Nature Communications (Dec 2018)

Near-zero effective impedance with finite phase velocity for sensing and actuation enhancement by resonator pairing

  • Kiyean Kim,
  • Chung Il Park,
  • Hyuk Lee,
  • Yoon Young Kim

DOI
https://doi.org/10.1038/s41467-018-07697-7
Journal volume & issue
Vol. 9, no. 1
pp. 1 – 10

Abstract

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In spite of extensive studies on zero-index metamaterials, the realization of zero impedance with finite phase velocity has not been explored. Here, the authors show that this extreme case, realized by elaborately-tuned paired resonators, can effectively enhance sensing and actuation.