Journal
PHYSICS LETTERS A
Volume 379, Issue 30-31, Pages 1791-1795Publisher
ELSEVIER
DOI: 10.1016/j.physleta.2015.05.011
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Funding
- Research Project for Basic & Fore-front Technology of Henan Province, China [132300410301]
- Key Research Project for Science and Technology of the Education Department of Henan Province, China [158140007]
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We theoretically investigate optical properties of a plasmonic metasurface consisting of a dipolar wire as the bright antenna stacked above a quadrupolar wire as the dark antenna. It is demonstrated that by adjusting the lateral displacement between the two resonators, the spectral feature of the metasurface can be evolved from the plasmonic electromagnetically-induced transparency to electromagnetically-induced absorption. The extracted physical parameters based on the two-coupled-oscillator model reveal that the near-field coupling strength plays a key role for the transition behavior in the plasmonic metasurface. (C) 2015 Elsevier B.V. All rights reserved.
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