Fig. 1. Experimental device diagram of COEO based on injection locking

Fig. 2. Schematic diagram of injection locking effect

Fig. 3. Simulation results of injection-locked COEO

Fig. 4. Measured output spectrum of injection-locked COEO under frequency detuning

Fig. 5. Measured output spectrum of injection-locked COEO with different injected signal strength

Fig. 6. Measured phase noise of injected signal, traditional COEO, and injected locked COEO under injected strength of −15 dBm and −12 dBm

Fig. 7. Measured power variation and frequency variation of generated signals with different injected signal strength

Fig. 8. Measured temporal waveform of generated optical pulse with different injected signal strength