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Jun, Young Chul
Laboratory of Nanophotonics & Metamaterials (NanoMeta)
Research Interests
  • Nanophotonics, plasmonics, metamaterials, 4D printing, programmable matter, smart materials

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Active tuning of mid-infrared metamaterials by electrical control of carrier densities

Cited 15 times inthomson ciCited 13 times inthomson ci
Title
Active tuning of mid-infrared metamaterials by electrical control of carrier densities
Author
Jun, Young ChulGonzales, EdwardReno, John L.Shaner, Eric A.Gabbay, AlonBrener, Igal
Keywords
NEAR-INFRARED METAMATERIALS; OPTICAL METAMATERIALS; GAAS; TRANSMISSION; PASSIVATION; MODULATION; INDEX
Issue Date
2012-01
Publisher
OPTICAL SOC AMER
Citation
OPTICS EXPRESS, v.20, no.2, pp.1903 - 1911
Abstract
We demonstrate electrically-controlled active tuning of mid-infrared metamaterial resonances using depletion-type devices. The depletion width in an n-doped GaAs epilayer changes with an electric bias, inducing a change of the permittivity of the substrate and leading to frequency tuning of the resonance. We first present our detailed theoretical analysis and then explain experimental data of bias-dependent metamaterial transmission spectra. This electrical tuning is generally applicable to a variety of infrared metamaterials and plasmonic structures, which can find novel applications in chip-scale active infrared devices. (C)2012 Optical Society of Americ
URI
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DOI
10.1364/OE.20.001903
ISSN
1094-4087
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MSE_Journal Papers
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