnas.2217735120
Abstract: High-power fiber laser amplifiers have enabled an increasing range of applications in industry, science, and defense. The power scaling for fiber amplifiers is currently limited by transverse mode instability. Most techniques for suppressing the instability… read more here.
Keywords: mode instability; instability; fiber; transverse mode ... See more keywords
A Fast Method to Analyze the Fiber Amplifier With the GTWave Pumping Configuration
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2018.2834820
Abstract: The pump propagation in the GTWave pumping structure is studied with analytical method and the beam propagation method (BPM). The power distribution function $f(\xi)=P_0(z)/[P_0(z)+P_1(z)]$ is proved to be independent of the fiber core size and… read more here.
Keywords: gtwave pumping; pumping configuration; fiber amplifier; fiber ... See more keywords
2090 nm 200 W Peak Power 50 ns Pulsed PM Ho-Doped Fiber Amplifier Pumped at 1860 nm
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Lightwave Technology"
DOI: 10.1109/jlt.2021.3082039
Abstract: We report the design and performance of a 2 $\mu$m dual-stage polarization maintaining (PM) holmium-doped fiber amplifier (HDFA) operating in either continuous-wave (CW) or pulsed regime. The amplifier is pumped at 1860 nm, which offers… read more here.
Keywords: tex math; power; fiber amplifier; doped fiber ... See more keywords
Performance degradation and recovery of irradiated spaceborne fiber amplifier.
Sign Up to like & getrecommendations! Published in 2022 at "Applied optics"
DOI: 10.1364/ao.445756
Abstract: The output performance of the spaceborne fiber amplifier will degrade when exposed to radiation in aerospace environment. In this work, we have proposed a two-stage erbium-ytterbium-co-doped fiber amplifier (EYDFA) and studied the degradation performance under… read more here.
Keywords: spaceborne fiber; recovery irradiated; performance; fiber amplifier ... See more keywords
Diamond Raman laser and Yb fiber amplifier for in vivo multiphoton fluorescence microscopy.
Sign Up to like & getrecommendations! Published in 2022 at "Biomedical optics express"
DOI: 10.1364/boe.448978
Abstract: Here we introduce a fiber amplifier and a diamond Raman laser that output high powers (6.5 W, 1.3 W) at valuable wavelengths (1060 nm, 1250 nm) for two-photon excitation of red-shifted fluorophores. These custom excitation sources are… read more here.
Keywords: raman laser; microscopy; diamond raman; fiber amplifier ... See more keywords
Filtered pseudo random modulated fiber amplifier with enhanced coherence and nonlinear suppression.
Sign Up to like & getrecommendations! Published in 2017 at "Optics express"
DOI: 10.1364/oe.25.017671
Abstract: Pseudo random phase modulation signals have been shown to provide considerable stimulated Brillouin scattering (SBS) suppression in narrow linewidth Yb-doped all-fiber amplifiers. In terms of coherent beam combining, however, pseudo random signals display a linear… read more here.
Keywords: suppression; filtered pseudo; coherence; pseudo random ... See more keywords