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本文根据全矢量模型对六角形光子晶体光纤(PCF)的各种结构参数对基模非线性系数的影响进行数值研究,数值研究发现,增大空气孔的直径d或者减小空气孔的间距Λ都会使非线性系数增大,这将对设计不同要求的非线性微结构光纤提供有效的理论依据。
In this paper, based on the full vector model, the influence of various structural parameters of hexagonal photonic crystal fiber (PCF) on the nonlinear coefficient of the fundamental mode is numerically studied. The numerical study shows that increasing the diameter of the air hole d or decreasing the air hole spacing Λ Will increase the nonlinear coefficient, which will provide effective theoretical basis for the design of different requirements of non-linear microstructured optical fiber.