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Numerical investigation of high birefringence and nonlinearity tellurite glass photonic crystal fiber with microstructured core

机译:具有微结构芯的高双折射和非线性碲化玻璃光子晶体的数值研究

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摘要

In this paper, a novel photonic crystal fiber (PCF) based on tellurite glass with high birefringence and high non-linearity is designed. Six small air holes arranged nearly rectangularly are added in the fiber core to form the near-elliptic core. By using the finite-element method with the help of COMSOL Multiphysics software, we investigate and simulate the birefringence, effective mode area, nonlinear coefficient, and the dispersion characteristics. Simulation results show that by optimizing the structure parameters of the core, at the wavelength of 1.55 mu m, the birefringence is up to 5.05 x 10(-2); the nonlinear coefficient can reach a maximum of 1896 W-1 km(-1); moreover, the zero dispersion points can be obtained around the wavelength 1.55 mu m. The proposed structure is easy to fabricate. The advantage of the proposed PCF has potential applications in polarization control, communication systems, and supercontinuum generation. (C) 2021 Optical Society of America
机译:本文设计了一种基于碲酸盐玻璃的高双折射、高非线性光子晶体光纤。在纤芯中加入六个近直角排列的小孔,形成近椭圆形纤芯。利用有限元方法,借助COMSOL Multiphysics软件,研究并模拟了双折射、有效模面积、非线性系数和色散特性。仿真结果表明,通过优化纤芯的结构参数,在波长为1.55μm时,双折射达到5.05×10(-2);非线性系数最大可达1896w-1km(-1);此外,在波长1.55μm附近可以获得零色散点。该结构易于制造。所提出的光子晶体光纤的优点在偏振控制、通信系统和超连续谱产生方面有潜在的应用。(2021)美国光学学会

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  • 来源
    《Applied optics》 |2021年第15期|共7页
  • 作者

    Wang Jiangyun;

  • 作者单位

    Shijiazhuang Univ Appl Technol Shijiazhuang 050081 Hebei Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 应用;
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