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Session P5: Advanced Time Transfer Techniques

Measurement and Analysis of Polarization Variations in an Optical Coherent Fiber Communication Network Utilized for Time and Frequency Distribution
S-C. Ebenhag, P. O. Hedekvist, L. Weddig, RISE Research Institutes of Sweden, Sweden
Location: Regency B
Date/Time: Thursday, Feb. 1, 3:35 p.m.

When fiber optic communication networks are used for ultra-stable timing or frequency transfer, there will always be an influence of polarization variation to some extent. The variations can be induced by e.g. mechanical vibration or electromagnetic effects from adjacent power lines. The output polarization from a 120 km fiber transmission of an ultra-stable optical frequency is analyzed and the requirements of a compensation device are quantified.



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