Techno-economic study of the value of high stimulated Brillouin scattering threshold single-mode fiber utilization in fiber-to-the-home access networks

Purely Passive Long Reach 10 GE-PON Architecture Based on Duobinary Signals and Ultra-Low Loss Optical Fiber

“…3b, we observed about a 2.5 dB improvement in the power penalty for the long reach, 1x64 PON afforded by the lower loss of the G.652 fiber. The extra 2.5-3 dB of margin in the loss budget due to the lower fiber loss also enabled the duobinary ULL-PON to increase to a 1x128 split ratio, as observed in Fig 3c. It was demonstrated by Vaughn et al [5] that a factor of two increase in split ratio can be translated to an addition cost savings for the passive optical network. Table 1 summarizes our results of the data directly comparing the two modulation formats and the two fiber types over a range of split ratios.…”