Fig. 1. Schematic structure of C+L band low-loss dispersion-compensated 19-core Photonic crystal fiber

Fig. 2. Schematic structure of C+L band low-loss dispersion-compensated 19-core Photonic crystal fiber

Fig. 3. Influence of d₁ on the dispersion

Fig. 4. Influence of d₂ on the dispersion

Fig. 5. Influence of d₃ on the dispersion

Fig. 6. Influence of Λ_h on the dispersion

Fig. 7. Dispersion of cores at different positions

Fig. 8. Relationship between XT and d₄

Fig. 9. Relationship between XT and the transmission distance in C+L band

Fig. 10. Confinement loss in the C+L band

Fig. 11. Relationship between the bending loss and OCT

Fig. 12. Partial schematic diagram of a stacked C+L band low-loss dispersion-compensated 19-core