Measurements and modeling of modal birefringence and sensitivity to strain in a three-mode elliptical-core fiber

Ewa Chmielewska; Waclaw Urbanczyk

doi:10.1117/1.1635371

1 February 2004 Measurements and modeling of modal birefringence and sensitivity to strain in a three-mode elliptical-core fiber

Ewa Chmielewska, Waclaw Urbanczyk

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Optical Engineering, Vol. 43, Issue 2, (February 2004). https://doi.org/10.1117/1.1635371

We measure phase and group modal birefringence and also polarimetric strain sensitivity in a three-mode elliptical-core fiber for all spatial modes. Our results show a very high difference in fiber sensitivity to strain versus mode order, which is negative for the E₁₁ mode and positive for E₃₁ mode. We also model all measured parameters using Optiwave BPM-Cad and Cosmos/M software packages. The measured values of phase and group modal birefringence agree well with those obtained from calculations for all spatial modes. We do not observe as good an agreement between experimental and calculated values of strain sensitivity, which is most probably caused by the lack of reliable material constants for SiO₂/GeO₂ glasses.

©(2004) Society of Photo-Optical Instrumentation Engineers (SPIE)

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Ewa Chmielewska and Waclaw Urbanczyk "Measurements and modeling of modal birefringence and sensitivity to strain in a three-mode elliptical-core fiber," Optical Engineering 43(2), (1 February 2004). https://doi.org/10.1117/1.1635371

Published: 1 February 2004

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