Figure 6

The OSNR after transmission by EDFA or Raman amplifier. Solid lines represent transmission over the G.652.D fiber link. Dash lines represent transmission over the G.654.E fiber link.
The OSNR after transmission by EDFA or Raman amplifier. Solid lines represent transmission over the G.652.D fiber link. Dash lines represent transmission over the G.654.E fiber link.