Affiliation:
1. Nokia Bell Labs
2. Politecnico di Milano
3. Fraunhofer Heinrich-Hertz-Institute
Abstract
Monitoring data from deployed backbone networks shows that many lightpaths present large fluctuations of their quality of transmission (QoT), beyond 1 dB in range. In this paper, we investigate the hypothesis that the evidenced fluctuations stem from anomalies in polarization-dependent loss (PDL), equivalent to one large PDL element. We eventually propose and experimentally test a closed-loop automation designed to stabilize the QoT at a maximal level for lightpaths impaired by such a PDL anomaly.
Cited by
1 articles.
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1. Introduction to the ONDM 2023 special issue;Journal of Optical Communications and Networking;2024-04-12