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Author:

Zhang, Qian (Zhang, Qian.) | Hou, Yubin (Hou, Yubin.) | Wang, Xi (Wang, Xi.) | Song, Weihua (Song, Weihua.) | Chen, Xu (Chen, Xu.) (Scholars:徐晨) | Bin, Wu (Bin, Wu.) | Li, Ju (Li, Ju.) | Zhao, Chunnong (Zhao, Chunnong.) | Wang, Pu (Wang, Pu.)

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EI Scopus SCIE

Abstract:

We demonstrated an ultra-low-noise polarization-maintaining (PM) single-frequency fiber laser at 2 mu m. Both relative intensity noise (RIN) and frequency noise were improved by suppressing the pump source RIN using feedback control. After a two-stage Tm3+-doped PM fiber amplifier, the output power reached about 5 W, and the amplifier did not introduce any observable extra frequency noise. The frequency noise was less than 100 Hz/ root HZ above 13 Hz which is comparable to the frequency noise of a typical seed laser of the Advanced LIGO high-power laser. The central wavelength was measured to be 1990.25 nm, with a polarization extinction ratio above 24 dB. (C) 2020 Optical Society of America

Keyword:

Author Community:

  • [ 1 ] [Zhang, Qian]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Hou, Yubin]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Wang, Xi]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 4 ] [Song, Weihua]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 5 ] [Wang, Pu]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China
  • [ 6 ] [Zhang, Qian]Univ Western Australia, Dept Phys, OzGrav UWA, Perth, WA 6009, Australia
  • [ 7 ] [Hou, Yubin]Univ Western Australia, Dept Phys, OzGrav UWA, Perth, WA 6009, Australia
  • [ 8 ] [Chen, Xu]Univ Western Australia, Dept Phys, OzGrav UWA, Perth, WA 6009, Australia
  • [ 9 ] [Bin, Wu]Univ Western Australia, Dept Phys, OzGrav UWA, Perth, WA 6009, Australia
  • [ 10 ] [Li, Ju]Univ Western Australia, Dept Phys, OzGrav UWA, Perth, WA 6009, Australia
  • [ 11 ] [Zhao, Chunnong]Univ Western Australia, Dept Phys, OzGrav UWA, Perth, WA 6009, Australia
  • [ 12 ] [Bin, Wu]Beijing Normal Univ, Dept Astron, Beijing 100875, Peoples R China

Reprint Author's Address:

  • [Hou, Yubin]Beijing Univ Technol, Inst Laser Engn, Beijing 100124, Peoples R China;;[Hou, Yubin]Univ Western Australia, Dept Phys, OzGrav UWA, Perth, WA 6009, Australia

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Source :

OPTICS LETTERS

ISSN: 0146-9592

Year: 2020

Issue: 17

Volume: 45

Page: 4911-4914

3 . 6 0 0

JCR@2022

ESI Discipline: PHYSICS;

ESI HC Threshold:100

Cited Count:

WoS CC Cited Count: 31

SCOPUS Cited Count: 40

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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