Fig. 1. Schematic diagram of continuous laser carrier synchronization system

Fig. 2. Curve of EOM driving voltage-output light intensity modulation

Fig. 3. Experimental system structure for cause of slow drift

Fig. 4. Experimental results of slow drift cause test

Fig. 5. System structure of slow drift suppression method

Fig. 6. System structure of synchronous system slow drift test

Fig. 7. Result of synchronous system slow drift test on L wave-band

Fig. 8. Result of synchronous system slow drift test on S wave-band