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Investigation of the ratio between phase and group birefringence in optical single-mode fibers

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Published in Journal of Lightwave Technology. 2003, vol. 21, no. 12, p. 3374-3378
Abstract A measurement technique for the phase and group birefringence of an optical fiber is thoroughly investigated. It is based on differential group delay measurements of twisted fibers and is capable of giving in a simple and elegant way the intrinsic birefringence values in the absence of twist. Analyzing various fibers with this method, we rind that phase and group birefringence can be quite different for certain fiber types. Consequently, the commonly used assumption that in an optical fiber, phase and group birefringence are equal-and the resulting carelessness in distinguishing between these two a priori separate physical effects-is to be employed cautiously.
Keywords BeatlengthBirefringenceDifferential group delay (DGD)Optical fiber measurementsOptical fiber properties.
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LEGRE, Matthieu, WEGMULLER, Mark, GISIN, Nicolas. Investigation of the ratio between phase and group birefringence in optical single-mode fibers. In: Journal of Lightwave Technology, 2003, vol. 21, n° 12, p. 3374-3378. https://archive-ouverte.unige.ch/unige:36720

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Deposited on : 2014-05-20

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