Journal
NANO LETTERS
Volume 13, Issue 8, Pages 3698-3702Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl401591k
Keywords
Active plasmonics; graphene surface plasmon polaritons; infrared optoelectronics; nanophotonics
Categories
Funding
- Air Force Office of Scientific Research (AFOSR) [FA9550-12-1-0261]
- Department of Defense (DOD) [W911NF-13-1-0140]
- National Science Foundation [OISE-0530220, EEC-0540832]
- Department of Energy BES Program [DE-FG02-06ER46308]
- Robert A. Welch Foundation [C-1509]
- STARnet, a Semiconductor Research Corporation program
- MARCO
- DARPA
- U.S. Department of Energy (DOE) [DE-FG02-06ER46308] Funding Source: U.S. Department of Energy (DOE)
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We demonstrate the excitation and gate control of highly confined surface plasmon polaritons propagating through monolayer graphene using a silicon diffractive grating. The normal-incidence infrared transmission spectra exhibit pronounced dips due to guided-wave resonances, whose frequencies can be tuned over a range of similar to 80 cm(-1) by applying a gate voltage. This novel structure provides a way to excite and actively control plasmonic waves in graphene and is thus an important building block of graphene plasmonic systems.
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