Journal
OPTICAL FIBER TECHNOLOGY
Volume 82, Issue -, Pages -Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.yofte.2023.103617
Keywords
Black phosphorus; Passively mode-locked; Bound solitons; Lorentzian pulse
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We present experimental findings of three types of bound solitons in Erbium-doped fiber lasers using black phosphorus saturable absorber. The passively mode-locked laser generates stretched-pulse state, double-pulse, and four-pulse bound states with sech2-shaped pulse profile. By adjusting the polarization state, the laser can also achieve Lorentzian autocorrelation trace with a duration of approximately 562 fs and deliver Lorentzian double-pulse bound state with pulse separations of approximately 5.04 ps. This research demonstrates the possibility of obtaining different types of bound state pulses in the same fiber laser and provides a foundation for further studies on bound state pulses.
We describe the experimental finding of three kinds of bound solitons in the Erbium-doped fiber lasers based on saturable absorber of black phosphorus. The passively mode-locked laser can obtain stretched-pulse state, double-pulse and four-pulse bound state with the sech2-shaped pulse profile. The laser can also realize Lorentzian autocorrelation trace with the duration of approximately 562 fs and deliver Lorentzian double-pulse bound state with pulse separations of approximately 5.04 ps by properly adjusting the polarization state. This project demonstrates that the same fiber laser can obtain different types of bound state pulses, which lays a foundation for further research into bound state pulses.
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