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Plasmonic Antenna Resonance Pinning and Suppression of Near-Field Coupling from Epsilon-Near-Zero Substrate

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Abstract

The resonance wavelength of single gold nanorods patterned on an epsilon-near-zero substrate is observed to be independent of antenna length. Additionally, the near-field coupling between dimer antennas is suppressed at the epsilon-near-zero wavelength.

© 2017 Optical Society of America

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