A new type of optical activity in a toroidal metamaterial

T. A. Raybould, V. A. Fedotov, N. Papsimakis, I. Youngs, W. T. Chen, D. P. Tsai, N. I. Zheludev

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review


We demonstrate experimentally and numerically the first ever observation of optical activity in a chiral metamaterial that is underpinned by the exotic resonant combination of an electric quadrupole and the elusive toroidal dipole.

Original languageEnglish
Title of host publication2015 Conference on Lasers and Electro-Optics, CLEO 2015
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781557529688
Publication statusPublished - 10 Aug 2015
Externally publishedYes
EventConference on Lasers and Electro-Optics, CLEO 2015 - San Jose, United States
Duration: 10 May 201515 May 2015

Publication series

NameConference on Lasers and Electro-Optics Europe - Technical Digest


ConferenceConference on Lasers and Electro-Optics, CLEO 2015
Country/TerritoryUnited States
CitySan Jose


  • Biomedical optical imaging
  • Magnetic materials
  • Metamaterials
  • Optical device fabrication
  • Optical imaging
  • Optical polarization
  • Optical ring resonators

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Electronic, Optical and Magnetic Materials


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