Second Harmonic Light Manipulation with Vertical Split Ring Resonators

Wei Yi Tsai, Tsung Lin Chung, Hui Hsin Hsiao, Jia Wern Chen, Ren Jie Lin, Pin Chieh Wu, Greg Sun, Chih Ming Wang, Hiroaki Misawa, Din Ping Tsai*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

46 Citations (Scopus)


The second harmonic generation (SHG) of vertical and planar split-ring resonators (SRRs) that are broken centro-symmetry configurations at the interface of metal surface and air is investigated. Strong interactions, better electromagnetic field confinements, and less leakage into the substrate for vertical SRRs are found. Experimental results show a 2.6-fold enhancement of SHG nonlinearity, which is in good agreement with simulations and calculations. Demonstrations of 3D metastructures and vertical SRRs with strong SHG nonlinearity majorly result from magnetic dipole and electric quadrupole clearly provides potential applications for photonics and sensing.

Original languageEnglish
Article number1806479
JournalAdvanced Materials
Issue number7
Publication statusPublished - 2019 Feb 15


  • nonlinear plasmonics
  • second harmonic generation
  • vertical split ring resonators (VSRR)

ASJC Scopus subject areas

  • General Materials Science
  • Mechanics of Materials
  • Mechanical Engineering


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