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Proceedings Paper

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

Paper Details

Date Published: 30 May 2016
PDF: 4 pages
Proc. SPIE 9916, Sixth European Workshop on Optical Fibre Sensors, 99161W (30 May 2016); doi: 10.1117/12.2236348
Show Author Affiliations
Maciej Napiorkowski, Wroclaw Univ. of Technology (Poland)
Waclaw Urbanczyk, Wroclaw Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 9916:
Sixth European Workshop on Optical Fibre Sensors
Elfed Lewis, Editor(s)

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