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首页> 外文期刊>Optics Letters >Improved air-silica photonic crystal with a triangular airhole arrangement for hollow-core photonic bandgap fiber design
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Improved air-silica photonic crystal with a triangular airhole arrangement for hollow-core photonic bandgap fiber design

机译:改进的空硅光子晶体,带有三角形气孔结构,用于空心光子带隙光纤设计

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摘要

We propose an improved photonic crystal (PC) cladding design for existing air-guiding photonic bandgap (PBG) fibers whose cladding airholes are arranged in a triangular lattice pattern. By increasing the sizes of concentrated silica regions in the cladding PC, we can have a larger degree of freedom in controlling the cladding bandgap regions. We predict that a fiber made from this type of cladding would perform better in terms of the PBG-guiding wavelength range, radiation loss owing to finite cladding size, and the ability to avoid surface mode problems.
机译:我们提出了一种改进的光子晶体(PC)包层设计,用于现有的导气光子带隙(PBG)光纤,其包层气孔排列成三角形格子图案。通过增加包层PC中浓缩的二氧化硅区域的尺寸,我们可以在控制包层带隙区域方面拥有更大的自由度。我们预测,由这种类型的包层制成的光纤在PBG引导波长范围,由于有限的包层尺寸导致的辐射损耗以及避免表面模式问题的能力方面将表现更好。

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