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Enhancement of magnetic dipole emission at yellow light in optical metamaterials

  • Harbin Institute of Technology (Shenzhen)
  • Harbin Institute of Technology Shenzhen
  • Key Laboratory of Micro-Optics and Photonic Technology of Heilongjiang Province

Research output: Contribution to journalArticlepeer-review

Abstract

Here we demonstrate the control of magnetic dipole spontaneous emission at yellow light by magnetic metamaterials. By embedding magnetic dipole into a magnetic metamaterial consisting of arrays of paired silver strips, the radiative emission enhancement and the Purcell factor around 590 nm has been dramatically increased to 110 and 180 respectively. Moreover, the enhancements are found to be robust to variation of dipole's positions and structure geometries, showing nice fabrication tolerance for practical applications.

Original languageEnglish
Pages (from-to)202-206
Number of pages5
JournalOptics Communications
Volume350
DOIs
StatePublished - 1 Sep 2015
Externally publishedYes

Keywords

  • Magnetic dipole emission
  • Metamaterials
  • Photoluminescence
  • Plasmonics
  • Resonance

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