弯曲孔洞光纤中的模场分布和辐射损耗

I. Goncharenko, S. Helfert, R. Pregla
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引用次数: 0

摘要

在通信线路中,有孔的纤维(HFs)会因弯曲而暴露出来。在弯曲区会产生辐射损耗,影响高频光纤的传输特性。因此,为了更好地理解高频纤维的性质,必须研究其弯曲区模态的行为。本文分析了在不同的引导机制下,高频波导由于弯曲而引起的模场分布畸变和辐射损耗。由于阵列中的中心缺陷,这些光纤使用两种不同的机制来引导光:光子带隙效应或形成核心的缺陷区域与充当包层的周期区域的剩余部分之间的有效指数差异。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Mode field distribution and radiation loss in curved holey fibres
In communication lines holey fibres (HFs) can be exposed by bends. In the bend region the radiation loss can arise and influence the propagation properties of the HFs. Therefore, for better understanding HFs properties the behaviour of their modes in bend region has to be investigated. In this paper we analyse the distortion of the mode field distribution and radiation losses arising in HFs because of their bend with different guidance mechanisms. These fibres guide the light due to a central defect in the array using two different mechanisms: a photonic band gap effect or an effective index difference between the defect region, which forms the core, and remainder of the periodic region, which acts as the cladding.
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