Extended Data Fig. 6: Analysis of the frequency positions of the stable states.

Data extracted from the laser scanning spectroscopy. Black lines mark soliton and CW region boundaries. a, Variation of the frequency position of a selected resonance of the microcavity (here, we choose the mode centred approximately at 1,543 nm). The colour code in the map follows the inset (right), showing the values of the frequency shift for the microcavity resonance. b, Same as panel a, now for the ‘State Diagram 2’. c, Variation of the average detunings, calculated as the mean frequency difference between each oscillating microcomb laser line and the corresponding microcavity resonance centre across all microcomb lines. The colour code in the map follows the colours of the inset (right), where the values of the detunings versus EDFA pump power are shown. d, Same as panel c, but for the ‘State Diagram 2’. e, Free-spectral range (FSR) variation associated with the soliton states (FSR∼48.9 GHz) obtained across the mapped values. The colour code in the map follows the inset (right), showing the free-spectral range variation values. Same as panel e, but for the ‘State Diagram 2’.