Fig. 1. Structure of turnkey-coupled optoelectronic oscillator (COEO) based on non-polarization-maintaining fiber cavity

Fig. 2. Diagram of anti-polarization disturbance testing for non-polarization-maintaining fiber cavity based on electrical absorption modulator (EAM). (a) Schematic of measurement link; (b) modulation gain fluctuation

Fig. 3. Anti-polarization disturbance performance comparison of turnkey COEO and conventional COEO. (a) Turnkey COEO；(b) conventional COEO

Fig. 4. Measurement results of output signal of turnkey COEO. (a) RF spectrum; (b) phase noise