Fig. 1. Schematic of broadband source-driven RFOG

Fig. 2. Resonance curves of broadband source-driven RFOG. (a) Simulation result; (b) sweep curve

Fig. 3. Simulation of light source spectra. (a) Optical spectrum of broadband source; (b) RIN spectrum of broadband source

Fig. 4. Detected noise photocurrent

Fig. 5. Generation process of RIN in the fiber ring resonator. (a) Transfer function of the fiber ring resonator; (b) spectra before and after passing through fiber ring resonator (black dashed line: spectrum of the source; red solid line: spectrum after passing through fiber ring resonator); (c) RIN spectrum of fiber ring resonator

Fig. 6. Relationship between light power reaching the detector and angle random walk

Fig. 7. Photograph of RFOG system

Fig. 8. RIN measurement and theoretical values of different spectral ratio resonators (red solid line: theoretical curve; black polka dot: measurement curve)

Fig. 9. Allan variance of gyroscope for different laser bandwidths