Characterization of Multi-Core Fiber Group Delay with Correlation OTDR and Modulation Phase Shift Methods
Florian Azendorf, Annika Dochhan, Krzysztof Wilczy\'nski, {\L}ukasz, Szostkiewicz, Patryk Urban, Bernhard Schmauss, Francisco Javier Vilchez, Laia, Nadal, Michela Svaluto Moreolo, Josep M. Fabrega, Michael Eiselt
TL;DR
This paper presents a method combining Correlation-OTDR and modulation phase shift techniques to characterize group delay in multi-core fibers, revealing core position and temperature effects on delay.
Contribution
It introduces a novel combined approach for measuring multi-core fiber group delay, highlighting the influence of core position and temperature.
Findings
Differential delay varies with core position.
Temperature affects group delay.
Method effectively characterizes multi-core fiber delays.
Abstract
Using a Correlation-OTDR and a modulation phase shift method we characterized four multi-core fibers. The results show that the differential delay depends on the position of the core in the fiber and varies with temperature.
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