Linear and nonlinear Fano resonance on two-dimensional magnetic metamaterials

H. Liu, Guixin LI*, K. F. Li, S. M. Chen, S. N. Zhu, C. T. Chan, Kok Wai CHEAH

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

32 Citations (Scopus)

Abstract

We demonstrate that both linear and nonlinear Fano resonances can be realized on two dimensional magnetic metamaterials. The Fano resonance comes from the interference between localized magnetic plasmon resonance and propagating surface plasmon polaritons. When studying the linear optical response of the metamaterial structure, this interference phenomenon was observed in the ellipsometric spectrum. By finely tailoring the geometrical parameters of the magnetic metamaterial device, the nonlinear Fano response was tuned to a near-infrared wavelength (1.61-1.8 μm) of femtosecond pump laser, and Fano-type modulation of the third harmonic generation was found and agrees well with our theoretical model.

Original languageEnglish
Article number235437
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume84
Issue number23
DOIs
Publication statusPublished - 22 Dec 2011

Scopus Subject Areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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