Journal
SCIENCE
Volume 344, Issue 6190, Pages 1369-1373Publisher
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.1253202
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Funding
- European Union through ERC
- NMP (HINTS)
- NMP (Grafol)
- Marie Curie Career Integration Grant (ITAMOSCINOM)
- Marie Curie Career Integration Grant (GRANOP)
- European Commission [CNECT-ICT-604391]
- Spanish Ministry of Economy and Competitiveness [MAT2012-36580, MAT2012-37638]
- Basque Government [PI2011-1]
- Fundacio Cellex Barcelona
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Graphene plasmons promise unique possibilities for controlling light in nanoscale devices and for merging optics with electronics. We developed a versatile platform technology based on resonant optical antennas and conductivity patterns for launching and control of propagating graphene plasmons, an essential step for the development of graphene plasmonic circuits. We launched and focused infrared graphene plasmons with geometrically tailored antennas and observed how they refracted when passing through a two-dimensional conductivity pattern, here a prism-shaped bilayer. To that end, we directly mapped the graphene plasmon wavefronts by means of an imaging method that will be useful in testing future design concepts for nanoscale graphene plasmonic circuits and devices.
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