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中文摘要：
有弄平的分散的新奇高度非线性的 photonic 水晶纤维(HN-PCFs ) 被作为纤维核心省略 19 个空气洞建议。模拟结果证明高非线性和弄平的分散能被在 cladding 采用仅仅空气洞的二种类型同时完成。减少监禁损失，修改图案被介绍。监禁损失在在 1.55 m 的 0.1 dB/km 下面，当空气洞戒指的七层被介绍给 cladding 时。在修改以后，分散能从 0.5 ps/ 变化(nm ???????? e
英文摘要：
Novel highly nonlinear photonic crystal fibers（HN-PCFs） with flattened dispersion are proposed by omitting 19 air holes as the fiber core.The simulation results show that the high nonlinearity and the flattened dispersion can be achieved simultaneously by employing only two types of air holes in the cladding.To reduce the confinement loss,the modified designs are presented.The confinement loss is below 0.1 dB/km at 1.55 μm,when seven layers of air-hole rings are introduced to the cladding.After modifying,the dispersion can change from-0.5 ps/（nm.km） to＋0.5 ps/（nm.km） in the range from 1.35 μm to 2.06 μm,and the effective mode area is as low as 2.27 μm 2 at 1.55 μm.
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