金属覆层保偏光纤偏振器的五层波导模型及理论分析

A Model and Analysis of Five-Layer Optical Waveguide of Polarization Maintaining Fiber Polarizer with Metallic Coatings

对金属覆层保偏光纤偏振器建立了五层波导变参量物理模型 ,设计了自适应套孔爬山法的数值计算方法求解含多层波导本征值的复超越方程 ,计算结果揭示了金属覆层保偏光纤偏振器的物理机制 ,并对器件进行了优化设计 。

A physical model of five layer optical waveguide with variation parameters of polarization maintaining fiber (PMF) polarizer with metallic coatings is proposed. A numerical method named adaptive zoom hill climbing method is designed to solve complex transcendental equations of multi layer optical waveguide. The computing results discribe the physical mechanism of PMF polarizer with metallic coatings. Optimum design of device structure is achieved and the results of measurement are given.