Abstract
We present a hybrid cladding photonic crystal fiber (PCF) for shaping
nearly zero ultraflattened dispersion and low confinement losses in a wide
range of wavelengths. The finite difference method with anisotropic perfectly
matched boundary layer is used to investigate the guiding properties. It has
been shown theoretically that it is possible to obtain nearly zero ultraflattened
dispersion of 0 ± 0.25
ps/nm/km in a wavelength range
of 1.44 to 2.0 <i>µ</i>m with
low confinement losses less than 0.005 dB/km within the entire band of interest
from a five-ring hybrid cladding PCF.
© 2008 IEEE
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