Terahertz harmonic generation in graphene

Plasmon-assisted high-harmonic generation in graphene

High-harmonic generation in condensed-matter systems is both a source of fundamental insight into quantum electron motion and a promising candidate to realize compact ultraviolet and ultrafast light sources. While graphene is anticipated to efficiently generate high-order harmonics due to its anharmonic charge-carrier dispersion, experiments performed on extended samples using THz illumination ...

Second-harmonic generation in subwavelength graphene waveguides

We suggest a novel approach for generating the second-harmonic radiation in subwavelength graphene waveguides. We demonstrate that the quadratic phase matching between plasmonic guided modes of different symmetries can be achieved in a planar double-layer graphene structure when conductivity of one of the layers becomes spatially modulated. We predict theoretically that, owing to graphene nonlo...

Continuous third harmonic generation in a terahertz driven modulated nanowire

Second-harmonic generation by a graphene nanoparticle

Daria A. Smirnova,1 Ilya V. Shadrivov,1 Andrey E. Miroshnichenko,1 Alexander I. Smirnov,2,3 and Yuri S. Kivshar1 1Nonlinear Physics Center, Research School of Physics and Engineering, Australian National University, Canberra ACT 0200, Australia 2Lobachevsky State University, Nizhny Novgorod 603950, Russia 3Institute of Applied Physics, Russian Academy of Sciences, Nizhny Novgorod 603950, Russia...

Tunable terahertz frequency comb generation using time-dependent graphene sheets

Vincent Ginis,1 Philippe Tassin,2,* Thomas Koschny,3 and Costas M. Soukoulis3,4 1Applied Physics Research Group (APHY), Vrije Universiteit Brussel, Pleinlaan 2, B-1050 Brussel, Belgium 2Department of Applied Physics, Chalmers University, SE-412 96 Göteborg, Sweden 3Ames Laboratory—U.S. DOE and Department of Physics and Astronomy, Iowa State University, Ames, Iowa 50011, USA 4Institute of Electr...