Wanghua Zhu, Lingzhen Yang, Jingfeng Ren, Jia Li, Tianlong Wu, Juanfen Wang. Study on Random Characteristic of Chaotic Output of Ytterbium-doped Fiber Amplifier[J]. Laser & Optoelectronics Progress, 2021, 58(19): 1914005
- Laser & Optoelectronics Progress
- Vol. 58, Issue 19, 1914005 (2021)
Fig. 1. Experimental setup for chaotic laser generation and amplification
Fig. 2. Output power-pump current curve and spectra of chaotic laser. (a) Output power-pump current curve; (b) spectra
Fig. 3. Time series and autocorrelation curves of chaotic laser at different pump currents. (a) (b) 340 mA; (c) (d) 800 mA
Fig. 4. Permutation entropies of chaotic laser
Fig. 5. Output power-pump current curves and spectra during amplification process. (a) Output power-pump current curves of different pump currents of chaotic laser during amplification process; (b) spectra during amplification process when pump current of chaotic laser is 400 mA
Fig. 6. Permutation entropies of different pump currents of chaotic laser during amplification process
Fig. 7. Skewnesses and kurtoses of different pump currents of chaotic laser during amplification process. (a) Skewness; (b) kurtosis
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