Current Optics and Photonics

Optical Society of Korea (한국광학회)
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Numerical Simulation of Soliton-like Pulse Formation in Diode-pumped Yb-doped Solid-state Lasers

  • Received : 2022.10.26
  • Accepted : 2022.12.28
  • Published : 2023.02.25
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Abstract

We numerically solve the nonlinear Schrödinger equation for pulse propagation in a passively mode-locked Yb:KGW laser. The soliton-like pulse formation as a result of balanced negative group-delay dispersion (GDD) and nonlinear self-phase modulation is analyzed. The cavity design and optical parameters of a previously reported high-power Yb:KGW laser were adopted to compare the simulation results with experimental results. The pulse duration and energy obtained by varying the small-signal gain or GDD reproduce the overall tendency observed in the experiments, demonstrating the reliability and accuracy of the model simulation and the optical parameters.

Keywords

Acknowledgement

National Research Foundation of Korea (NRF-2020R1A2C1008368, NRF-2020R1A6A1A03047771).

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