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Author:

Zhang, Ze-Xin (Zhang, Ze-Xin.) | Tian, Jin-Rong (Tian, Jin-Rong.) | Mao, Lin (Mao, Lin.) | Song, Yan-Rong (Song, Yan-Rong.)

Indexed by:

EI Scopus SCIE

Abstract:

High-quality, ultrafast fiber lasers have long been favored by both research and industry for many desirable properties. Here, we present an Yb-doped fiber laser system by utilizing a directly spliced photonic crystal fiber (PCF) to amplify a seed source, and 124 fs ultrashort pulses are obtained with an average power of 6.55 W and at a repetition rate of 100.15 MHz. This system efficiently boosts dissipative soliton pulses generated through nonlinear polarization rotation, achieving a maximum output power of 8.37 W, with a corresponding slope efficiency of 55.8%. After compression, a linearly polarized output of 124 fs and 6.55 W is achieved, corresponding to a peak power of 527 kW. To the best of our knowledge, this is the highest linearly polarized output power in 100 fs level from single-stage fiber amplifier based on PCF. The M2 factors are measured to be about Mx2 = 1.13 and My2 = 1.12, respectively. The standard deviation of output power over a 2.5 h period is determined to be 0.72% and no significant wavelength drifts or intensity fluctuations are observed. Furthermore, the laser system has been employed to generate supercontinuum in PCF, confirming the practical capabilities of this laser. These results demonstrate the promising potential of this compact fiber laser system for both research and industrial applications.

Keyword:

amplifier photonic crystal fiber ultrafast fiber laser

Author Community:

  • [ 1 ] [Zhang, Ze-Xin]Beijing Univ Technol, Sch Phys & Optoelect Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Tian, Jin-Rong]Beijing Univ Technol, Sch Phys & Optoelect Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Mao, Lin]Beijing Univ Technol, Sch Phys & Optoelect Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Song, Yan-Rong]Beijing Univ Technol, Sch Phys & Optoelect Engn, Beijing 100124, Peoples R China

Reprint Author's Address:

  • [Tian, Jin-Rong]Beijing Univ Technol, Sch Phys & Optoelect Engn, Beijing 100124, Peoples R China

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Source :

LASER PHYSICS

ISSN: 1054-660X

Year: 2025

Issue: 3

Volume: 35

1 . 2 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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