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Sander Jansen

Real-Time Diverse Fiber Sensing Multi-Event Detection using Phase OTDR Measurements

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Nov 10, 2025
Konstantinos Alexoudis, Jasper Müller, Sai Kireet Patri, Vincent A. J. M. Sleiffer, Vishal Chandraprakash Rai, André Sandmann, Sander Jansen, Thomas Bradley, Chigo Okonkwo

We demonstrate an experimental phase optical time-domain reflectometry (OTDR) system capable of simultaneous detection and classification of various environmental events, such as wind-induced fiber movement, vehicle movement, and audio signatures, with real-time visualization.

* This work has been partially funded by the German Federal Ministry of Education and Research in the project HYPERCORE (#16KIS2098). We also acknowledge the Bilateral Project "DistraSignalSense" between the Eindhoven University of Technology, The Netherlands, and Adtran Networks SE 
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Branch Identification in Passive Optical Networks using Machine Learning

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Apr 01, 2023
khouloud Abdelli, Carsten Tropschug, Helmut Griesser, Sander Jansen, Stephan Pachnicke
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A machine learning approach for improving monitoring in passive optical networks with almost equidistant branches is proposed and experimentally validated. It achieves a high diagnostic accuracy of 98.7% and an event localization error of 0.5m

* Optical Fiber Communication Conference (OFC) 2023 
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