摘要
通过引入几个较大空气轴,设计了几种全反射光子晶体光纤(toatl internal reflection photonic fiber).运用平面波展开法(plane-wave expansion method)和频域有限差分方法(finite-diflerence frequency-domain method)对它们的约束模式、有效折射率和归一化频率等特性进行了分析.结果表明当第一圈填充率(d/Λ)改变时其约束模式、有效折射率和归一化频率有明显的变化,对设计低损耗光纤有一定的作用.
We propose a novel design of total internal reflection photonic fiber. It is designed by introducing a new defect, several bigger high-index rods, in the cladding of a conventional total internal reflection photonic fiber. Using the plane-wave expansion method and the finite-different frequency-domain method , analyze the confine mode and the effective index. The numerical results show that when the first-ring was changed, the properties of confine mode and the effective index had bovious changes. This will have some role in the designing the low loss fiber.
出处
《新疆大学学报（自然科学版）》
CAS
2009年第2期196-199,共4页
Journal of Xinjiang University(Natural Science Edition)
