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1.5-14 μm midinfrared supercontinuum generation in a low-loss Te-based chalcogenide step-index fiber

  • Zheming Zhao
  • , Xunsi Wang
  • , Shixun Dai
  • , Zhanghao Pan
  • , Shuo Liu
  • , Lihong Sun
  • , Peiqing Zhang
  • , Zijun Liu
  • , Qiuhua Nie
  • , Xiang Shen
  • , Rongping Wang

    Research output: Contribution to journalArticlepeer-review

    100 Citations (Scopus)

    Abstract

    We have experimentally demonstrated midinfrared (MIR) supercontinuum (SC) generation in a low-loss Te-based chalcogenide (ChG) step-index fiber. The fiber, fabricated by an isolated extrusion method, has an optical loss of 2-3 dB/m at 6.2-10.3 μm and 3.2 dB/m at 10.6 μm, the lowest value reported for any Te-based ChG step-index fiber. A MIR SC spectrum (∼1.5 to 14 μm) is generated from the 23-cm fiber pumped by a 4.5 μm laser (∼150 fs, 1 kHz). To the best of our knowledge, this is the first SC experimental demonstration in Te-based ChG fiber and the broadest MIR SC generation pumped in the normal dispersion regime in the optical fibers.

    Original languageEnglish
    Pages (from-to)5222-5225
    Number of pages4
    JournalOptics Letters
    Volume41
    Issue number22
    DOIs
    Publication statusPublished - 15 Nov 2016

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