Fabrication and Characterization of Three-hole As2S3 Suspended-Core Fibers Based on Robust Extrusion | Zendy

Youmei Tian | Zendy; Lihong Sun | Zendy; Peng Chen | Zendy; Zugang Xue | Zendy; Xunsi Wang | Zendy; Shixun Dai | Zendy; Zheming Zhao | Zendy; Zijun Liu | Zendy; Peipeng Xu | Zendy; Peiqing Zhang | Zendy; Xing Li | Zendy; Qiuhua Nie | Zendy; Rongping Wang | Zendy

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Fabrication and Characterization of Three-hole As₂S₃ Suspended-Core Fibers Based on Robust Extrusion

Author(s) -

Youmei Tian,

Lihong Sun,

Peng Chen,

Zugang Xue,

Xunsi Wang,

Shixun Dai,

Zheming Zhao,

Zijun Liu,

Peipeng Xu,

Peiqing Zhang,

Xing Li,

Qiuhua Nie,

Rongping Wang

Publication year - 2018

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2018.2857490

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

We have prepared a three-hole AsS suspended-core fiber (SCF) with an As₂S₃ core and a Ge₁₅Sb₁₀Se₇₅ cladding via a robust technique combining the traditional rod-in-tube process with the preform extrusion method. The as-fabricated chalcogenide SCF has a core diameter as small as 2.33 μm. The lowest fiber loss is 0.62 dB/m at 2.71 μm and the nonlinear Kerr coefficient is up to 4251.96 W^-1·km^-1 at 1.55 μm. The simulation of the dispersion distribution in the fiber indicates that there are two zero-dispersion wavelengths (ZDW) at 2.57 μm and 6.35 μm, respectively, and the ZDW can be further turned into a shorter wavelength if the core size of the fiber is reduced via the in situ tapering process. This makes the fiber much easier to be pumped by cheap and commercial lasers available. Finally, a broad supercontinuum spectrum covering 1.5-9.5 μm is obtained in the SCF pumped by an optical parametric amplifier laser system at 3 μm.

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