Fig. 1. (a) Dispersion distribution curve, (b) Relative group delay curve of the double-zero dispersive media

Fig. 2. (a) Waveform and (b) spectrum of cosh-Airy pulses with different sectional factors χ₀

Fig. 3. Waveform (left column) and spectrum (right column) of cosh-Airy pulses at different distances in a double-zero dispersion medium

Fig. 4. For P₀=5 kW, C=0 and χ₀=0.15, temporal and spectral evolutions of cosh-Airy pulses with different truncation coefficient propagated in a double-zero dispersion media. (a1)-(a2) a=0.2, (c1)-(c2) a=0.35, (d1)-(d2) a=0.5, (d1)-(d2) at propagation distance z =0.4 m, the corresponding waveform and spectrum distributions for a=0.2 (blue line), a=0.35 (red line) and a=0.5 (green line)

Fig. 5. For P₀=5 kW, a=0.1 and χ₀=0.03, temporal and spectral evolutions of cosh-Airy pulses with different initial chirp propagate in a double-zero dispersion media. (a1)-(a2) C=−0.3, (b1)-(b2) C=0, (c1)-(c2) C=0.3; (d1)-(d2) at propagation distance z =0.4 m, the corresponding waveform and spectrum distributions for C=−0.3 (blue line), C=0 (red line) and C=0.3 (green line)

Fig. 6. For P₀=5 kW, a=0.5 and C=0, temporal and spectral evolutions of cosh-Airy pulses with different sectional factor propagated in a double-zero dispersion media. (a1)-(a2) χ₀=0.05, (b1)-(b2) χ₀=0.25, (c1)-(c2) χ₀=0.45; (d1)-(d2) at propagation distance z =0.4 m, the corresponding waveform and spectrum distributions for χ₀=0.05 (blue line), χ₀=0.25 (red line) and χ₀=0.45 (green line)

Fig. 7. Effects of (a) truncation coefficient, (b) initial chirp and (c) sectional factor on the width of supercontinuum in double-zero dispersion media

Fig. 8. For P₀=5 kW, a=0.5, χ₀=0.45 and C=0, temporal and spectral evolutions of cosh-Airy pulses propagate in double zero dispersion medium at different conditions: (a1)-(a2) self-phase modulation, (b1)-(b2) self-phase modulation and stimulated Raman scattering, (c1)-(c2) self-phase modulation, stimulated Raman scattering and self-steepening