An All-Solid Dispersion-Compensating Photonic Crystal Fiber Based on Mode Coupling Mechanism in Dual-Concentric Core

Figure 4

Variation of the effective refractive index of the fundamental supermodel with wavelength when d1 is changed (a) and λp and the coupling strength with d₁ (b). Insets show the modal field distributions of fundamental supermodel at different wavelengths for d₁ = 0.90 μm and d₁ = 1.70 μm.

(a)

(b)