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Edge and waveguide terahertz surface plasmon modes in graphene microribbons
Open accessAbstract
Surface plasmon modes supported by graphene ribbon waveguides are studied and classified. The properties of both modes with the field concentration within the ribbon area (waveguiding modes) and on the edges (edge modes) are discussed. The waveguide and edge modes are shown to be separated from each other by a gap in wave numbers. The even-parity hybridized edge mode results to be the fundamental electromagnetic mode of the ribbon, possessing also the lowest losses. All of the plasmonic modes in the ribbons have an optimum frequency, at which the absorption losses are minimum, due to compromise between the plasmon confinement and the decrease of the group velocity close to the modal cutoff. The presented results show that the diffraction limit in graphene ribbons can be surpassed.
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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
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Cited by
Optical nano-imaging of gate-tunable graphene plasmons
Chen, J., Badioli, M., Alonso-González, P., Thongrattanasiri, S., Huth, F., Osmond, J., Spasenović, M., Centeno, A., Pesquera, A., Godignon, P., et al. (2012) · Nature · doi:10.1038/nature11254 · Cited by 2,107
Graphene Plasmonics: Challenges and Opportunities
García de Abajo, F. J. (2014) · ACS Photonics · doi:10.1021/ph400147y · Cited by 1,254
Graphene Plasmon Waveguiding and Hybridization in Individual and Paired Nanoribbons
Christensen, J., Manjavacas, A., Thongrattanasiri, S., Koppens, F. H. L., & García de Abajo, F. J. (2012) · ACS Nano · doi:10.1021/nn2037626 · Cited by 710
Metadata
- Authors
- Nikitin, A. Y., Guinea, F., García-Vidal, F. J., & Martín-Moreno, L.
- Venue
- Physical Review B
- Publisher
- American Physical Society (APS)
- Published
- 2011-10-24
- Volume
- 84
- Issue
- 16
- ISSN
- 1098-0121 (ISSN-L)
- 1550-235X
- OpenAlex
- W2064734217
- Cited by
- 523
- References
- 1
- FWCI
- 26.07
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Nikitin, A. Y., Guinea, F., García-Vidal, F. J., & Martín-Moreno, L. (2011). Edge and waveguide terahertz surface plasmon modes in graphene microribbons. Physical Review B. https://doi.org/10.1103/physrevb.84.161407
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