研究目的
Investigating the effects of rotation angle and eccentricity on the birefringence and nonlinearity of a square shape photonic crystal fiber (PCF).
研究成果
The proposed square shaped PCF demonstrates ultra-high birefringence and high nonlinearity with lower beat length, making it suitable for polarization maintaining fiber and high bit rate data transmission systems. The study highlights the significant impact of core hole rotational angle and eccentricity on the fiber's modal properties.
研究不足
The study is based on numerical simulations, and actual fabrication may introduce variations not accounted for in the simulations. The performance of the PCF may be affected by fabrication imperfections.
1：Experimental Design and Method Selection:
The study employs a finite element method (FEM) with an electromagnetic absorption boundary perfectly matched layer (PML) for numerical examination of the proposed square shaped PCF.
2：Sample Selection and Data Sources:
The PCF is designed with a circular air hole organized in a square manner cladding with a porous core using elliptical holes.
3：List of Experimental Equipment and Materials:
The study uses silica as the hosting material for the PCF, with elliptical and circular air cavities in the core and cladding regions, respectively.
4：Experimental Procedures and Operational Workflow:
The investigation runs over a broader wavelength range near IR region from
5：20 mm to 80 mm to evaluate modal properties. Data Analysis Methods:
The study analyzes birefringence, beat length, effective area, nonlinearity, and other modal properties based on the numerical results obtained from FEM.
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