26 July 2011 Modelling of tapered and microstructured fibers
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Proceedings Volume 8001, International Conference on Applications of Optics and Photonics; 80014J (2011) https://doi.org/10.1117/12.892247
Event: International Conference on Applications of Optics and Photonics, 2011, Braga, Portugal
Abstract
We perform an accurate numerical modelling of both tapered and microstructured fibers using a finite element numerical approach. We compute the propagation modes, i.e., distribution of the electric field over the cross section, effective modal area and dispersion characteristics. The dependence of the dispersion properties on wavelength are calculated by solving the eigenvalue equation for fiber modes and using Sellmeier equation. The optical properties of tapered fibers are shown to be very sensitive to the core size. The zero dispersion wavelength can be shifted to the visible range and, in some cases, two zero dispersion wavelengths are observed. The dependence of the dispersion properties and of the effective mode area of a microstructured fiber with hexagonal symmetry on the air-hole diameter and the hole-to-hole spacing is also investigated.
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S. R. Carneiro, M. V. Facão, S. C. Latas, M. F. Ferreira, "Modelling of tapered and microstructured fibers", Proc. SPIE 8001, International Conference on Applications of Optics and Photonics, 80014J (26 July 2011); doi: 10.1117/12.892247; https://doi.org/10.1117/12.892247
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