Equiangular spiral photonic crystal fibers with low bending loss

Md. Asiful Islam; M. Shah Alam

doi:10.1117/1.OE.52.10.100502

14 October 2013 Equiangular spiral photonic crystal fibers with low bending loss

Md. Asiful Islam, M. Shah Alam

Author Affiliations +

Optical Engineering, Vol. 52, Issue 10, 100502 (October 2013). https://doi.org/10.1117/1.OE.52.10.100502

Abstract

The leakage losses of a bent equiangular spiral photonic crystal fiber (ES-PCF) have been analyzed in this paper by employing a full-vectorial finite element method. The analysis shows that the confinement and bending losses of ES-PCF are several orders of magnitude less than that of the conventional hexagonal lattice PCF (H-PCF) with similar dimensions. Also, the bending loss increases less rapidly in ES-PCF than in H-PCF for similar bending radii. It has also been found that no mode degeneration between fundamental core mode and first cladding mode occurs in ES-PCF. The reason of higher field confinement in ES-PCF than its hexagonal counterpart is also discussed.

Citation Download Citation

Md. Asiful Islam and M. Shah Alam "Equiangular spiral photonic crystal fibers with low bending loss," Optical Engineering 52(10), 100502 (14 October 2013). https://doi.org/10.1117/1.OE.52.10.100502

Published: 14 October 2013

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