Comparisons of kilowatt Yb-Raman fiber amplifiers employing a superfluorescent fiber source and fiber oscillator | Zendy

Jiaxin Song | Zendy; Hanshuo Wu | Zendy; Shuai Ren | Zendy; Wei Liu | Zendy; Pengfei Ma | Zendy; Xiao Hu | Zendy; Pu Zhou | Zendy

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Comparisons of kilowatt Yb-Raman fiber amplifiers employing a superfluorescent fiber source and fiber oscillator

Author(s) -

Jiaxin Song,

Hanshuo Wu,

Shuai Ren,

Wei Liu,

Pengfei Ma,

Xiao Hu,

Pu Zhou

Publication year - 2021

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.432887

Subject(s) - laser linewidth , materials science , raman spectroscopy , fiber laser , optics , fiber , optoelectronics , amplifier , raman laser , raman scattering , laser , physics , cmos , composite material

In this paper, we demonstrate experimental investigations on kilowatt-level Yb-Raman fiber amplifiers (YRFAs) employing a superfluorescent fiber source (SFS) or a multi-longitudinal mode fiber oscillator (OSC) as the Raman-pump laser. Through comparing the output properties of the two YRFAs, the experimental results reveal that the YRFA employing the SFS is superior to the YRFA employing the OSC in the performances of power scalability and narrow-linewidth operation. Meanwhile, about 1.16 kW Raman-signal laser at 1120 nm is obtained through the YRFA employing the SFS as the Raman-pump laser. Overall, the presentation could provide an effective solution for the design of high-power narrow linewidth YRFAs.

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