Solutions for 80 km DWDM Systems
Annika Dochhan, Helmut Griesser, Michael Eiselt, and J\"org-Peter, Elbers

TL;DR
This paper reviews various solutions for 80 km DWDM optical transmission systems designed for inter-data-center links at 100G and 400G, focusing on directly detected modulation formats.
Contribution
It provides a comparative analysis of modulation techniques like PDM-64QAM, PAM4, and DMT for 80 km DWDM links, emphasizing practical detection methods.
Findings
PDM-64QAM, PAM4, and DMT are viable for 80 km DWDM links.
Direct detection methods are emphasized for simplicity and cost-effectiveness.
The paper discusses the performance trade-offs of different modulation formats.
Abstract
We review currently discussed solutions for 80 km DWDM transmission targeting inter data-center connections at 100G and 400G line rates. PDM-64QAM, PAM4 and DMT are investigated, while the focus lies on directly detected solutions.
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Taxonomy
TopicsOptical Network Technologies · Advanced Optical Network Technologies · Power Line Communications and Noise
