Fig. 1. Schematic diagram of the organic silicon graphene oxide hybrid waveguide

Fig. 2. TE mode distribute of the waveguide at 1550 nm

Fig. 3. Plots of second-order dispersion with wavelength for different structural parameters. (a) Different horizontal slot widths W₁; (b) different left and right silica layer heights W₂; (c) different horizontal slot thicknesses C₁;（d）different vertical groove thicknesses C₂；（e）different silicon layer heights H₁；（f）different silica layer heights H₂

Fig. 4. Single mode idler degeneration PSA

Fig. 5. Linear phase mismatch curve with wavelength

Fig. 6. Curves of nonlinear coefficients and effective mode area with wavelength

Fig. 7. Schematic diagrams of two-stage amplitude-phase regeneration structure for 8PSK signal. (a) First stage; (b) second stage; (c) (d) third stage

Fig. 8. Variation curves of (a) phase amplitude gain and (b) phase transfer function of PSA under different pump powers

Fig. 9. Simulation plots of the effect of nonlinear effects on the phase amplitude of the signal. (a) Simulation plot of the impact of the BOM item on signal phase; (b) simulation plot of variation of output signal power with input signal power

Fig. 10. Constellation diagrams of the input / output 8PSK signal. (a) Input 8PSK signal with phase noise M_EV = 38.81%; (b) output 8PSK signal M_EV = 1.43%; (c) input 8PSK signal with phase and amplitude noise constellation plot M_EV = 38.53%; (d) output 8PSK signal M_EV = 4.84%

Fig. 11. Constellation diagrams of the input / output 8PSK signal with amplitude noise. (a)Input 8PSK signal with amplitude noise M_EV =4.84%; (b) signal Counterclockwise rotation constellation M_EV =5.17%; (c) output 8PSK signal M_EV =3.13%

Fig. 12. Constellation diagrams of the output 8PSK signal. (a) Constellation diagram of signals affected by excessive nonlinear effect noise M_EV =75.76%;(b) output 8PSK signal constellation diagram M_EV =1.76%

Fig. 13. Variation curves of output signal M_EV and R_OSN with input signal M_EV and R_OSN. (a) Variation curve of output signal M_EV and with input signal M_EV; (b) variation curve of output signal R_OSN with input signal R_OSN