Geometric definition of the V-parameter in photonic crystal fibers

Xian-Feng Bao; Xiao-Jun Wang; Hua SuXiao-Jian Shu

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Geometric definition of the V-parameter in photonic crystal fibers

机译：光子晶体光纤中V参数的几何定义

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We propose a general geometric definition of the V-parameter in photonic crystal fibers (PCF). We argue that the fundamental modal field in both square-lattice and triangular-lattice PCFs can be approached by certain proper assemblies of the fundamental mode in a one-dimensional planar waveguide. This observation suggests a geometric definition of the effective core radius and the single-mode regime of V ≤ π/2 in various PCFs. The numerical results imply that the suggestion is valid for all of the one-rod, seven-rod, 19-rod, and 37-rod core triangular-lattice PCFs and the one-rod, nine-rod, and 25-rod core square-lattice PCFs.

机译：我们提出了光子晶体光纤（PCF）中V参数的一般几何定义。我们认为，方形晶格和三角形晶格PCF中的基本模态场都可以通过一维平面波导中基本模态的某些适当组装来接近。这一观察结果提出了有效核心半径的几何定义和各种PCF中V ≤ π/2的单模状态。数值结果表明，该建议适用于所有单杆、七杆、19杆和37杆芯三角晶格PCF以及单杆、九杆和25杆芯方形晶格PCF。

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来源
《Optics Letters》 |2014年第4期|892-895|共4页
作者
Xian-Feng Bao; Xiao-Jun Wang; Hua SuXiao-Jian Shu;
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作者单位

Institute of Applied Physics and Computational Mathematics, Beijing 100094, China;

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正文语种英语
中图分类计量学;
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Geometric definition of the V-parameter in photonic crystal fibers

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