Surface plasmon modes in self-biased coupled graphene-coated wires

D. Correas-Serrano; A. Alvarez-Melcon; Juan Sebastian Gomez Diaz; A. Alu

doi:10.1109/APS.2015.7305208

Surface plasmon modes in self-biased coupled graphene-coated wires

D. Correas-Serrano, A. Alvarez-Melcon, Juan Sebastian Gomez Diaz, A. Alu

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

Plasmonic modes supported by a pair of self-biased coupled graphene-coated wires (GCW) are studied in detail. The proposed biasing structure enables the reconfiguration of the guided surface waves without additional gating electrodes, inducing a spatially variant conductivity that is calculated analytically. The eigenmode study of the structure reveals the presence of two fundamental modes with odd and even symmetry, which concentrate the fields in the gap between the wires and in the outer perimeter of the wires, respectively. The reconfigurable multimode behaviour and strong field enhancement induced by this structure may enable efficient light harvesting and nanofocusing in THz sensing systems.

Original language	English (US)
Title of host publication	2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	1638-1639
Number of pages	2
Volume	2015-October
ISBN (Electronic)	9781479978151
DOIs	https://doi.org/10.1109/APS.2015.7305208
State	Published - Oct 22 2015
Externally published	Yes
Event	IEEE Antennas and Propagation Society International Symposium, APS 2015 - Vancouver, Canada Duration: Jul 19 2015 → Jul 24 2015

Other

Other	IEEE Antennas and Propagation Society International Symposium, APS 2015
Country/Territory	Canada
City	Vancouver
Period	7/19/15 → 7/24/15

ASJC Scopus subject areas

Electrical and Electronic Engineering

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10.1109/APS.2015.7305208

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Correas-Serrano, D., Alvarez-Melcon, A., Gomez Diaz, J. S., & Alu, A. (2015). Surface plasmon modes in self-biased coupled graphene-coated wires. In 2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings (Vol. 2015-October, pp. 1638-1639). [7305208] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/APS.2015.7305208

Surface plasmon modes in self-biased coupled graphene-coated wires. / Correas-Serrano, D.; Alvarez-Melcon, A.; Gomez Diaz, Juan Sebastian; Alu, A.

2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings. Vol. 2015-October Institute of Electrical and Electronics Engineers Inc., 2015. p. 1638-1639 7305208.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Correas-Serrano, D, Alvarez-Melcon, A, Gomez Diaz, JS & Alu, A 2015, Surface plasmon modes in self-biased coupled graphene-coated wires. in 2015 IEEE Antennas and Propagation Society International Symposium, APS 2015 - Proceedings. vol. 2015-October, 7305208, Institute of Electrical and Electronics Engineers Inc., pp. 1638-1639, IEEE Antennas and Propagation Society International Symposium, APS 2015, Vancouver, Canada, 7/19/15. https://doi.org/10.1109/APS.2015.7305208

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AB - Plasmonic modes supported by a pair of self-biased coupled graphene-coated wires (GCW) are studied in detail. The proposed biasing structure enables the reconfiguration of the guided surface waves without additional gating electrodes, inducing a spatially variant conductivity that is calculated analytically. The eigenmode study of the structure reveals the presence of two fundamental modes with odd and even symmetry, which concentrate the fields in the gap between the wires and in the outer perimeter of the wires, respectively. The reconfigurable multimode behaviour and strong field enhancement induced by this structure may enable efficient light harvesting and nanofocusing in THz sensing systems.

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Surface plasmon modes in self-biased coupled graphene-coated wires

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