Abstract

This paper presents comparative results of the recording of type-I Bragg gratings in birefringent optical fibers with an elliptical stress cladding with standard and increased concentrations of germanium dioxide for various orientations of the birefringence axes. The experimental results showed that it is more efficient to record Bragg gratings in the single-pulse regime when the slow axis of the birefringent optical fiber with an elliptical stress cladding is perpendicular to the fringes of the interference pattern.

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