Mid-infrared supercontinuum covering 2.0–16 μm in a low-loss telluride single-mode fiber

Zheming Zhao, Bo Wu, Xunsi Wang*, Zhanghao Pan, Zijun Liu, Peiqing Zhang, Xiang Shen, Qiuhua Nie, Shixun Dai, Rongping Wang

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    204 Citations (Scopus)

    Abstract

    A mid-infrared (MIR) supercontinuum (SC) has been demonstrated in a low-loss telluride glass fiber. The double-cladding fiber, fabricated using a novel extrusion method, exhibits excellent transmission at 8–14 μm: < 10 dB/m in the range of 8–13.5 μm and 6 dB/m at 11 μm. Launched intense ultrashort pulsed with a central wavelength of 7 μm, the step-index fiber generates a MIR SC spanning from ∼2.0 μm to 16 μm, for a 40-dB spectral flatness. This is a fresh experimental demonstration to reveal that telluride glass fiber can emit across the all MIR molecular fingerprint region, which is of key importance for applications such as diagnostics, gas sensing, and greenhouse CO2 detection. (Figure presented.).

    Original languageEnglish
    Article number1700005
    JournalLaser and Photonics Reviews
    Volume11
    Issue number2
    DOIs
    Publication statusPublished - 1 Mar 2017

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