Fig. 1. Schematic of experimental setup for measuring threshold optical power of SBS

Fig. 2. Measured threshold optical power of SBS after 25 km SSMF transmission. (a) Relationship between output and input powers; (b) reverse transmission spectra under different input optical powers

Fig. 3. Structural diagram of simulation of Super-PON US and DS

Fig. 4. Wavelength assignment of Super-PON, EPON and 10G-EPON systems

Fig. 5. Power losses of signal for C-band as US and L-band as DS. (a) Under different DS optical powers; (b) under DS optical power of 13 dBm and US optical power of 4 dBm

Fig. 6. Power losses of signal for C-band as DS and L-band as US. (a) Under different US input powers；(b) under DS optical power of 13 dBm and US optical power of 10 dBm

Fig. 7. Relationship between BER and received optical power. (a) Ch-16 of DS; (b) Ch-1 of US

Fig. 8. Power losses of signal under different PON combinations. (a) Super-PON US and 10G-EPON DS; (b) Super-PON US and EPON US

Fig. 9. Power losses of signal under different PON combinations. (a) Super-PON DS and EPON US; (b) Super-PON DS and 10G-EPON DS