Tip-enhanced nanocavities amplify the sum frequency generation

Chun-Chieh Yu; Yuancheng Jing; Wei Xiong

doi:10.1038/s41377-025-01946-3

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Tip-enhanced nanocavities amplify the sum frequency generation

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- Tip-enhanced nanocavities amplify the sum frequency generation
- Light: Science & Applications Vol. 14, Issue 9, Pages: 2373-2375(2025)
- Affiliations：
  
  1.Department of Chemistry, University of California, San Diego, La Jolla, CA 92093, USA
  2.Materials Science and Engineering Program, University of California, San Diego, La Jolla, CA 92093, USA
  3.Department of Electrical and Computer Science Engineering, University of California, San Diego, La Jolla, CA 92093, USA
- Author bio：
  
  Wei Xiong (w2xiong@ucsd.edu)
- Funds：
- DOI：10.1038/s41377-025-01946-3
  CLC：
- Published Online：22 August 2025，
  
  Published：30 September 2025
- Accepted：
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Yu, C. C., Jing, Y. C. & Xiong, W. Tip-enhanced nanocavities amplify the sum frequency generation. Light: Science & Applications, 14, 2373-2375 (2025).
DOI：

Yu, C. C., Jing, Y. C. & Xiong, W. Tip-enhanced nanocavities amplify the sum frequency generation. Light: Science & Applications, 14, 2373-2375 (2025). DOI： 10.1038/s41377-025-01946-3.

摘要

Abstract

Tip-enhanced vibrational sum frequency generation (VSFG) spectroscopy is proposed and demonstrated. Incorporation with the plasmon cavities leads to significant signal amplification—up to 14 orders of magnitude.

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references

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