Phys. Rev. A 60, R777–R780 (1999)

Highly efficient high-order harmonic generation by metallic carbon nanotubes

Abstract

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G. Ya. Slepyan¹, S. A. Maksimenko¹, V. P. Kalosha^1,2, J. Herrmann², E. E. B. Campbell³, and I. V. Hertel²
¹Institute for Nuclear Problems, Belarus State University, Bobruiskaya 11, 220050 Minsk, Belarus
²Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie, Max-Born-Straße 2a, D-12489 Berlin, Germany
³Göteborg University and Chalmers University of Technology, S-41296, Göteborg, Sweden

Received 20 April 1999; published in the issue dated August 1999

High-order harmonic generation by metallic carbon nanotubes exposed to an intense ultrashort pulse has been theoretically investigated in the semiclassical approximation. The mechanism of nonlinearity provided by the motion of conduction electrons below the band of optical resonances has been considered. It has been shown that the high density of states of conduction electrons in metallic carbon nanotubes and the specific dispersion law inherent in hexagonal crystalline structure as well as the transverse quantization of the electron momentum result in a uniquely high efficiency of the current conversion to high-order harmonics.

URL:

http://link.aps.org/doi/10.1103/PhysRevA.60.R777

DOI:

10.1103/PhysRevA.60.R777

PACS:

42.65.Ky

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Phys. Rev. A 60, R777–R780 (1999)

Highly efficient high-order harmonic generation by metallic carbon nanotubes