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All-fiber-integrated and spectrally flat 2-5μm supercontinuum generation in InF3 fiber with high conversion efficiency
Author(s): Linyong Yang; Bin Zhang; Zehua Xu; Donghuan Jin; Tianyi Wu; Xuan He; Yijun Zhao; Jing Hou
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Paper Abstract

A strictly-all-fiberized 2 to 5 μm supercontinuum (SC) laser source with high conversion efficiency is demonstrated. A broadband thulium-doped fiber amplifier with spectral coverage of 2-2.7 μm is used to pump a piece of single-mode fluoroindate (InF3) fiber. A fusion spliced joint with loss down to 0.07 dB is achieved between a piece of silica fiber and the InF3 fiber, which keeps all-fiber structure and efficient pump power coupling. A 1.35-W SC with spectral coverage of 1.5-5.2 μm is obtained with a record power conversion efficiency of 59.5%. This research, to the best of the authors' knowledge, demonstrates the first all-fiber-integrated of InF3-fiber-based MIR-SC laser sources to date.

Paper Details

Date Published: 14 February 2019
PDF: 4 pages
Proc. SPIE 11048, 17th International Conference on Optical Communications and Networks (ICOCN2018), 110484W (14 February 2019); doi: 10.1117/12.2523012
Show Author Affiliations
Linyong Yang, National Univ. of Defense Technology (China)
Bin Zhang, National Univ. of Defense Technology (China)
Zehua Xu, National Univ. of Defense Technology (China)
Donghuan Jin, National Univ. of Defense Technology (China)
Tianyi Wu, National Univ. of Defense Technology (China)
Xuan He, National Univ. of Defense Technology (China)
Yijun Zhao, National Univ. of Defense Technology (China)
Jing Hou, National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 11048:
17th International Conference on Optical Communications and Networks (ICOCN2018)
Zhaohui Li, Editor(s)

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