Mid-infrared supercontinuum covering 3–10 µm using a As<sub>2</sub>Se<sub>3</sub> core and As<sub>2</sub>S<sub>5</sub> cladding step-index chalcogenide fiber

DOI Web Site 3 Citations 14 References
  • DENG Dinghuan
    Research Center for Advanced Photon Technology, Toyota Technological Institute
  • LIU Lai
    Research Center for Advanced Photon Technology, Toyota Technological Institute
  • TUAN Tong Hoang
    Research Center for Advanced Photon Technology, Toyota Technological Institute
  • KANOU Yasuhiro
    Research Center for Advanced Photon Technology, Toyota Technological Institute
  • MATSUMOTO Morio
    Furukawa Denshi Co., Ltd.
  • TEZUKA Hiroshige
    Furukawa Denshi Co., Ltd.
  • SUZUKI Takenobu
    Research Center for Advanced Photon Technology, Toyota Technological Institute
  • OHISHI Yasutake
    Research Center for Advanced Photon Technology, Toyota Technological Institute

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Other Title
  • Mid-infrared supercontinuum covering 3&ndash;10 &micro;m using a As<sub>2</sub>Se<sub>3</sub> core and As<sub>2</sub>S<sub>5</sub> cladding step-index chalcogenide fiber
  • Mid-infrared supercontinuum covering 3–10μm using a As2Se3 core and As2S5 cladding step-index chalcogenide fiber

Abstract

A high numerical aperture (NA) step-index fiber with As2Se3 core and As2S5 cladding was fabricated for deep mid-infrared (MIR) transmission over 10 µm. MIR supercontinuum generation covering the wavelength from 3 to 10 µm was successfully demonstrated in this fiber using a MIR pulsed laser source with µJ-level energy output around 7 µm. A 4-cm-long fiber sample is sufficient to enable a spectral broadening spreading from 3 to 10 µm in a 20 dB dynamic range.

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