期刊
PROCEEDINGS OF THE IEEE
卷 101, 期 7, 页码 1689-1704出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JPROC.2013.2260115
关键词
Graphene; nanophotonics; plasmons; propagation losses
资金
- Croatian Ministry of Science [119-0000000-1015]
- Unity through Knowledge Fund [93/11]
- MIT S3TEC Energy Research Frontier Center of the Department of Energy [DE-SC0001299]
- Army Research Office through the Institute for Soldier Nanotechnologies [W911NF-07-D0004]
- MRSEC program of the National Science Foundation [DMR-0819762]
Plasmons in graphene have intriguing fundamental properties and hold great potential for applications. They enable strong confinement of electromagnetic energy at subwavelength scales, which can be tuned and controlled via gate voltage, providing an advantage for graphene's plasmons over surface plasmons (SPs) on a metal-dielectric interface. They have been described for a large span of frequencies from terahertz up to infrared and even in the visible. We provide a critical review of the current knowledge of graphene plasmon properties (dispersion and linewidth) with particular emphasis on plasmonic losses and the competition between different decay channels, which are not yet fully understood. Plasmons in graphene provide an insight into interesting many-body effects such as those arising from the electron-phonon interaction and electron-electron interactions, including hybrid plasmon-phonon collective excitations (either with intrinsic or substrate phonons) and plasmarons. We provide a comparison of SPs on a metal-dielectric interface with plasmons in graphene and 2-D metallic monolayers. We finally outline the potential for graphene's plasmons for applications.
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