Journal
JOURNAL OF APPLIED PHYSICS
Volume 116, Issue 10, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4895588
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Funding
- State Key Program for Basic Research of China [2012CB933501]
- National Natural Science Foundation of China [61177051, 11304389, 61404174, 61205087]
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We theoretically demonstrate a polarizer with an electrically controllable polarizing direction in the far infrared range using two orthogonal periodic arrays of graphene ribbons, which have different widths and are supported on a dielectric film placed on a thick piece of metal. The operation mechanism originates from the polarization-dependent resonant absorption of the two orthogonal graphene ribbons, which can be respectively controlled with different external bias voltages. The operation wavelength can be expanded to terahertz (THz) radiation. (C) 2014 AIP Publishing LLC.
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