2007
DOI: 10.1209/0295-5075/79/27002
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Abstract: 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.In the past two years a great deal of attention has been attracted by a recently di… Show more

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Cited by 422 publications
(531 citation statements)
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“…We also note that result (19) differs by a factor of 3 from the result for the same quantity computed by Mikhailov [19]. This difference exists, because Mikhailov treatment does not permit one to study the regime of ωτ 1, since by construction it assumes that the observation time is much smaller than τ .…”
Section: B Monolayer Graphenementioning
confidence: 82%
“…We also note that result (19) differs by a factor of 3 from the result for the same quantity computed by Mikhailov [19]. This difference exists, because Mikhailov treatment does not permit one to study the regime of ωτ 1, since by construction it assumes that the observation time is much smaller than τ .…”
Section: B Monolayer Graphenementioning
confidence: 82%
“…Calculations suggest that nonlinear frequency generation in graphene (e.g. harmonics of input light) should be possible for sufficiently high external electric field (> 100V /cm) 139 . Second harmonic generation (SHG) from a 150fs laser at 800nm was reported for a graphene film 140 .…”
Section: Optical Frequency Convertersmentioning
confidence: 99%
“…12-17 For example, it has been predicted that the response of Dirac fermions to an applied AC electric field of frequency ω would automatically contain all odd harmonics of (2n+1)ω, where n is an integer, implying extremely high nonlinearity. 13,14 Furthermore, creation of electrons and holes through interband optical pumping is expected to lead to population inversion near the Dirac point, resulting in negative σ(ω), or gain, in the THz to MIR range. 12,17 While initial experimental investigations on graphene have concentrated on DC characteristics, these recent theoretical studies have instigated a flurry of new experimental activities to uncover unusual AC properties.…”
Section: Abstract: Graphene Fermi Level Terahertz Dynamics Infrarementioning
confidence: 99%