Congcong Liu, Jiangyong He, Jin Li, Yu Ning, Fengkai Zhou, Pan Wang, Yange Liu, Zhi Wang. Dynamic Characteristic Extraction and Prediction of Soliton Bound States in Passively Mode‐Locked Fiber Lasers[J]. Chinese Journal of Lasers, 2023, 50(11): 1101016
- Chinese Journal of Lasers
- Vol. 50, Issue 11, 1101016 (2023)
Fig. 1. Passive mode-locked fiber laser and real-time detection system based on nonlinear polarization rotation technology
Fig. 2. Laser mode-locked output characteristics. (a) Spectrum; (b) time-domain pulse sequence
Fig. 3. Feature extraction and prediction based on convolutional autoencoder
Fig. 4. Loose soliton bound state. (a) Real-time spectral evolution; (b) spectra; (c) single period autocorrelation trace
Fig. 5. Compact soliton bound state. (a) Real-time spectral evolution; (b) spectra; (c) single period autocorrelation trace
Fig. 6. Training parameters and evaluation indicators. (a) Loss curve; (b) influence of number of characteristic parameters on training result; (c) Pearson correlation coefficient
Fig. 7. Continuous 10-round spectra. (a) Spectra measured by experiment; (b) spectra predicted by network
Fig. 8. Real time spectral dynamics of soliton bound states. (a) Origin spectrum; (b) reconstructed spectrum
Fig. 9. One-period autocorrelation traces and phase difference evolutions of real-time spectrum and reconstructed spectrum. (a) One-period autocorrelation traces; (b) phase difference evolution at position A; (c) phase difference evolution at position B
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