Abstract
The triangular-lattice highly birefringent photonic crystal fibers(PCFs) with gradually increasing diameter of the air holes along radial axis are put forward. The modal birefringence, dispersion and confinement loss of the fundamental mode are simulated by full vector Galerkin finite element method(FEM) with a perfectly matched layer(PML). The results show that this PCF can keep low confinement loss when the rings of air holes are few. When the wavelength is 1.55 μm, the birefringence, the confinement loss of quick-axis and slow-axis are 1.365×10−3, 0.017 dB/m and 0.051 dB/m, respectively. A new way is proposed to fabricate polarization-mainting fibers with high performance.
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This work is surported by National Natural Science Foundation of China(No.60577034)
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Gong, Tr., Yan, Fp., Wang, L. et al. A kind of photonic crystal fiber with high birefringence and low cofinement loss. Optoelectron. Lett. 4, 110–113 (2008). https://doi.org/10.1007/s11801-008-7118-3
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DOI: https://doi.org/10.1007/s11801-008-7118-3