Dispersion-tunable chalcogenide tri-cladding fiber based on novel continuous two-stage extrusion
Dispersion-tunable chalcogenide tri-cladding fiber based on novel continuous two-stage extrusion
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基于新型连续两阶段挤出的色散可调硫族化物三包层光纤
DOI：
10.1364/ome.389606
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发表时间：
2020
影响因子：
2.8
通讯作者：
Wang Rongping
中科院分区：
文献类型：
--
作者：
Si Nian;Xiao Jing;Wang Jinjing;Wang Xiange;Jiao Kai;Zhong Minghui;Zhao Zheming;Wang Xunsi;Liu Jia;Liu Yongxing;Zhang Peiqing;Nie Qiuhua;Wang Rongping
提出了一种用于色散调谐的新型鲁棒三包层阶梯式光纤结构，并对不同尺寸包层和纤芯的光纤进行了系统仿真。结果表明，可以获得双零色散波长（ZDW）点，第一个ZDW较短，为3.3 µm，第二个ZDW为9.9 µm。基于结构优化的模拟，我们通过新颖的连续两阶段挤压方法制备了结构良好的三包层光纤，在6.77 µm处损耗最小为1.55 dB/m。此外，在两个 ZDW 之间可以实现从 1.3 µm 延伸到 12.9 µm 的反常色散波长 5 µm 泵浦的平坦超连续谱，这与模拟结果非常吻合。毕竟，由 As2Se3、Ge10As22Se68、As2S3 组成的优化光纤表现出优异的性能，证明了通过简单方法制备具有三包层结构的高质量光纤的潜力。
A novel robust tri-cladding stepped fiber structure has been proposed for the dispersion tuning, and a systematic simulation has been given for the fibers with different sizes of claddings and cores. The results show that double zero-dispersion wavelength (ZDW) points can be obtained, and the first ZDW is shorter at 3.3 µm and the second ZDW at 9.9 µm. Based on the simulation of the structural optimization, we have prepared a well-structured tri-cladding fiber with a minimum loss of 1.55 dB/m at 6.77 µm by a novel continuous two-stage extrusion method. Moreover, a flattened supercontinuum extending from 1.3 to 12.9 µm pumping at anomalous dispersion wavelength of 5 µm between the two ZDWs can be achieved, which fits well with the simulated results. After all, the optimized fiber consisting of As2Se3, Ge10As22Se68, As2S3 exhibits excellent properties that demonstrate the potential for a simple way to prepare high quality fiber with a tri-cladding structure.