8 January 2013 High birefringence terahertz photonic crystal fiber
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A new high birefringence terahertz photonic crystal fiber is proposed. The properties of birefringence, confinement loss, and chromatic dispersion are studied by using full-vector finite-element methods with an anisotropic perfectly matched layers absorption boundary condition. The cladding contains several periodically arranged diamond-shaped units, which consists of four elliptical air holes with uniform parameters. The fiber core is formed by employing a solid unit without elliptical air holes in the center of the cross-section. Through adjusting the structural parameters of the photonic crystal fiber, we can achieve birefringence up to 10−3 from 180 to 400 μm. The confinement loss can decrease to 10−9  dB/m at 100 μm. The chromatic dispersion coefficient Dw is near to 0±1.0  ps/(nm km) from 100 to 400 μm.
© 2013 Society of Photo-Optical Instrumentation Engineers (SPIE)
Jian Tang, Jian Tang, Zhigang Zhang, Zhigang Zhang, Deng Luo, Deng Luo, Ming Chen, Ming Chen, Hui Chen, Hui Chen, } "High birefringence terahertz photonic crystal fiber," Optical Engineering 52(1), 014004 (8 January 2013). https://doi.org/10.1117/1.OE.52.1.014004 . Submission:


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