研究目的
Investigating the characteristics of optical modes in a newly designed hollow-core photonic crystal fiber (PCF), focusing on large effective refractive index difference between vector beams and chromatic dispersion.
研究成果
The proposed PCF design demonstrates a large effective refractive index difference between the fundamental mode and the second order modes, ensuring stable transmission of vector modes. The PCF also shows a flat dispersion curve, beneficial for applications in fiber nonlinear effects and supercontinuum generation.
研究不足
The study is numerical, and practical fabrication and experimental validation of the proposed PCF design are not discussed.
1：Experimental Design and Method Selection:
The study employs a full-vector finite element method to simulate the electromagnetic field distribution, effective refractive index, and chromatic dispersion profile of different eigenmodes in the proposed PCF.
2：Sample Selection and Data Sources:
The PCF design includes a hollow core with three-period hexagonally arranged air hole rings in the cladding area.
3：List of Experimental Equipment and Materials:
The host material is pure silica.
4：Experimental Procedures and Operational Workflow:
The study involves controlling the size and distance of the air holes to support different order eigenmodes at given wavelengths.
5：Data Analysis Methods:
The effective refractive index and chromatic dispersion are calculated based on the material refractive index and the defined parameters.
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