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Polarization splitter based on dual-core photonic crystal fiber with octagonal lattice

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Abstract

The polarization characteristics of a photonic crystal fiber with octagonal lattice are evaluated by using the finite element method. The coupled-mode theory between two cores is introduced. A novel high extinction ratio and short length polarization splitter based on dual-core octagonal photonic crystal fiber is designed in this paper. Numerical results show that the extinction ratio at the wavelength of 1.55 µm can reach to −175.01 dB, and the bandwidth as the extinction ratio as low as −15 dB is about 82 nm. Besides, a 0.8518-mm-long photonic crystal fiber is better applied to the polarization beam splitter at the communication band of λ = 1.55 µm.

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Acknowledgments

Project supported by the National Natural Science Foundation of China (Grant Nos. 61178026, 61475134 and 61505175).

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Authors and Affiliations

  1. Key Laboratory of Metastable Materials Science and Technology, College of Science, Yanshan University, Qinhuangdao, 066004, China

    Xinyu Wang, Shuguang Li, Hailiang Chen, Guangyao Wang & Yunyan Zhao

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  1. Xinyu Wang
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  2. Shuguang Li
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  3. Hailiang Chen
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  4. Guangyao Wang
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  5. Yunyan Zhao
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Correspondence to Shuguang Li.

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Wang, X., Li, S., Chen, H. et al. Polarization splitter based on dual-core photonic crystal fiber with octagonal lattice. Opt Quant Electron 48, 271 (2016). https://doi.org/10.1007/s11082-016-0545-7

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