Active spatial control of terahertz plasmons in graphene

Ngoc Han Tu; Katsumasa Yoshioka; Satoshi Sasaki; Makoto Takamura; Koji Muraki; Norio Kumada

doi:10.1038/s43246-019-0002-9

Communications Materials (Feb 2020)

Active spatial control of terahertz plasmons in graphene

Ngoc Han Tu,
Katsumasa Yoshioka,
Satoshi Sasaki,
Makoto Takamura,
Koji Muraki,
Norio Kumada

Affiliations

Ngoc Han Tu: NTT Basic Research Laboratories, NTT Corporation
Katsumasa Yoshioka: NTT Basic Research Laboratories, NTT Corporation
Satoshi Sasaki: NTT Basic Research Laboratories, NTT Corporation
Makoto Takamura: NTT Basic Research Laboratories, NTT Corporation
Koji Muraki: NTT Basic Research Laboratories, NTT Corporation
Norio Kumada: NTT Basic Research Laboratories, NTT Corporation

DOI: https://doi.org/10.1038/s43246-019-0002-9
Journal volume & issue: Vol. 1, no. 1
pp. 1 – 6

Abstract

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Controlling spatial conductivity in graphene is important for plasmonic devices, yet conductivity patterning typically changes the electromagnetic environment. Here, teraherz plasmons in graphene are confined to specific regions via a patterned zinc oxide gate, reducing electromagnetic coupling.

Published in Communications Materials

ISSN: 2662-4443 (Online)
Publisher: Nature Portfolio
Country of publisher: United States
LCC subjects: Technology: Electrical engineering. Electronics. Nuclear engineering: Materials of engineering and construction. Mechanics of materials
Website: https://www.nature.com/commsmat/

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