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Updated: Sep 11, 2025

Automation of Mode Locking in a Nonlinear Polarization Rotation Fiber Laser through Output Polarization Measurements
Published on: February 28, 2016
Distributed measurement of polarization crosstalk in polarization-maintaining anti-resonant hollow-core fibers
Abstract:
Polarization-maintaining anti-resonant hollow-core fibers combine the advantages of a hollow core with birefringence-protected light guiding, delivering promises for a wide range of applications. However, a comprehensive assessment of its polarization maintenance capability remains elusive. In this work, we demonstrate a distributed measurement of polarization crosstalk in this type of fiber utilizing modified optical frequency domain polarimetry. To address the substantial chromatic dispersion of group birefringence, a compensation approach is employed to rectify measurement inaccuracies stemming from the broadening of polarization crosstalk peaks. Using this method, we quantify the polarization crosstalk level in this type of fiber and explore distributed measurement of polarization crosstalk under three primary mechanical stresses: macro bending, transverse compression, and twisting.
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