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Abstract
AB-stacked bilayer graphene with a tunable electronic band gap in excess of the optical phonon energy presents an interesting active medium, and we consider such a theoretical possibility in this Rapid Communication. We argue the possibility of a highly resonant optical gain in the vicinity of the asymmetry gap. Associated with this resonant gain are strongly amplified plasmons, plasmons with negative group velocity and superluminal effects, as well as directional leaky modes.
Original language | English (US) |
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Article number | 041403 |
Journal | Physical Review B |
Volume | 98 |
Issue number | 4 |
DOIs | |
State | Published - Jul 13 2018 |
Bibliographical note
Publisher Copyright:© 2018 American Physical Society.
How much support was provided by MRSEC?
- Partial
Reporting period for MRSEC
- Period 5