4.6 Article

Highly-dispersive electromagnetic induced transparency in planar symmetric metamaterials

Journal

OPTICS EXPRESS
Volume 20, Issue 16, Pages 17581-17590

Publisher

OPTICAL SOC AMER
DOI: 10.1364/OE.20.017581

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Funding

  1. Natural Science Foundation of Heilongjiang Province in China [LC201006]
  2. National Science Foundation of China [11104043]
  3. China Postdoctoral Science Foundation [2012M511171]
  4. Special Foundation for Harbin Young Scientists [2012RFLXG030]

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We propose, design and experimentally demonstrate highly-dispersive electromagnetically induced transparency (EIT) in planar symmetric metamaterials actively switched and controlled by angles of incidence. Full-wave simulation and measurement results show EIT phenomena, trapped-mode excitations and the associated local field enhancement of two symmetric metamaterials consisting of symmetrically split rings (SSR) and a fishscale (FS) metamaterial pattern, respectively, strongly depend on angles of incidence. The FS metamaterial shows much broader spectral splitting than the SSR metamaterial due to the surface current distribution variation. (C) 2012 Optical Society of America

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