Optical magnetic response in three-dimensional metamaterial of upright plasmonic meta-molecules

W.T. Chen, C.J. Chen, P.C. Wu, S. Sun, L. Zhou, G.-Y. Guo, C.T. Hsiao, K.-Y. Yang, N.I. Zheludev, Din-ping Tsai

Research output: Journal article publicationJournal articleAcademic researchpeer-review

81 Citations (Scopus)

Abstract

We report the first three-dimensional photonic metamaterial, an array of erected U-shape plasmonic gold meta-molecules, that exhibits a profound response to the magnetic field of light incident normal to the array. The metamaterial was fabricated using a double exposure e-beam lithographic process. It was investigated by optical measurements and finite-element simulations, and showed that the magnetic field solely depends on the plasmonic resonance mode showing either enhanced in the centre of the erected U-shape meta-molecule (16 times enhancement) or enhanced around two prongs of erected U-shape meta-molecule (4 times enhancement). © 2011 Optical Society of America.
Original languageEnglish
Pages (from-to)12837-12842
Number of pages6
JournalOptics Express
Volume19
Issue number13
DOIs
Publication statusPublished - 20 Jun 2011
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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