Supercontinuum generation from 437 to 2850 nm in a tapered fluorotellurite microstructured fiber

F. Wang, Z. X. Jia, C. F. Yao, S. B. Wang, M. L. Hu, C. F. Wu, Y. Ohishi, W. P. Qin, G. S. Qin

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5 Scopus citations

Abstract

We demonstrated supercontinuum (SC) generation in a tapered fluorotellurite microstructured fiber (MF) with a sub-micrometer core diameter. Fluorotellurite MFs based on TeO2-BaF2-Y2O3 glasses were fabricated by using a rod-in-tube method and a tapered fluorotellurite MF with a minimum core diameter of ∼0.65 μm was prepared by employing a tapering system. A 1560 nm femtosecond fiber laser was used as the pumping source. With increasing the peak power of the launched pump laser to ∼11 kW, SC light expanding from 437 to 2850 nm was generated in the tapered fluorotellurite MF. In addition, relatively strong blue-shifted dispersive wave at ∼489 nm was also observed from the tapered fluorotellurite MF.

Original languageEnglish
Article number125101
JournalLaser Physics Letters
Volume13
Issue number12
DOIs
StatePublished - Dec 2016
Externally publishedYes

Keywords

  • fluorotellurite microstructured fiber
  • supercontinuum generation
  • tapered fiber

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