Fig. 1. Schematic of optical frequency comb generator and wedge microresonator

Fig. 2. Material dispersion of MgF₂

Fig. 3. GVD of MgF₂ wedge microresonator with different radii and wedge angles

Fig. 4. GVD of MgF₂ wedge microresonator under different wedge angle positions

Fig. 5. Dispersion value and ZDP wavelength. (a) Dispersion value with different radii and wedge angles at 1550 nm; (b) ZDP wavelength with different radii and wedge angles

Fig. 6. Intracavity power variation diagram, time domain diagram, and frequency domain diagram of soliton at different scanning speeds. (a) Step diagram of soliton; (b) integrated dispersion; (c)--(e) triple-soliton at scanning speed of 3.75×10^-1 nm/s; (f)--(h) single-soliton at scanning speed of 3.75×10^-2 nm/s; (i)--(k) single-soliton at scanning speed of 3.75×10^-3 nm/s

Fig. 7. Intracavity power variation diagram, time domain diagram, and frequency domain diagram of soliton at different scanning speeds. (a) Step diagram of soliton; (b)--(d) seven-soliton at scanning speed of 247.2 nm/s; (e)--(g) twelve-soliton at scanning speed of 74.9 nm/s; (h)--(j) single-soliton at scanning speed of 7.12 nm/s

Fig. 8. Intracavity power variation diagram, time domain diagram, and frequency domain diagram of soliton at different scanning speeds. (a) Step diagram of soliton; (b)--(d) riple-soliton at scanning speed of 0.75 nm/s; (e)--(g) double-soliton at scanning speed of 0.075 nm/s

Table 1. Consistent parameters

Table 2. Main parameters of the cavity with R=2 mm

Table 3. Main parameters of the cavity with R=2 mm after reducing Q

Table 4. Main parameters of the cavity with R=1 mm