Fig. 1. Cross section of ARF

Fig. 2. Relationship between R₀ and number of OAM modes

Fig. 3. Relationship between d₀ and number of OAM modes

Fig. 4. Relationship between dispersion of HE_1,1 and d₁

Fig. 5. Number of OAM modes varying with bending radius

Fig. 6. Bending loss of partial hybrid modes varying with bending radius

Fig. 7. Simulation results of ARF. (a)-(h) Optical field distributions of partial HE/EH modes in z direction; (i)-(l) normalized electric field intensity distributions of OAM modes at l=2, 12, 22, 33; (m)-(p) phase distribution diagrams of OAM modes at l=2, 12, 22, 33

Fig. 8. Effective refractive index of hybrid modes as a function of wavelength

Fig. 9. Δn_eff as a function of wavelength

Fig. 10. Dispersion as a function of wavelength

Fig. 11. Relationship between CL and wavelength. Illustration is a schematic diagram of CL of each hybrid mode at a wavelength of 1.55 µm

Fig. 12. Mode purity as a function of wavelength. Illustration is a schematic diagram of mode purity of each hybrid mode at a wavelength of 1.55 µm

Fig. 13. Effective mode area as a function of wavelength

Fig. 14. Nonlinear coefficient as a function of wavelength

Fig. 15. NA as a function of wavelength