Impact of channel-spacing on next 400Gb/s Ethernet 40-km PMD based on 16  25 Gb / s WDM architecture
Simulation of semiconductor optical pre-amplifier in variable-reach WDM system. 400GHz channel-spacing for 400 GbE is proposed and its convenience demonstrated. Gain modulation in SOA is the main deleterious effect of a 1625Gb/s WDM system. Fiber dispersion reduces SOA nonlinear gain modulation penalty in WDM system. Four-wave mixing in fiber and SOA are inconsequential for 400GbE.
ethernet simulation nonlinear optics semiconductor optical amplifier wavelength division multiplexing optical fiber system