Novel midinfrared plasmonic properties of bilayer graphene

Tony Low, Francisco Guinea, Hugen Yan, Fengnian Xia, Phaedon Avouris

Research output: Contribution to journalArticlepeer-review

42 Scopus citations

Abstract

We study the midinfrared plasmonic response in Bernal-stacked bilayer graphene. Unlike its monolayer counterpart, bilayer graphene accommodates optically active phonon modes and a resonant interband transition at infrared frequencies. They strongly modify the plasmonic properties of bilayer graphene, leading to Fano-type resonances, giant plasmonic enhancement of infrared phonon absorption, a narrow window of optical transparency, and a new plasmonic mode at higher energy than that of the classical plasmon.

Original languageEnglish (US)
Article number116801
JournalPhysical review letters
Volume112
Issue number11
DOIs
StatePublished - Mar 18 2014

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