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Modeling of low non-linearity and low confinement loss photonic crystal fiber by introducing asymmetric defect structures
Phosphorus, Sulfur, and Silicon and the Related Elements ( IF 1.3 ) Pub Date : 2020-09-25 , DOI: 10.1080/10426507.2020.1804205
M. Benhaddad 1 , F. Kerrour 1
Affiliation  

Abstract In this article, confinement loss in hexagonal lattice photonic crystal fiber has been investigated, by using COMSOL Multiphysics based on finite element method. The proposed structure consists of four circular air holes rings, where three circular air holes near the center are replaced by elliptical air holes, which have a major and minor diameter. The Confinement loss was studied in term of minor diameter and wavelength in the range of about 1200–1800 (nm). We realized that the rise of minor diameter lead to decreases of imaginary part of effective index and therefore the confinement loss reduces. GRAPHICAL ABSTRACT

中文翻译:

通过引入不对称缺陷结构对低非线性和低限制损耗光子晶体光纤进行建模

摘要 本文使用基于有限元方法的 COMSOL Multiphysics 研究了六方晶格光子晶体光纤中的约束损耗。提议的结构由四个圆形气孔环组成,其中靠近中心的三个圆形气孔被具有大直径和小直径的椭圆形气孔代替。限制损耗是根据约 1200-1800 (nm) 范围内的小直径和波长来研究的。我们意识到小径的增加导致有效指数的虚部减少,因此限制损失减少。图形概要
更新日期:2020-09-25
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