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

Wei Ting Chen, Chen Jung Chen, Pin Chieh Wu, Shulin Sun, Lei Zhou, Guang Yu Guo, Chinh Ting Hsiao, Kuang Yu Yang, Nikolay I. Zheludev, Din Ping Tsai

Research output: Contribution to journalArticlepeer-review

77 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).

Original languageEnglish
Pages (from-to)12837-12842
Number of pages6
JournalOptics Express
Volume19
Issue number13
DOIs
Publication statusPublished - 2011 Jun 20

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics

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