Dynamic compensation of polarization mode dispersion in telecommunication fibers by using Faraday rotator and longitudinally strained highly birefringent fiber

Andrzej W. Domanski; Marcin Gulbinski; Daniel Budaszewski; Piotr Lesiak; Tomasz R. Wolinski

doi:10.1117/12.739595

9 April 2007 Dynamic compensation of polarization mode dispersion in telecommunication fibers by using Faraday rotator and longitudinally strained highly birefringent fiber

Andrzej W. Domanski, Marcin Gulbinski, Daniel Budaszewski, Piotr Lesiak, Tomasz R. Wolinski

Author Affiliations +

Proceedings Volume 6608, Lightguides and Their Applications III; 660812 (2007) https://doi.org/10.1117/12.739595
Event: Lightguides and Their Applications III, 2006, Krasnobród, Poland

Abstract

Polarization mode dispersion (PMD) in telecommunication fibers is caused by their random birefringence and depends on temporary coherence of the light coupled into the fibers. This phenomenon resulting in light pulses broadening decreases bite rate in telecommunication lines and is expressed in terms of differential group delay (DGD). Measurement of the DGD can be used to estimate the value of PMD, and also for compensation of the PMD value. In this paper the results of PMD compensation by using the Faraday rotator and a longitudinally strained highly birefringent fiber are presented. By controlling simultaneously the longitudinal strain and the Faraday rotator current during DGD measurements almost total compensation of PMD for a 30-km-long telecommunication optical fiber has been achieved.

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Andrzej W. Domanski, Marcin Gulbinski, Daniel Budaszewski, Piotr Lesiak, and Tomasz R. Wolinski "Dynamic compensation of polarization mode dispersion in telecommunication fibers by using Faraday rotator and longitudinally strained highly birefringent fiber", Proc. SPIE 6608, Lightguides and Their Applications III, 660812 (9 April 2007); https://doi.org/10.1117/12.739595

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KEYWORDS

Optical fibers

Telecommunications

Polarization

Birefringence

Dispersion

Magnetism

Crystals

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