Nonreciprocal Graphene Devices and Antennas Based on Spatiotemporal Modulation

D. Correas-Serrano, Juan Sebastian Gomez Diaz, D. L. Sounas, Y. Hadad, A. Alvarez-Melcon, A. Alu

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

A new class of magnet-free nonreciprocal plasmonic devices operating at terahertz (THz) frequencies is introduced based on the spatiotemporal modulation of graphene's conductivity. The proposed components are based on graphene parallel-plate waveguides with double-gated electrodes, which allow independent manipulation of graphene properties in both space and time. We employ this structure for the design of plasmonic isolators and leaky-wave antennas at THz frequencies and study the effect of graphene and modulation parameters on their response. We envision that this technology may pave the way towards silicon-compatible fully planar nonreciprocal plasmonic components and antennas with enhanced functionalities at THz, with important applications in biosensing, imaging, and intra/interchip communications.

Original languageEnglish (US)
Article number7361966
Pages (from-to)1529-1533
Number of pages5
JournalIEEE Antennas and Wireless Propagation Letters
Volume15
DOIs
StatePublished - Jan 1 2016
Externally publishedYes

Fingerprint

Graphene
Modulation
Antennas
Magnets
Waveguides
Imaging techniques
Silicon
Electrodes
Graphene devices
Communication

Keywords

  • Isolators
  • leaky-wave antennas
  • nonreciprocity
  • spatiotemporal modulation
  • surface plasmons
  • waveguides

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Nonreciprocal Graphene Devices and Antennas Based on Spatiotemporal Modulation. / Correas-Serrano, D.; Gomez Diaz, Juan Sebastian; Sounas, D. L.; Hadad, Y.; Alvarez-Melcon, A.; Alu, A.

In: IEEE Antennas and Wireless Propagation Letters, Vol. 15, 7361966, 01.01.2016, p. 1529-1533.

Research output: Contribution to journalArticle

Correas-Serrano, D. ; Gomez Diaz, Juan Sebastian ; Sounas, D. L. ; Hadad, Y. ; Alvarez-Melcon, A. ; Alu, A. / Nonreciprocal Graphene Devices and Antennas Based on Spatiotemporal Modulation. In: IEEE Antennas and Wireless Propagation Letters. 2016 ; Vol. 15. pp. 1529-1533.
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