Frontiers of Optoelectronics, 2019, 12 (2): 157–164, 网络出版: 2019-11-14  

Single polarization photonic crystal fiber filter based on surface plasmon resonance

Single polarization photonic crystal fiber filter based on surface plasmon resonance
作者单位
1 Department of Information and Communication Technology (ICT), Mawlana Bhashani Science and Technology University (MBSTU), Santosh, Tangail 1902, Bangladesh
2 Group of Biophotomatiχ, Santosh, Tangail 1902, Bangladesh
3 Department of Software Engineering (SWE), Daffodil International University, Shukrabad, Dhaka 1207, Bangladesh
摘要
Abstract
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.

, , , , , . Single polarization photonic crystal fiber filter based on surface plasmon resonance[J]. Frontiers of Optoelectronics, 2019, 12(2): 157–164. 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): 157–164.

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