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Directional bend sensing based on high birefringence dual-core photonic crystal fiber

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Abstract

We propose and demonstrate a directional bend sensing based on Mach-Zehnder interferometer in a high birefringence dual-core photonic crystal fiber. Its curvature sensitivity is up to 4.24 nm/m–1 within the curvature range of 2.19-3.99 m–1.

© 2020 The Author(s)

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