Efficient mode controlling and dispersion tuning in low-loss chalcogenide glass ring-core fiber

Jinjing Wang,Yujie Miao,Shengchuang Bai,Zan Feng,Xiange Wang,Guolin Wu,Jun Wang,Keyu Yang,Qianqian Peng,Kai Jiao,Xiaolin Liang,Xunsi Wang,Zheming Zhao,Peiqing Zhang,Jun Dong,Qiuhua Nie,Rongping Wang

Infrared Physics & Technology（2022）

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摘要

•The RCF with excellent efficiency on optical mode controlling and dispersion tuning.•The first order vortex light OAM0,1 can be stably transmitted in the RCF.•The lowest loss of the RCF is 0.28 dB/m at 8.1 μm.•SC spectra form 1 to 14.4 µm in this RCF via pumping it near its ZDW around 4.5 µm.

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关键词

Chalcogenide glass fiber,Ring-core fiber,Orbital angular momentum (OAM),Vortex,Dispersion tunning,Supercontinuum

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