Study of the Structure of Photonic Crystal Fiber with High Negative Dispersion Coefficient
Abstract
The optical fiber communication has been second topics only to robot study for today. In the
process of the Dense Wave-Length Division Multiplexing (DWDM) study, the problem of the
dispersion compensate for the traditional optical fiber is a difficult problem to be solved for
long distance transport information. In order to solve this problem, it is half work and times
time by experimental study on photonic crystals with high negative dispersion structure. The
advanced COMSOL Multiphysics many physical fields coupling calculation software is preferred.
The research methods are that the structural parameters are adjusted for the traditional
hexagonal photonic crystal fiber and the negative dispersion coefficient is obtained as far as
possible large. Then the structure that the several layers with same spacing is designed and the
structure is with ultra-high negative dispersion coefficient. The result shows that it is several
ten times of the domestic level and it is 1.1 times of the international level. It is times work and
half time by COMSOL Multiphysics many physical fields coupling calculation software in
Modeling, mesh subdivision, calculation and analysis. The result is the theory basis for DWDM.
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