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

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

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
Volume31
Issue number7
DOIs
StatePublished - Feb 2019

Keywords

  • nonlinear plasmonics; second harmonic generation; vertical split ring resonators (VSRR)
  • MAGNETIC RESPONSE; GENERATION; METAMATERIALS; RESONANCES; SINGLE

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    Tsai, W-Y., Chung, T. L., Hsiao, H-H., Chen, J-W., Lin, R. J., Wu, P. C., Sun, G., Wang, C-M., Misawa, H., & Tsai, D. P. (2019). Second Harmonic Light Manipulation with Vertical Split Ring Resonators. Advanced Materials, 31(7), [1806479]. https://doi.org/10.1002/adma.201806479