Fig. 1. The experimental scheme of the VCSEL-based time-delayed optical RC single-task processing system

Fig. 2. Optical spectra of the VCSEL and DFB during single-task processing

Fig. 3. The performance of the chaotic time series prediction task

Fig. 4. The performance of the nonlinear channel equalization task

Fig. 5. The SER values as a function of SNR for the nonlinear channel equalization task

Fig. 6. The experimental scheme of the VCSEL-based time-delayed optical RC dual -task processing system

Fig. 7. In dual-task processing，the optical spectra of VCSEL after external signal injection

Fig. 8. Comparison between the target values and predicted values in the VCSEL time-delayed optical RC dual-task processing system

Fig. 9. Parallel task processing performance and output power of VCSEL as a function of the injection intensity of channel equalization task，where the injection intensity of the chaotic time series prediction task remains unchanged

Fig. 10. Parallel task processing performance as a function of the injection intensity，and the ratio of injection intensity between chaotic time series prediction task and channel equalization task is about 1∶1