Pressure sensitivity of the birefringent photonic crystal fiber with triple defect

Tadeusz Martynkien; Marcin Szpulak; Gabriela Statkiewicz; Waclaw Urbanczyk; Jan Wojcik; Pawel Mergo; Mariusz Makara

doi:10.1117/12.545650

15 September 2004 Pressure sensitivity of the birefringent photonic crystal fiber with triple defect

Tadeusz Martynkien, Marcin Szpulak, Gabriela Statkiewicz, Waclaw Urbanczyk, Jan Wojcik, Pawel Mergo, Mariusz Makara

Proceedings Volume 5450, Photonic Crystal Materials and Nanostructures; (2004) https://doi.org/10.1117/12.545650
Event: Photonics Europe, 2004, Strasbourg, France

Abstract

We investigated theoretically and experimentally an impact of hydrostatic pressure on phase modal birefringence in birefringent photonic crystal holey fiber of new construction. The birefringence in this fiber is induced by highly elliptical shape of the core, which consists of triple defect in the hexagonal structure. Using finite element method, we first calculated the stress components and deformations induced by hydrostatic pressure in the fiber cross-section. In the second step, the distribution of the stress-related corrections of refractive index were determined. Finally, we calculated the sensitivity of the phase modal birefringence (dB/dp) to hydrostatic pressure versus wavelength. The contribution of the geometrical effects related only to deformation of the holey structure as well as the stress-related contribution to the overall pressure sensitivities were analyzed separately. Our results show that these two factors decrease the phase modal birefringence, which results in negative sign of dB/dp. We also measured the pressure sensitivity for several wavelengths using polarimetric technique. The experimental and theoretical values of dB/dp show very good agreement.

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Tadeusz Martynkien, Marcin Szpulak, Gabriela Statkiewicz, Waclaw Urbanczyk, Jan Wojcik, Pawel Mergo, and Mariusz Makara "Pressure sensitivity of the birefringent photonic crystal fiber with triple defect", Proc. SPIE 5450, Photonic Crystal Materials and Nanostructures, (15 September 2004); https://doi.org/10.1117/12.545650

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