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Design and simulation of a compact polarization beam splitter based on dual-core photonic crystal fiber with elliptical gold layer.
Chen, Nan; Yue, Wanglin; Xu, Yiming; Guo, Wenhui; Xiao, Yunpeng; Ren, Zhongjie; Ding, Xin; Li, Ming; Xu, Yiran; Wu, Tiancheng; Liu, Chenxun.
Afiliación
  • Chen N; School of Electrical Engineering and Automation, Nantong University, Nantong, 226019, China. ntu_chennan@ntu.edu.cn.
  • Yue W; School of Electrical Engineering and Automation, Nantong University, Nantong, 226019, China.
  • Xu Y; School of Electrical Engineering and Automation, Nantong University, Nantong, 226019, China.
  • Guo W; School of Electrical Engineering and Automation, Nantong University, Nantong, 226019, China.
  • Xiao Y; School of Electrical Engineering and Automation, Nantong University, Nantong, 226019, China.
  • Ren Z; School of Science, Nantong University, Nantong, 226019, China.
  • Ding X; College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, 518060, China.
  • Li M; School of Computer Engineering, Jiangsu Ocean University, Lianyungang, 222000, China.
  • Xu Y; Department of Electronic and Electrical Engineering, University College London, London, WC1E 6BT, UK.
  • Wu T; School of Electrical Engineering and Automation, Nantong University, Nantong, 226019, China.
  • Liu C; School of Electrical Engineering and Automation, Nantong University, Nantong, 226019, China.
Sci Rep ; 14(1): 18017, 2024 Aug 04.
Article en En | MEDLINE | ID: mdl-39097630
ABSTRACT
For the polarization multiplexing requirements in all-optical networks, this work presents a compact all-fiber polarization beam splitter (PBS) based on dual-core photonic crystal fiber (PCF) and an elliptical gold layer. Numerical analysis using the finite element method (FEM) demonstrates that the mode modulation effect of the central gold layer effectively reduces the dimensions of the proposed PBS. By determining reasonable structural parameters of the proposed PCF, the coupling length ratio (CLR) between X- and Y-polarized super-modes can approach 2, achieving a minimal device length of 0.122 mm. The PBS exhibits a maximum extinction ratio (ER) of - 65 dB at 1.55 µm, with an operating bandwidth spanning 100 nm (1.5-1.6 µm) and a stable insertion loss (IL) of ~ 1.5 dB at 1.55 µm. Furthermore, the manufacture feasibility and performance verification scheme are also investigated. It is widely anticipated that the designed PBS will play a crucial role in the ongoing development process of miniaturization and integration of photonic devices.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Sci Rep Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Sci Rep Año: 2024 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido