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Surface Plasmon Induced Polarization Splitting Based on Dual-Core Photonic Crystal Fiber with Metal Wire

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Abstract

The polarization characteristics of a dual-core photonic crystal fiber (PCF) with a metal wire filled into the cladding air hole between the two cores have been investigated. Numerical investigation shows that the inclusion of the metal wire greatly changes the coupling characteristics of the modes in the two cores. In fact, the coupling lengths of the two polarizations show increased difference, which leads to the possibility of designing a dual-core PCF with a coupling length ratio of 1:2 for the two polarization states. The proposed polarization splitter shows extinction ratios as low as −20 dB with bandwidths as great as 146 nm.

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Acknowledgments

This work is supported by the National Natural Science Foundation of China (NNSFC) (grant no. 10904051), the Qing Lan Project of Jiangsu Province, the Innovation Program of Graduated Student of Jiangsu Province (grant no. CXZZ11_0547), and the Open Fund of Key Subject of Zhejiang Province (Applied Nonlinear Science and Technology, grant no. xkz12003).

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Authors and Affiliations

  1. Department of Optical Engineering, School of Mechanical Engineering, Jiangsu University, Zhenjiang, 212013, Jiangsu Province, China

    Bing Sun & Ming-Yang Chen

  2. Faculty of Science, Ningbo University, Ningbo, 315211, Zhejiang Province, China

    Jun Zhou

  3. School of Mechanical Engineering, Southeast University, Nanjing, 211189, Jiangsu Province, China

    Yong-Kang Zhang

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  1. Bing Sun
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  2. Ming-Yang Chen
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  3. Jun Zhou
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  4. Yong-Kang Zhang
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Correspondence to Ming-Yang Chen.

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Sun, B., Chen, MY., Zhou, J. et al. Surface Plasmon Induced Polarization Splitting Based on Dual-Core Photonic Crystal Fiber with Metal Wire. Plasmonics 8, 1253–1258 (2013). https://doi.org/10.1007/s11468-013-9542-x

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  • DOI: https://doi.org/10.1007/s11468-013-9542-x

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