Far-field excitation of single graphene plasmon cavities with ultracompressed mode volumes
Abstract
The ability to confine light to volumes much smaller than the wavelength produces high electromagnetic fields that can then be exploited in chemical and biological sensing and detection applications. Using silver nanocubes placed on a graphene surface, Epstein et al. developed a single, nanometer-scale acoustic graphene plasmon cavity device that can confine mid-infrared and terahertz radiation with mode volume confinement factors of 5 × 10 –10 . With the response being dependent on the size of the nanocube and electrically tunable, the results demonstrate a powerful platform with which to develop sensors in what has been a challenging wavelength regime where molecular fingerprints reside.
Document Details
- Document Type
- Pub Defense Publication
- Publication Date
- Jun 12, 2020
- Source ID
- 10.1126/science.abb1570
Entities
People
- Avinash Kumar
- David Alcaraz Iranzo
- David R. Smith
- Frank Koppens
- Itai Epstein
- Jean-Paul Hugonin
- Jin-Yong Hong
- Jing Kong
- Nuno M. R. Peres
- Tatiana G Rappoport
- Tymofiy Khodkov
- Varun-varma Pusapati
- Xander M Deputy
- Zhiqin Huang
Organizations
- Air Force Office of Scientific Research
- Barcelona Institute for Science and Technology
- Catalan Institution for Research and Advanced Studies
- Duke University
- Federal University of Rio de Janeiro
- International Iberian Nanotechnology Laboratory
- Massachusetts Institute of Technology
- Paris-Saclay University
- University of Minho