Volume 47 Issue 10
Oct.  2018
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Article Navigation >  Infrared and Laser Engineering  > 2018  >  47(10): 1005005-1005005(4)

Hou Yubin, Zhang Qian, Qi Shuxian, Feng Xian, Wang Pu. Dual-frequency Yb3+-doped DBR fiber laser with 32 GHz frequency difference[J]. Infrared and Laser Engineering, 2018, 47(10): 1005005-1005005(4). doi: 10.3788/IRLA201847.1005005
Citation: Hou Yubin, Zhang Qian, Qi Shuxian, Feng Xian, Wang Pu. Dual-frequency Yb3+-doped DBR fiber laser with 32 GHz frequency difference[J]. Infrared and Laser Engineering, 2018, 47(10): 1005005-1005005(4). doi: 10.3788/IRLA201847.1005005
shu

Dual-frequency Yb3+-doped DBR fiber laser with 32 GHz frequency difference

doi: 10.3788/IRLA201847.1005005
  • 1.

    Institute of Laser Engineering,Beijing University of Technology,Beijing 100124,China

  • Received Date: 2018-05-10
  • Rev Recd Date: 2018-06-20
  • Publish Date: 2018-10-25
  • A dual-frequency Yb3+-doped distributed Bragg reflection (DBR) fiber laser was demonstrated, which used a home-made dual-wavelength low reflectivity FBG as the output port of the DBR fiber laser. The wavelength spacing of the FBG was about 0.12 nm, corresponding to 32 GHz frequency difference. The dual-wavelength of the laser output was 1 063.09 nm and 1 063.21 nm, respectively. The spectral signal noise ratio was more than 60 dB. Each of the wavelengths included only one longitudinal mode. The beat frequency of the dual-frequency was 32.014 GHz. The signal-noise ratio of the frequency spectrum was more than 35 dB. Benefitted from the compact structure and the strong anti-interference capability of the fiber laser, the dual-frequency fiber laser is promising as the candidate of high-quality microwave signal generator for the applications such as microwave sensing and communications.
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    [4] Gwennal Danion, Cyril Hamel, Ludovic Frein, et al. Dual frequency laser with two continuously and widely tunable frequencies for optical referencing of GHz to THz beat notes[J]. Optics Express, 2014, 22(15):17673-17678.
    [5] Xia L, Shum P, Cheng T H. Photonic generation of microwave signals using a dual-transmission-band FBG filter with controllable wavelength spacing[J]. Applied Physics B, 2006, 86(1):61-64.
    [6] Chen X, Yao J, Deng Z. Ultranarrow dual-transmission band fiber Bragg grating filter and its application in a dual-wavelength single-longitudinal-mode fiber ring laser[J]. Optics Letters, 2005, 30(16):2068-2070.
    [7] Wang Feng, Bi Weihong, Fu Xinghu, et al. Dual-wavelength Er3+-doped photonic crystal fiber laser based on superimposed fiber gratings[J]. Infrared and Laser Engineering, 2016, 45(8):0822001. (in Chinese)
    [8] Wei Y, Ping L, Shun W, et al. A novel switchable and tunable dual-wavelength single-longitudinal-mode fiber laser at 2m[J]. IEEE Photonics Technology Lettters, 2016, 28(11):1161-1164.
    [9] Feng T, Ding D, Zhao Z, et al. Switchable 10 nm-spaced dual-wavelength SLM fiber laser with sub-kHz linewidth and high OSNR using a novel multiple-ring configuration[J]. Laser Physics Letters, 2016, 13(10):105104.
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Dual-frequency Yb3+-doped DBR fiber laser with 32 GHz frequency difference

doi: 10.3788/IRLA201847.1005005
  • 1. Institute of Laser Engineering,Beijing University of Technology,Beijing 100124,China
  • Received Date: 2018-05-10
  • Rev Recd Date: 2018-06-20
  • Publish Date: 2018-10-25

Abstract: A dual-frequency Yb3+-doped distributed Bragg reflection (DBR) fiber laser was demonstrated, which used a home-made dual-wavelength low reflectivity FBG as the output port of the DBR fiber laser. The wavelength spacing of the FBG was about 0.12 nm, corresponding to 32 GHz frequency difference. The dual-wavelength of the laser output was 1 063.09 nm and 1 063.21 nm, respectively. The spectral signal noise ratio was more than 60 dB. Each of the wavelengths included only one longitudinal mode. The beat frequency of the dual-frequency was 32.014 GHz. The signal-noise ratio of the frequency spectrum was more than 35 dB. Benefitted from the compact structure and the strong anti-interference capability of the fiber laser, the dual-frequency fiber laser is promising as the candidate of high-quality microwave signal generator for the applications such as microwave sensing and communications.

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