Abstract
A triangular lattice dispersion compensating photonic crystal fiber is presented in this paper. The fiber produces high birefringence and operates at fundamental mode only. The full vector finite element method with a perfectly matched absorbing layer boundary condition is applied to investigate the guiding properties of the proposed fiber. The designed fiber demonstrates that it is possible to obtain a very large negative dispersion of -9486.1 ps/(nm·km) at 1550nm wavelength with a negative dispersion more than -7000 ps/(nm·km) over the entire C-band (1530-1565nm), which is suitable for broadband dispersion compensation. The birefringence is about 4.13×10-2 at 1550nm wavelength, which is also very high. All these properties make this fiber very suitable in the area of broadband dispersion compensation and polarization-maintaining applications.
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