Journal
ACS PHOTONICS
Volume 4, Issue 12, Pages 2989-2999Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acsphotonics.7b00547
Keywords
graphene; plasmons; mid-infrared photonics; terahertz photonics; modulators; photodetectors; spectroscopy
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Funding
- National Science Foundation CAREER Award [ECCS 1552461]
- Office of Naval Research [N000141410565]
- European Union through the ERC Advanced Grant NOVGRAPHENE [290846]
- European Commission under the Graphene Flagship [CNECTICT-604391]
- Div Of Electrical, Commun & Cyber Sys
- Directorate For Engineering [1552461] Funding Source: National Science Foundation
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Graphene plasmonics has recently attracted remarkable attention, with reports of numerous intriguing properties and novel device demonstrations. As a two-dimensional (2-D) semimetal with ultrahigh carrier mobility, graphene can host plasmon waves that exhibit extremely tight spatial confinement, exceptionally long plasmon lifetime, and an electrostatically tunable response in the mid-infrared (mid-IR) and terahertz (THz). These properties render graphene a viable plasmonic material for achieving novel functionalities in various mid-IR to THz photonic systems. From the device perspective, we review the key distinguishing features of graphene plasmons and highlight the latest developments, such as mid-IR and THz tunable infrared sources, modulators, and photodetectors. Finally, we discuss future challenges and new opportunities for graphene plasmonics in infrared photonic systems.
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