Nonlinear dynamics of a diode-pumped solid-state passively Q-switched Nd:YAG/Cr4+:YAG laser

Xin-Di Wang; Zi-Ye Gao; Guang-Qiong Xia; Zheng-Mao Wu

doi:10.1117/12.2601499

9 October 2021 Nonlinear dynamics of a diode-pumped solid-state passively Q-switched Nd:YAG/Cr⁴⁺:YAG laser

Xin-Di Wang, Zi-Ye Gao, Guang-Qiong Xia, Zheng-Mao Wu

Proceedings Volume 11905, Quantum and Nonlinear Optics VIII; 1190517 (2021) https://doi.org/10.1117/12.2601499
Event: SPIE/COS Photonics Asia, 2021, Nantong, JS, China

Conference Poster

Abstract

Based on a four-level rate equation model, we numerically simulated the nonlinear dynamics of a diode-pumped solidstate passively Q-switched laser. A Nd:YAG and a Cr⁴⁺:YAG is used as the gain medium and the saturable absorber in this system, respectively. Through setting the pumping rate or the round-trip optical loss at different values, the diodepumped solid-state passively Q-switched Nd:YAG/Cr⁴⁺:YAG laser may operate at the period-one, period-two, multiperiod or chaotic states. For a certain specific state, the time series, the power spectra and the Poincaré maps are represented. Moreover, the route for the diode-pumped solid-state passively Q-switched Nd:YAG/Cr⁴⁺:YAG laser entering into chaos is revealed by mapping the bifurcation.

Conference Presentation

Citation Download Citation

Xin-Di Wang, Zi-Ye Gao, Guang-Qiong Xia, and Zheng-Mao Wu "Nonlinear dynamics of a diode-pumped solid-state passively Q-switched Nd:YAG/Cr⁴⁺:YAG laser", Proc. SPIE 11905, Quantum and Nonlinear Optics VIII, 1190517 (9 October 2021); https://doi.org/10.1117/12.2601499

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