Far-Infrared Graphene Plasmonic Crystals for Plasmonic Band Engineering
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Kong_Far-infared.pdf
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Author(s)
Yeung, Kitty Y. M.
Chee, Jingyee
Yoon, Hosang
Song, Yi
Kong, Jing
Ham, Donhee
Date Issued
March 2014
Journal
Nano Letters
Publisher
American Chemical Society (ACS)
Citation
Yeung, Kitty Y. M., Jingyee Chee, Hosang Yoon, Yi Song, Jing Kong, and Donhee Ham. “Far-Infrared Graphene Plasmonic Crystals for Plasmonic Band Engineering.” Nano Lett. 14, no. 5 (May 14, 2014): 2479–2484. © 2014 American Chemical Society
Version
Final published version
Abstract
We introduce far-infrared graphene plasmonic crystals. Periodic structural perturbation—in a proof-of-concept form of hexagonal lattice of apertures—of a continuous graphene medium alters delocalized plasmonic dynamics, creating plasmonic bands in a manner akin to photonic crystals. Fourier transform infrared spectroscopy demonstrates band formation, where far-infrared irradiation excites a unique set of plasmonic bands selected by phase matching and symmetry-based selection rules. This band engineering may lead to a new class of graphene plasmonic devices.
MIT Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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DOI of Published Version
https://doi.org/10.1021/nl500158y
