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  Electromechanically Tunable Suspended Optical Nanoantenna

Chen, K., Razinskas, G., Feichtner, T., Grossmann, S., Christiansen, S., & Hecht, B. (2016). Electromechanically Tunable Suspended Optical Nanoantenna. NANO LETTERS, 16(4), 2680-2685. doi:10.1021/acs.nanolett.6b00323.

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 Creators:
Chen, Kai1, Author
Razinskas, Gary1, Author
Feichtner, Thorsten1, Author
Grossmann, Swen1, Author
Christiansen, Silke2, 3, Author              
Hecht, Bert1, Author
Affiliations:
1external, ou_persistent22              
2Christiansen Research Group, Research Groups, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364716              
3Micro- & Nanostructuring, Technology Development and Service Units, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364725              

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Free keywords: SURFACE-PLASMON POLARITONS; ANTENNAS; RESONANCES; GRAPHENE; NANOSTRUCTURES; METAMATERIALS; CRYSTALS; LIGHTChemistry; Science & Technology - Other Topics; Materials Science; Physics; Suspended optical nanoantenna (SONA); nanoelectrometer; Coulomb force; nano-optomechanics; nanoelectromechanical systems (NEMS);
 Abstract: Coupling mechanical degrees of freedom with plasmonic resonances has potential applications in optomechanics, sensing, and active plasmonics. Here we demonstrate a suspended two-wire plasmonic nanoantenna acting like a nanoelectrometer. The antenna wires are supported and electrically connected via thin leads without disturbing the antenna resonance. As a voltage is applied, equal charges are induced on both antenna wires. The resulting equilibrium between the repulsive Coulomb force and the restoring elastic bending force enables us to precisely control the gap size. As a result the resonance wavelength and the field enhancement of the suspended optical nanoantenna can be reversibly tuned. Our experiments highlight the potential to realize large bandwidth optical nanoelectromechanical systems.

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Language(s): eng - English
 Dates: 2016
 Publication Status: Published in print
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Degree: -

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Title: NANO LETTERS
Source Genre: Journal
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Publ. Info: 1155 16TH ST, NW, WASHINGTON, DC 20036 USA : AMER CHEMICAL SOC
Pages: - Volume / Issue: 16 (4) Sequence Number: - Start / End Page: 2680 - 2685 Identifier: ISSN: 1530-6984