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Near-infrared to ultra-violet frequency conversion in chalcogenide metasurfaces

Author

Listed:
  • Jiannan Gao

    (Duke University)

  • Maria Antonietta Vincenti

    (University of Brescia)

  • Jesse Frantz

    (US Naval Research Laboratory)

  • Anthony Clabeau

    (University Research Foundation)

  • Xingdu Qiao

    (University of Pennsylvania)

  • Liang Feng

    (University of Pennsylvania)

  • Michael Scalora

    (Aviation and Missile Center, US Army CCDC)

  • Natalia M. Litchinitser

    (Duke University)

Abstract

Chalcogenide photonics offers unique solutions for a broad range of applications from mid-infrared sensing to integrated, ultrafast, ultrahigh-bandwidth signal processing. However, to date its usage has been limited to the infrared part of the electromagnetic spectrum, thus avoiding ultraviolet and visible ranges due to absorption of chalcogenide glasses. Here, we experimentally demonstrate and report near-infrared to ultraviolet frequency conversion in an As2S3-based metasurface, enabled by a phase locking mechanism between the pump and the inhomogeneous portion of the third harmonic signal. Due to the phase locking, the inhomogeneous component co-propagates with the pump pulse and encounters the same effective dispersion as the infrared pump, and thus experiences little or no absorption, consequently opening previously unexploited spectral range for chalcogenide glass science and applications, despite the presence of strong material absorption in this range.

Suggested Citation

  • Jiannan Gao & Maria Antonietta Vincenti & Jesse Frantz & Anthony Clabeau & Xingdu Qiao & Liang Feng & Michael Scalora & Natalia M. Litchinitser, 2021. "Near-infrared to ultra-violet frequency conversion in chalcogenide metasurfaces," Nature Communications, Nature, vol. 12(1), pages 1-5, December.
    • Handle: RePEc:nat:natcom:v:12:y:2021:i:1:d:10.1038_s41467-021-26094-1
    DOI: 10.1038/s41467-021-26094-1
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