• Frontiers of Optoelectronics
  • Vol. 12, Issue 2, 157–164 (2019)
Md. Nazmul1, Md. FERDOUS1, Kawsar AHMED1、2、*, Md. Abdul1, Sujan CHAKMA1, and Bikash Kumar2、3
Author Affiliations
  • 1Department of Information and Communication Technology (ICT), Mawlana Bhashani Science and Technology University (MBSTU), Santosh, Tangail 1902, Bangladesh
  • 2Group of Biophotomatiχ, Santosh, Tangail 1902, Bangladesh
  • 3Department of Software Engineering (SWE), Daffodil International University, Shukrabad, Dhaka 1207, Bangladesh
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    In this paper, we propose a photonic crystal fiber (PCF) polarization filter based on surface plasmon resonance (SPR) characteristics. Gold nanowire is used as the active plasmonic material. Light into silica core becomes coupled to gold nanowire stimulating SPR. It splits light into two orthogonal (x-polarization and ypolarization) polarization in the second order of surface plasmon polarization. Numerical investigations of the proposed PCF filter is finite element method (FEM). By tuning the diameter of gold nanowire and shifting their position, the performance of the proposed PCF filter is inspected rigorously. Filtering of any polarization can be obtained by properly placing the metal wires. The maximum confinement loss of x-polarization is 692.25 dB/cm and y-polarization is 1.13 dB/cm offers at resonance position 1.42 μm. Such a confinement loss difference between two orthogonal polarizations makes PCF a talented candidate to filter devices. Consequently, the recommended PCF structure is useful for polarization device.
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    Md. Nazmul, Md. FERDOUS, Kawsar AHMED, Md. Abdul, Sujan CHAKMA, Bikash Kumar. Single polarization photonic crystal fiber filter based on surface plasmon resonance[J]. Frontiers of Optoelectronics, 2019, 12(2): 157
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    Received: Jun. 8, 2018
    Accepted: Jul. 31, 2018
    Posted: Feb. 1, 2019
    Published Online: Nov. 14, 2019
    The Author Email: AHMED Kawsar (kawsar.ict@mbstu.ac.bd)