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Volume 40 Issue 4
May  2016
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Numerical study on thulium-doped mode-locked fiber laser with high modulation depth of saturable absorber

  • Corresponding author: ZHAO Chujun, cjzhao@hnu.edu.cn
  • Received Date: 2015-04-17
    Accepted Date: 2015-04-24
  • In order to validate the impact of saturable absorber on output performance of thulium-doped mode-locked fiber laser, the effect of parameters of saturable absorber was numerically studied based on the coupled Ginzburg-Landau equation. The time domain and frequency domain characteristics of thulium-doped mode-locked fiber laser modulated by high modulation depth saturable absorber were discussed. The results show that pulse width is shortened and time-bandwidth product decreases effectively by choosing high modulation depth saturable absorber with suitable modulation depth. The result would provide some design guidelines for the developing of the steady, ultrafast mid-infrared fiber lasers.
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Numerical study on thulium-doped mode-locked fiber laser with high modulation depth of saturable absorber

    Corresponding author: ZHAO Chujun, cjzhao@hnu.edu.cn
  • 1. Key Laboratory for Micro/Nano Optoelectronic Devices of Ministry of Education, College of Physics and Electronics, Hunan University, Changsha 410082, China

Abstract: In order to validate the impact of saturable absorber on output performance of thulium-doped mode-locked fiber laser, the effect of parameters of saturable absorber was numerically studied based on the coupled Ginzburg-Landau equation. The time domain and frequency domain characteristics of thulium-doped mode-locked fiber laser modulated by high modulation depth saturable absorber were discussed. The results show that pulse width is shortened and time-bandwidth product decreases effectively by choosing high modulation depth saturable absorber with suitable modulation depth. The result would provide some design guidelines for the developing of the steady, ultrafast mid-infrared fiber lasers.

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