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

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• 作者：Xinyu Wang ; Shuguang Li ; Hailiang Chen ; Guangyao Wang…
• 关键词：Photonic crystal fiber ; Polarization splitter ; Octagonal lattice
• 刊名：Optical and Quantum Electronics
• 出版年：2016
• 出版时间：April 2016
• 年：2016
• 卷：48
• 期：4
• 全文大小：1,213 KB
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• 作者单位：Xinyu Wang (1)
  Shuguang Li (1)
  Hailiang Chen (1)
  Guangyao Wang (1)
  Yunyan Zhao (1)
  
  1. Key Laboratory of Metastable Materials Science and Technology, College of Science, Yanshan University, Qinhuangdao, 066004, China
  
• 刊物主题：Optics, Optoelectronics, Plasmonics and Optical Devices; Electrical Engineering; Characterization and Evaluation of Materials; Computer Communication Networks;
• 出版者：Springer US
• ISSN：1572-817X

文摘

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.