Fig. 1. Basic structure of GAN model

Fig. 2. Experimental setup of chaos laser synchronization system based on common injection of an ECSL with optical feedback

Fig. 3. Structure diagram of GAN. (a) Generating network structure; (b) discriminating network structure

Fig. 4. ACF curves and amplitude probability distributions of initial chaotic signal and optimized signal

Fig. 5. TDS and KL divergence values changed with injection power. (a) TDS; (b) KL divergence

Fig. 6. Cross correlation between driving signal and local signal before and after optimization. (a) Before optimization; (b) after optimization

Fig. 7. Influence of threshold coefficient α on the bit error rate(BER) of synchronized random bit sequence