Fig. 1. Algorithm flow chart

Fig. 2. Assignment diagram of experiment optical path

Fig. 3. Experimental data. (a) Spectrum of seed pulse; (b) spectrum after pulse amplification; (c) waveform after pulse amplification

Fig. 4. Normalized time resolution nonlinear phase shift distribution simulated by SG99 software

Fig. 5. Distribution curve of Φmax-δ obtained by enumeration

Fig. 6. Theoretical spectra distribution with different Φmax

Fig. 7. Enumeration result of nonlinear phase shift time distribution compared with the result of SG99 simulation

Fig. 8. Chip distribution of every slice and composited broadening spectrum (Φmax=4.63)

Fig. 9. Comparison of calculated result and measured result of broadening spectra