Dongzhou ZHONG, Zhe XU, Keke ZHAO, Yalan HU, Wanan DENG, Peng HOU, Jinbo ZHANG. Exploring of Chaotic Secure Communications with High-speed Using Optical Reservoir Computers[J]. Acta Photonica Sinica, 2022, 51(4): 0406005
- Acta Photonica Sinica
- Vol. 51, Issue 4, 0406005 (2022)
Fig. 1. Schematic diagram of dual-channel chaotic optical communication using two parallel reservoir computers based on two polarization components of the optically pumped spin-VCSEL
Fig. 2. PSD distributions of the x-PC1 and y-PC1 from the VCSEL1 output
Fig. 3. Trajectory of chaotic sequence prediction
Fig. 4. Dependence of NMSExand NMSEy on the sampling period T0
Fig. 5. Dependence of NMSEx and NMSEy on the virtual node interval θ
Fig. 6. Maps of the evolutions of the correlation coefficients（ρx，ρy）in different parameter spaces
Fig. 7. Dependences of ρx and ρy on different parameters
Fig. 8. CDET-score chart under different signal-to-noise ratio
Fig. 9. Temporal traces and constellations of the encoded，chaos-masked，decoded 16 QAM messages in the system
Fig. 10. Dependences of the BERs of the decoded messages
Fig. 11. Chaos synchronizations and eye-diagrams using two parallel reservoirs trained by different chaos-masked messages in the VCSEL1 with different parameter-combinations
Fig. 12. Chaos synchronizations and eye-diagrams using two parallel reservoirs trained by the chaos -masked messages
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Table 1. The parameter values used for calculation
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