Deep UV Silicon Polaritonic Metasurfaces for Enhancing Biomolecule Autofluorescence and Two-Dimensional Material Double-Resonance Raman Scattering

Authors:
  • BLBo-Ray Lee
    Bo-Ray Lee
  • MCMao Feng Chiang
    Mao Feng Chiang
  • PHPei Ying Ho
    Pei Ying Ho
  • KCKuan-Heng Chen
    Kuan-Heng Chen
  • JLJia-Hua Lee
    Jia-Hua Lee
  • PHPo Hsiang Hsu
    Po Hsiang Hsu
  • YPYu Chieh Peng
    Yu Chieh Peng
  • JHJun-Yi Hou
    Jun-Yi Hou
  • SCShih-Chieh Chen
    Shih-Chieh Chen
  • QLQian-Yo Lee
    Qian-Yo Lee
  • CCChun-Hao Chang
    Chun-Hao Chang
  • BLBor-Ran Li
    Bor-Ran Li
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Abstract
High-performance DUV spectroscopy drives advancements in biomedical research, clinical diagnosis, and material science. Existing DUV resonant nanostructures face instability and photoluminescent noise challenges. We propose robust Si metasurfaces leveraging polaritonic resonances, a unique property driven by interband transitions, for enhanced nanophotonic sensing. Our polaritonic Kerker-type void metasurface enables double-resonance Raman scattering to analyze 2D semiconductors, improves biomolecule autofluorescence, and offers superior stability. This scalable platform unlocks versatile applications in interdisciplinary DUV spectroscopy and emerging nanomaterials research.
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