Investigation of polarization dependence on gold-coated multicore fiber interferometer

Tianbo Zhu; Karima Chah; Francesco Chiavaioli; Joel Villatoro; Christophe Caucheteur

doi:10.1117/12.2678099

23 May 2023 Investigation of polarization dependence on gold-coated multicore fiber interferometer

Tianbo Zhu, Karima Chah, Francesco Chiavaioli, Joel Villatoro, Christophe Caucheteur

Proceedings Volume 12643, European Workshop on Optical Fibre Sensors (EWOFS 2023); 126431P (2023) https://doi.org/10.1117/12.2678099
Event: European Workshop on Optical Fibre Sensors (EWOFS 2023), 2023, Mons, Belgium

Abstract

In this work, we report on the refractometric sensing properties of an interferometer produced by fusion-splicing a segment of a seven coupled-core fiber to a standard single-mode fiber. We demonstrate that for a ~10 nm-thick gold layer deposited on the multicore facet, the interferometer amplitude and response to refractive index changes is polarization dependent. We thereby show that refractometric sensitivity is maximum for the polarization-induced minimum amplitude spectrum.

Citation Download Citation

Tianbo Zhu, Karima Chah, Francesco Chiavaioli, Joel Villatoro, and Christophe Caucheteur "Investigation of polarization dependence on gold-coated multicore fiber interferometer", Proc. SPIE 12643, European Workshop on Optical Fibre Sensors (EWOFS 2023), 126431P (23 May 2023); https://doi.org/10.1117/12.2678099

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