Toroidal dipole response in a multifold doublering metamaterial

Zheng Gao Dong, Peigen Ni, Jie Zhu, Xiaobo Yin, X. Zhang

Research output: Journal article publicationJournal articleAcademic researchpeer-review

97 Citations (Scopus)


The toroidal response is numerically investigated in a multifold double-ring metamaterials at the antibonding magnetic-dipole mode (i.e., antiparallel magnetic dipoles in one double-ring fold). This intriguing toroidal resonance in metamaterials is considered as a result of the magnetoelectric effect due to the broken balance of the electric near-field environment. We demonstrate that the toroidal dipole response in metamaterials can improve the quality factor of the resonance spectrum. In viewing of the design flexibility on the double-ring geometry, such toroidal metamaterials will offer advantages in application potentials of toroidal dipolar moment.
Original languageEnglish
Pages (from-to)13065-13070
Number of pages6
JournalOptics Express
Issue number12
Publication statusPublished - 4 Jun 2012
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics


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