Abstract

The polarization dependence of the coherent detection in optical frequency-domain reflectometry can be exploited to measure the local beatlength along an optical fiber. Reproducibility of the results is given for high and low polarization-mode coupling fibers, and the influence of several effects on beatlength measurement precision, such as spatial reflectometer resolution,fiber twist, and the presence of circular birefringence, is discussed. The experimental results seem to indicate that the typical assumption that the fiber birefringence can be treated as purely linear might not be fully justified. Beatlength overestimates of 10% and more can result.

[IEEE ]

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J. Lightwave Technol. (7)

N. Gisin, J. P. von der Weid and J. P. Pellaux, "Polarization mode dispersion of short and long single-mode fibers", J. Lightwave Technol., vol. 7, pp. 821-827, July 1991.

A. Galtarossa, L. Palmieri, A. Pizzinat, M. Schiano and T. Tambosso, "Measurement of local beat length and differential group delay in installed single-mode fibers", J. Lightwave Technol., vol. 18, pp. 1389-1394, Oct. 2000.

F. Corsi, A. Galtarossa and L. Palmieri, "Polarization mode dispersion characterization of single-mode optical fiber using backscattering technique", J. Lightwave Technol., vol. 16, pp. 1832-1843, Oct. 1998.

J. P. von der Weid, R. Passy, G. Mussy and N. Gisin, "On the characterization of optical fiber network components with optical frequency domain reflectometry", J. Lightwave Technol., vol. 15, pp. 1131-1141, July 1997 .

P. K. Way and C. R. Menyuk, "Polarization mode dispersion, decorrelation and diffusion in optical fibers with randomly varying birefringence", J. Lightwave Technol., vol. 14, pp. 148-157, Feb. 1996.

F. Corsi, A. Galtarossa and L. Palmieri, "Beat length characterization based on backscattering analysis in randomly perturbed single-mode fibers", J. Lightwave Technol., vol. 17, pp. 1172-1178, July 1999 .

R. E. Schuh, X. Shan and A. S. Siddiqui, "Polarization mode dispersion in spun fibers with different linear birefringence and spinning parameters", J. Lightwave Technol., vol. 16, pp. 1583-1588, Sept. 1998.

Opt. Lett. (1)

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