Resonant couplings between core and cladding modes in helical core fibers with large core offset

Maciej Napiorkowski; Waclaw Urbanczyk

doi:10.1117/12.2236348

30 May 2016 Resonant couplings between core and cladding modes in helical core fibers with large core offset

Proceedings Volume 9916, Sixth European Workshop on Optical Fibre Sensors; 99161W (2016) https://doi.org/10.1117/12.2236348
Event: Sixth European Workshop on Optical Fibre Sensors (EWOFS'2016), 2016, Limerick, Ireland

Abstract

Using transformation optics formalism, we numerically analyzed the effect of resonant couplings between core and cladding modes in a helical core fiber with large core offset. Our study revealed much richer spectrum of resonant couplings than predicted by perturbative methods in fibers with small core offsets. Moreover, we demonstrated that the resonant couplings to lower order cladding modes predicted by perturbative methods are in fact prohibited for larger core offsets. Finally, we demonstrated the existence of spectrally broad polarization sensitive couplings to the cladding modes suggesting that helical core fibers with large core offsets may be used as broadband circular polarizers.

Citation Download Citation

Maciej Napiorkowski and Waclaw Urbanczyk "Resonant couplings between core and cladding modes in helical core fibers with large core offset", Proc. SPIE 9916, Sixth European Workshop on Optical Fibre Sensors, 99161W (30 May 2016); https://doi.org/10.1117/12.2236348

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