Flexible metro network architecture based on wavelength blockers and coherent transmission
Annika Dochhan, Robert Emmerich, Pablo Wilke Berenguer, Colja, Schubert, Johannes K. Fischer, Michael H. Eiselt, J\"org-Peter Elbers
TL;DR
This paper proposes a flexible metro DWDM network architecture utilizing wavelength blockers and coherent transmission, demonstrating high-capacity data transmission over a 160-km horseshoe topology.
Contribution
It introduces a novel semi-filterless architecture with wavelength blockers and coherent transmission for flexible metro networks, validated through a practical 160-km demonstration.
Findings
Successful demonstration of 100Gbit/s DP-QPSK over 160 km
Achieved 200Gbit/s DP-16QAM transmission
Identified critical parameters for the proposed architecture
Abstract
A flexible semi-filterless architecture for metro DWDM networks with ring- or horseshoe topologies is presented. ROADM nodes are based on wavelength blockers. Coherent transmission enables filterless channel selection. Critical parameters are determined and a 4-span, 160-km horseshoe with 100Gbit/s DP-QPSK and 200Gbit/s DP-16QAM is demonstrated.
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