| Issue |
EPL
Volume 79, Number 2, July 2007
|
|
|---|---|---|
| Article Number | 27002 | |
| Number of page(s) | 4 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/79/27002 | |
| Published online | 28 June 2007 | |
Non-linear electromagnetic response of graphene
Institute for Physics, University of Augsburg - D-86135 Augsburg, Germany
Received:
27
April
2007
Accepted:
4
June
2007
It is shown that the massless energy spectrum of electrons and holes in graphene leads to the strongly non-linear electromagnetic response of this system. We predict that the graphene layer, irradiated by electromagnetic waves, emits radiation at higher frequency harmonics and can work as a frequency multiplier. The operating frequency of the graphene frequency multiplier can lie in a broad range from microwaves to the infrared.
PACS: 73.50.Fq – High-field and nonlinear effects / 81.05.Uw – Carbon, diamond, graphite / 78.67.-n – Optical properties of low-dimensional, mesoscopic, and nanoscale materials and structures
© Europhysics Letters Association, 2007
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