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Photonic Bandgap Propagation in All-Solid Chalcogenide Microstructured Optical Fibers

机译:全固态硫族化物微结构光纤中的光子带隙传播。

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摘要

An original way to obtain fibers with special chromatic dispersion and single-mode behavior is to consider microstructured optical fibers (MOFs). These fibers present unique optical properties thanks to the high degree of freedom in the design of their geometrical structure. In this study, the first all-solid all-chalcogenide MOFs exhibiting photonic bandgap transmission have been achieved and optically characterized. The fibers are made of an As38Se62 matrix, with inclusions of Te20As30Se50 glass that shows a higher refractive index (n = 2.9). In those fibers, several transmission bands have been observed in mid infrared depending on the geometry. In addition, for the first time, propagation by photonic bandgap effect in an all-chalcogenide MOF has been observed at 3.39 µm, 9.3 µm, and 10.6 µm. The numerical simulations based on the optogeometric properties of the fibers agree well with the experimental characterizations.
机译:获得具有特殊色散和单模行为的光纤的原始方法是考虑微结构光纤(MOF)。由于其几何结构设计的高度自由度,这些纤维具有独特的光学性能。在这项研究中,已经实现了第一个显示光子带隙透射的全固态全硫族化物MOF,并对其进行了光学表征。纤维由As38Se62基体制成,内含Te20As30Se50玻璃,折射率更高(n = 2.9)。在那些光纤中,根据几何形状,已经在中红外观察到了几个传输带。另外,首次在全硫族化物MOF中通过光子带隙效应的传播分别为3.39μm,9.3μm和10.6μm。基于光纤的光学几何特性的数值模拟与实验表征非常吻合。

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