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An ultrafast diamond nonlinear photonic sensor

Author

Listed:
  • Daisuke Sato

    (University of Tsukuba)

  • Junjie Guo

    (University of Tsukuba)

  • Takuto Ichikawa

    (University of Tsukuba)

  • Dwi Prananto

    (Japan Advanced Institute of Science and Technology)

  • Toshu An

    (Japan Advanced Institute of Science and Technology)

  • Paul Fons

    (Keio University)

  • Shoji Yoshida

    (University of Tsukuba)

  • Hidemi Shigekawa

    (University of Tsukuba)

  • Muneaki Hase

    (University of Tsukuba)

Abstract

The integration of light and materials technology is key to the creation of innovative sensing technologies. Sensing of electric and magnetic fields, and temperature with high spatio-temporal resolution is a critical task for the development of the next-generation of nanometer-scale quantum devices. Color centers in diamonds are attractive for potential applications owing to their characteristic quantum states, although they require metallic contacts for the introduction of external microwaves. Here, we build an ultrafast diamond nonlinear photonic sensor to assess the surface electric field; an electro-optic sensor based on nitrogen-vacancy centers in a diamond nanotip breaks the spatial-limit of conventional pump-probe techniques. The 10-fs near-infrared optical pulse modulates the surface electric field of a 2D transition metal dichalcogenide and we monitor the dynamics of the local electric field at nanometer-femtosecond spatio-temporal resolutions. Our nanoscopic technique will provide new horizons to the sensing of advanced nano materials.

Suggested Citation

  • Daisuke Sato & Junjie Guo & Takuto Ichikawa & Dwi Prananto & Toshu An & Paul Fons & Shoji Yoshida & Hidemi Shigekawa & Muneaki Hase, 2025. "An ultrafast diamond nonlinear photonic sensor," Nature Communications, Nature, vol. 16(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:16:y:2025:i:1:d:10.1038_s41467-025-63936-8
    DOI: 10.1038/s41467-025-63936-8
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