Answers are grounded in this paper and cite their sources.
We review possible architectures for 400 Gigabit Ethernet links based on advanced modulation formats for the first time. Their optical link power budget, digital complexity, and power dissipation are compared via simulations. The challenges of implementing the physical layer are discussed.
No takes yet. Share an insight, caveat, or question.
Wei et al. (2015) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: