Abstract
Abstract—In this paper, a scalable dispersion management
approach for microstructured fibers (MSFs) is proposed and
applied to the design of zero-dispersion fibers and ultrawideband
dispersion-flattened fibers. The proposed method can predict the
dispersion of MSFs accurately by taking secondary dispersion
into account, this being the interactive contribution from both the
material and the geometrical effects. The secondary dispersion
is modeled as a function of the propagation index difference and
wavelength, and the model can be exploited to predict the secondary
dispersion of scaled structures. This method of predicting
dispersion is then combined with the scalable property of the
geometrical dispersion to form a scalable dispersion-tailoring
approach. This new design approach is applied to the design of
zero-dispersion MSFs working at 1.55 µm and 1.3 µm, respectively.
It is then shown that the method can be used for the design
of ultrawideband zero-dispersion fibers. A MSF with predicted
dispersion as low as 0.2 ps/(km nm) over the range 1.3–1.6 µm is
described.
© 2011 IEEE
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