The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
High-Contrast Terahertz Wave Modulation by Gated Graphene Enhanced by Extraordinary Transmission through Ring Apertures
Abstract
Gate-controllable transmission of terahertz (THz) radiation makes graphene a promising material for making high-speed THz wave modulators. However, to date, graphene-based THz modulators have exhibited only small on/off ratios due to small THz absorption in single-layer graphene. Here we demonstrate a ∼50% amplitude modulation of THz waves with gated single-layer graphene by the use of extraordinary transmission through metallic ring apertures placed right above the graphene layer. The extraordinary transmission induced ∼7 times near-filed enhancement of THz absorption in graphene. These results promise complementary metal-oxide-semiconductor compatible THz modulators with tailored operation frequencies, large on/off ratios, and high speeds, ideal for applications in THz communications, imaging, and sensing.
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Cites
The electronic properties of graphene
Castro Neto, A. H., Guinea, F., Peres, N. M. R., Novoselov, K. S., & Geim, A. K. (2009) · Reviews of Modern Physics · doi:10.1103/revmodphys.81.109 · Cited by 24,803
Cited by
Spatiotemporal light control with active metasurfaces
Shaltout, A. M., Shalaev, V. M., & Brongersma, M. L. (2019) · Science · doi:10.1126/science.aat3100 · Cited by 1,020
Terahertz Modulator Based on Vertically Coupled Fano Metamaterial
Tran, T. A. P., & Bolivar, P. H. (2018) · IEEE Transactions on Terahertz Science and Technology · doi:10.1109/tthz.2018.2851919 · Cited by 17
Metadata
- Authors
- Gao, W., Shu, J., Reichel, K., Nickel, D. V., He, X., Shi, G., Vajtai, R., Ajayan, P. M., Kono, J., Mittleman, D. M., & Xu, Q.
- Venue
- Nano Letters
- Publisher
- American Chemical Society (ACS)
- Published
- 2014-02-10
- Volume
- 14
- Issue
- 3
- Pages
- 1242-1248
- ISSN
- 1530-6984 (ISSN-L)
- 1530-6992
- OpenAlex
- W2331054311
- Cited by
- 240
- References
- 1
- FWCI
- 16.80
- Type
- journal article
- Language
- en
- Open access
- closed
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