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Author:

Zhang, Wenping (Zhang, Wenping.) | Song, Yanrong (Song, Yanrong.) (Scholars:宋晏蓉) | Guoyu, Heyang (Guoyu, Heyang.) | Xu, Runqin (Xu, Runqin.) | Dong, Zikai (Dong, Zikai.) | Li, Kexuan (Li, Kexuan.) | Tian, Jinrong (Tian, Jinrong.) | Gong, Shuang (Gong, Shuang.)

Indexed by:

EI Scopus SCIE

Abstract:

We demonstrated the noise-like pulse (NLP) generation in an ytterbium-doped fiber (YDF) laser with tungsten disulphide (WS2). Stable fundamental mode locking and second-order harmonic mode locking were observed. The saturable absorber (SA) was a WS2-polyvinyl alcohol film. The modulation depth of the WS2 film was 2.4%, and the saturable optical intensity was 155 MW cm(-2). Based on this SA, the fundamental NLP with a pulse width of 20 ns and repetition rate of 7 MHz were observed. The autocorrelation trace of output pulses had a coherent spike, which came from NLP. The average pulse width of the spike was 550 fs on the top of a broad pedestal. The second-order harmonic NLP had a spectral bandwidth of 1.3 nm and pulse width of 10 ns. With the pump power of 400 mW, the maximum output power was 22.2 mW. To the best of our knowledge, this is the first time a noise-like mode locking in an YDF laser based on WS2-SA in an all normal dispersion regime was obtained. (C) 2017 Society of Photo-Optical Instrumentation Engineers (SPIE)

Keyword:

fiber laser tungsten disulphide mode locking noise-like pulse

Author Community:

  • [ 1 ] [Zhang, Wenping]Beijing Univ Technol, Coll Appl Sci, Beijing, Peoples R China
  • [ 2 ] [Song, Yanrong]Beijing Univ Technol, Coll Appl Sci, Beijing, Peoples R China
  • [ 3 ] [Guoyu, Heyang]Beijing Univ Technol, Coll Appl Sci, Beijing, Peoples R China
  • [ 4 ] [Xu, Runqin]Beijing Univ Technol, Coll Appl Sci, Beijing, Peoples R China
  • [ 5 ] [Dong, Zikai]Beijing Univ Technol, Coll Appl Sci, Beijing, Peoples R China
  • [ 6 ] [Li, Kexuan]Beijing Univ Technol, Coll Appl Sci, Beijing, Peoples R China
  • [ 7 ] [Tian, Jinrong]Beijing Univ Technol, Coll Appl Sci, Beijing, Peoples R China
  • [ 8 ] [Gong, Shuang]Beijing Univ Technol, Coll Appl Sci, Beijing, Peoples R China
  • [ 9 ] [Li, Kexuan]Chinese Peoples Armed Police Force Acad, Langfang, Hebei, Peoples R China

Reprint Author's Address:

  • 宋晏蓉

    [Song, Yanrong]Beijing Univ Technol, Coll Appl Sci, Beijing, Peoples R China;;[Tian, Jinrong]Beijing Univ Technol, Coll Appl Sci, Beijing, Peoples R China

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Source :

OPTICAL ENGINEERING

ISSN: 0091-3286

Year: 2017

Issue: 12

Volume: 56

1 . 3 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:165

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 11

SCOPUS Cited Count: 9

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 5

Affiliated Colleges:

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