High-order harmonic generation in graphene flakes exposed to circularly polarized femtosecond pulses

We calculate high-order harmonic spectra from graphene based on the strong-field approximation using circularly polarized infrared laser pulses. We allow for the plane of polarization to be tilted with respect to the two-dimensional graphene sheet, demonstrating that the structure of the harmonic sp...

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Veröffentlicht in:	Journal of physics. B, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2014-03, Vol.47 (6), p.65401-6
Hauptverfasser:	Simonsen, S I, Sørngård, S A, Førre, M, Hansen, J P
Format:	Artikel
Sprache:	eng
Schlagworte:	Circularity Exact sciences and technology femtosecond pulses Flakes Frequency conversion harmonic generation, including high-order harmonic generation Fundamental areas of phenomenology (including applications) Graphene harmonic generation Harmonic generations Harmonics laser interactions Mathematical analysis Molecular structure Nonlinear optics Optics Physics Spectra
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Zusammenfassung:	We calculate high-order harmonic spectra from graphene based on the strong-field approximation using circularly polarized infrared laser pulses. We allow for the plane of polarization to be tilted with respect to the two-dimensional graphene sheet, demonstrating that the structure of the harmonic spectra strongly depends on the tilt angle.
ISSN:	0953-4075 1361-6455
DOI:	10.1088/0953-4075/47/6/065401