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In this proposed work, a dual- core photonic crystal fiber (DC-PCF) based sensor that has hexagonal air hole grid structure is proposed. COMSOL Multiphysics software is used for simulation and finite element method (FEM) approach is used to investigate the performance for PCF. Mode coupling theory is the basic principle for sensing performance among the planned PCF. The background material used in this PCF is silica and its two fiber cores are divided by a single air hole and filled the different analyte with different refractive index (RI) into the central air holes. To independent waveguide are formed by circular shape central air holes. The maximum sensitivities calculated for this PCF is 2000 nm/ RIU and 1000 nm/ RIU for x- and y-polarized correspondingly with maximum detection limit 0.01 and sensing range from 1.3 to 1.32.

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Design of Dual Core Photonic Crystal Fiber (DC-PCF) with Hexagonal Lattice Structure

  • 会议论文

  • 发表日期：

    2026年

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  • Sushma Sawraj,
  • Dharmendra Kumar,
  • Ram Pravesh,
  • Vijay Shanker Chaudhary

摘要

In this proposed work, a dual- core photonic crystal fiber (DC-PCF) based sensor that has hexagonal air hole grid structure is proposed. COMSOL Multiphysics software is used for simulation and finite element method (FEM) approach is used to investigate the performance for PCF. Mode coupling theory is the basic principle for sensing performance among the planned PCF. The background material used in this PCF is silica and its two fiber cores are divided by a single air hole and filled the different analyte with different refractive index (RI) into the central air holes. To independent waveguide are formed by circular shape central air holes. The maximum sensitivities calculated for this PCF is 2000 nm/ RIU and 1000 nm/ RIU for x- and y-polarized correspondingly with maximum detection limit 0.01 and sensing range from 1.3 to 1.32.