Numerical modeling of three-level system in ytterbium-doped photonic crystal fiber laser

Cheng Zhou; Hai-kun Zhang; Peng Song; Jing Wang; Tao Chen; Feng Zhang

doi:10.1117/12.2243780

9 November 2016 Numerical modeling of three-level system in ytterbium-doped photonic crystal fiber laser

Cheng Zhou, Hai-kun Zhang, Peng Song, Jing Wang, Tao Chen, Feng Zhang

Proceedings Volume 10016, High-Power Lasers and Applications VIII; 100161B (2016) https://doi.org/10.1117/12.2243780
Event: SPIE/COS Photonics Asia, 2016, Beijing, China

Abstract

In order to investigate the power characteristics of the Yb-doped photonic crystal fiber(PCF) laser, we have represented a simple three-level system modeling based on a rate equation model. According to our theoretical modeling, the variation of the output power P_out via the pump power P_p is theoretically studied, which agrees well with experimental data. Then, we have investigated the effects of the doped concentration of Yb ions, the length and the effective mode field area of the PCF on the output power P_out of the Yb-doped PCF laser, respectively. The results show that the output power P_out first increases and then decreases when the doped concentration of Yb ions N₀ increases and when the pump power P_p and the length of the PCF L are constant. And the optimal doped concentration N_m exponentially decreases when the length L of the PCF increases and the slope of the optimal doped concentration N_m also decreases when the length L of the PCF increases. The output power P_out first increases and then decreases when the length of the PCF L increases and when the pump power P_p and the doped concentration N₀ are constant. And the optimal length L_m of the PCF exponentially decreases when the doped concentration N₀ increases and the slope of the length of the PCF also decreases when the doped concentration N₀ increases. The output power P_out linearly decreases when the effective mode field area A increases.

Citation Download Citation

Cheng Zhou, Hai-kun Zhang, Peng Song, Jing Wang, Tao Chen, and Feng Zhang "Numerical modeling of three-level system in ytterbium-doped photonic crystal fiber laser", Proc. SPIE 10016, High-Power Lasers and Applications VIII, 100161B (9 November 2016); https://doi.org/10.1117/12.2243780

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