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Author:

Shen, Mo (Shen, Mo.) | Sun, Ruoyu (Sun, Ruoyu.) | Jin, Dongchen (Jin, Dongchen.) | Liu, Wei (Liu, Wei.) | Hong, Chang (Hong, Chang.) | Liu, Jiang (Liu, Jiang.) | Wang, Pu (Wang, Pu.)

Indexed by:

EI Scopus PKU CSCD

Abstract:

We report a compact 930 nm passive mode-locking Nd-doped all-fiber laser for the first time. The laser consists of a Nd-doped all-fiber oscillator and a Nd-doped all-fiber amplifier. The oscillator uses the linear cavity structure. The gain medium is an 8 cm highly Nd-doped silica fiber, and the pump source is a semiconductor laser with the central wavelength of 808 nm and the maximum output power of 200 mW. By using a semiconductor saturable absorber mirror as saturable absorber to realize passive mode-locking, the ultrashort pulse laser is achieved. The laser generates 8.8 ps pulse width with the average power of 1 mW and the repetition rate of 28.2 MHz. The spectrum has sharp edge with the 3 dB spectral width of 0.37 nm. To avoid the competition from 1060 nm wavelength, we make use of a 10 m W-typed Nd-doped fiber as the gain medium.As a result,the 1060 nm wavelength during the amplification is effectively suppressed. Finally, we achieve a laser output with the average power of 117 mW, the center wavelength of 930 nm, the repetition rate of 28.2 MHz, and the single pulse energy of 4.15 nJ. The pulse width is 8.8 ps and the 10 dB spectrum width is 2.98 nm. © 2017, Chinese Lasers Press. All right reserved.

Keyword:

Fiber amplifiers Passive mode locking Pulse repetition rate Pumping (laser) Semiconductor lasers Semiconductor saturable absorber mirrors Mode-locked fiber lasers Silica Laser mirrors Fibers Fiber lasers Lasers

Author Community:

  • [ 1 ] [Shen, Mo]Beijing Research Center of Laser Application and Engineering, Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 2 ] [Sun, Ruoyu]Beijing Research Center of Laser Application and Engineering, Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 3 ] [Jin, Dongchen]Beijing Research Center of Laser Application and Engineering, Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 4 ] [Liu, Wei]Beijing Research Center of Laser Application and Engineering, Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 5 ] [Hong, Chang]Beijing Research Center of Laser Application and Engineering, Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 6 ] [Liu, Jiang]Beijing Research Center of Laser Application and Engineering, Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China
  • [ 7 ] [Wang, Pu]Beijing Research Center of Laser Application and Engineering, Institute of Laser Engineering, Beijing University of Technology, Beijing; 100124, China

Reprint Author's Address:

  • [wang, pu]beijing research center of laser application and engineering, institute of laser engineering, beijing university of technology, beijing; 100124, china

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Source :

Chinese Journal of Lasers

ISSN: 0258-7025

Year: 2017

Issue: 6

Volume: 44

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 2

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 17

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