Nonreciprocal Graphene Devices and Antennas Based on Spatiotemporal Modulation

D. Correas-Serrano; J. S. Gomez-Diaz; D. L. Sounas; Y. Hadad; A. Alvarez-Melcon; A. Alu

doi:10.1109/LAWP.2015.2510818

Nonreciprocal Graphene Devices and Antennas Based on Spatiotemporal Modulation

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

Research output: Contribution to journal › Article › peer-review

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 language	English
Article number	7361966
Pages (from-to)	1529-1533
Number of pages	5
Journal	IEEE Antennas and Wireless Propagation Letters
Volume	15
DOIs	https://doi.org/10.1109/LAWP.2015.2510818
State	Published - 2016
Externally published	Yes

Keywords

Isolators
leaky-wave antennas
nonreciprocity
spatiotemporal modulation
surface plasmons
waveguides

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10.1109/LAWP.2015.2510818

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title = "Nonreciprocal Graphene Devices and Antennas Based on Spatiotemporal Modulation",

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.",

keywords = "Isolators, leaky-wave antennas, nonreciprocity, spatiotemporal modulation, surface plasmons, waveguides",

author = "D. Correas-Serrano and Gomez-Diaz, {J. S.} and Sounas, {D. L.} and Y. Hadad and A. Alvarez-Melcon and A. Alu",

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AU - Correas-Serrano, D.

AU - Gomez-Diaz, J. S.

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AU - Hadad, Y.

AU - Alvarez-Melcon, A.

AU - Alu, A.

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KW - leaky-wave antennas

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Nonreciprocal Graphene Devices and Antennas Based on Spatiotemporal Modulation

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Keywords

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