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arxiv: 2006.05348 · v1 · pith:WFQ7STA5 · submitted 2020-06-08 · eess.SP

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 This is my paper

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keywords architectureblockerscoherentflexiblegbithorseshoemetrotransmission
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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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