Abstract
A polarization splitter based on dual-core square-lattice ZnTe glass photonic crystal fiber has been designed and simulated by finite element method. The numerical results reveal that extinction ratio ERA=−92.16dB and ERB=−29.56dB at the communication wavelength 1.55μm, and the splitter with fiber length of 1.1452mm provides bandwidths with extinction ratio better than −20dB about 100nm for x-polarization mode and 45nm for y-polarization mode, respectively. At the communication wavelength 1.55μm, insertion loss is 4.8×10-3dB for x-polarization mode and 2.6×10-9dB for y-polarization mode respectively. We also compared the characteristics of ZnTe glass with those of silica glass.
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