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Title: Collective coherence in nearest neighbor coupled metamaterials: A metasurface ruler equation
Authors: Xu, Ningning
Singh, Ranjan
Zhang, Weili
Keywords: Physics and Applied Physics
Issue Date: 2015
Source: Xu, N., Singh, R., & Zhang, W. (2015). Collective coherence in nearest neighbor coupled metamaterials: A metasurface ruler equation. Journal of Applied Physics, 118, 163102-.
Series/Report no.: Journal of Applied Physics
Abstract: The collective coherent interactions in a meta-atom lattice are the key to myriad applications and functionalities offered by metasurfaces. We demonstrate a collective coherent response of the nearest neighbor coupled split-ring resonators whose resonance shift decays exponentially in the strong near-field coupled regime. This occurs due to the dominant magnetic coupling between the nearest neighbors which leads to the decay of the electromagnetic near fields. Based on the size scaling behavior of the different periodicity metasurfaces, we identified a collective coherent metasurface ruler equation. From the coherent behavior, we also show that the near-field coupling in a metasurface lattice exists even when the periodicity exceeds the resonator size. The identification of a universal coherence in metasurfaces and their scaling behavior would enable the design of novel metadevices whose spectral tuning response based on near-field effects could be calibrated across microwave, terahertz, infrared, and the optical parts of the electromagnetic spectrum.
ISSN: 0021-8979
DOI: 10.1063/1.4934256
Schools: School of Physical and Mathematical Sciences 
Rights: © 2015 American Institute of Physics. This paper was published in Journal of Applied Physics and is made available as an electronic reprint (preprint) with permission of American Institute of Physics. The published version is available at: []. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
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