Fig. 1. Schematic diagram of the optical carrier-assisted SSB signal generation

Fig. 2. Schematic diagram of time-domain iteration based SSB signal reconstruction

Fig. 3. Experimental setup and DSP block diagram of time-domain iteration based SSB signal reconstruction

Fig. 4. Spectrum of the input signal and output signal of FIR filter under different iterations

Fig. 5. BER performance comparison in OBTB transmission

Fig. 6. Effect of iteration times and filter tap length on BER performance

Fig. 7. BER performance comparison of two algorithms with different launch power

Fig. 8. DSP block of time-domain iterative method and complexity comparison

Fig. 9. Schematic diagram of SSB signal generation based on DDMZM

Fig. 10. Schematic diagram of Cartesian-to-Polar conversion

Fig. 11. SSB modulation direct detection system based on DDMZM

Fig. 12. Conventional DDMZM scheme in OBTB transmission

Fig. 13. Conventional DDMZM scheme over 80 km transmission

Fig. 14. Transmission performance evaluation of CPC scheme