Ultrabroadband supercontinuum generation with high coherence property in chalcogenide tapered fiber with all normal dispersion

Nan Zhang; Shixun Dai; Xuefeng Peng; Yingying Wang

doi:10.1117/12.2535480

9 September 2019 Ultrabroadband supercontinuum generation with high coherence property in chalcogenide tapered fiber with all normal dispersion

Nan Zhang, Shixun Dai, Xuefeng Peng , Yingying Wang

Author Affiliations +

Proceedings Volume 11122, Ultrafast Nonlinear Imaging and Spectroscopy VII; 1112214 (2019) https://doi.org/10.1117/12.2535480
Event: SPIE Optical Engineering + Applications, 2019, San Diego, California, United States

Abstract

We have experimentally reported an ultrabroadband midinfrared (MIR) supercontinuum (SC) generation with high coherence property in chalcogenide tapered fiber with all normal dispersion (ANDi). The fibers, fabricated by an isolated extrusion method, made of Ge₂₀As₂₀Se₁₅Te₄₅ core and Ge₂₀As₂₀Se₂₀Te₄₀ cladding glasses. A homemade tapering platform allows us to accurately control the core diameters of the tapered fibers to realize ANDi characteristic. A coherent MIR SC spectrum spanning from 1.7–12.7 Μm was generated in a 7 cm long tapered fiber pumped at 5.5 μm. And high coherence property of the generated SC spectrum was investigated and verified by the simulation.

Citation Download Citation

Nan Zhang, Shixun Dai, Xuefeng Peng , and Yingying Wang "Ultrabroadband supercontinuum generation with high coherence property in chalcogenide tapered fiber with all normal dispersion", Proc. SPIE 11122, Ultrafast Nonlinear Imaging and Spectroscopy VII, 1112214 (9 September 2019); https://doi.org/10.1117/12.2535480

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