A novel technique to measure differential group delay and modal birefringence along few mode fibers is presented. The method relies on the analysis of the spectral correlation between two properly-selected sections of the fiber's Rayleigh-backscattered trace, acquired with an optical frequency domain reflectometer. Experiments performed on a two-mode-group fiber confirm the viability of the method.
Distributed characterization of few-mode fibers based on optical frequency domain reflectometry
Veronese R.
;Galtarossa A.;Palmieri L.
2020
Abstract
A novel technique to measure differential group delay and modal birefringence along few mode fibers is presented. The method relies on the analysis of the spectral correlation between two properly-selected sections of the fiber's Rayleigh-backscattered trace, acquired with an optical frequency domain reflectometer. Experiments performed on a two-mode-group fiber confirm the viability of the method.
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