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 $-9486.1\mathrm{ps}/(\mathrm{nm}·\mathrm{km})$ at 1550 nm wavelength with a negative dispersion more than $-7000\mathrm{ps}/(\mathrm{nm}·\mathrm{km})$ over the entire C-band (1530–1565 nm), which is suitable for broadband dispersion compensation. The birefringence is about $4.13\times {10}^{-2}$ at 1550 nm 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.

© 2017 Optical Society of America

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