期刊
PHYSICAL REVIEW LETTERS
卷 111, 期 23, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.111.237405
关键词
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资金
- Marie Curie ITN NanoCTM
- Campus de Excelencia Internacional (Campus Moncloa UCM-UPM)
- ERC Advanced Grant [290846]
- MICINN (Spain) [FIS2008-00124, FIS2010-21372, TEC2010-19511, FIS2011-23713]
- European Research Council (ERC) [290846] Funding Source: European Research Council (ERC)
We propose a scheme for coupling laser light into graphene plasmons with the help of electrically generated surface acoustic waves. The surface acoustic wave forms a diffraction grating which allows us to excite the long lived phononlike branch of the hybridized graphene plasmon-phonon dispersion with infrared laser light. Our approach avoids patterning the graphene sheet, does not rely on complicated optical near-field techniques, and allows us to electrically switch the coupling between far-field radiation and propagating graphene plasmons.
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