The confinement losses in honeycomb photonic bandgap fibers are numerically investigated by means of the finite element method. Honeycomb fibers with both an extra hole and a low refractive index region as defects are considered. It is shown that by means of a proper design, confinement losses lower than 0.1 dB/km at λ=1.55 μm can be obtained with four hole rings.
Confinement losses in honeycomb fibers / Vincetti, Luca. - In: IEEE PHOTONICS TECHNOLOGY LETTERS. - ISSN 1041-1135. - STAMPA. - 16:9(2004), pp. 2048-2050. [10.1109/LPT.2004.833111]
Confinement losses in honeycomb fibers
VINCETTI, Luca
2004
Abstract
The confinement losses in honeycomb photonic bandgap fibers are numerically investigated by means of the finite element method. Honeycomb fibers with both an extra hole and a low refractive index region as defects are considered. It is shown that by means of a proper design, confinement losses lower than 0.1 dB/km at λ=1.55 μm can be obtained with four hole rings.
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