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Journal of Nanophotonics

Terahertz processes in carbon nanotubes
Author(s): Konstantin G. Batrakov; Oleg V. Kibis; Polina P. Kuzhir; Marcelo Rosenau da Costa; Mikhail E. Portnoi
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Paper Abstract

We investigated several proposals utilizing the unique electronic properties of carbon nanotubes (CNTs) for a broad range of applications to THz optoelectronics, including THz generation by Cerenkov-type emitters based on carbon nanotubes and by hot electrons in quasimetallic nanotubes, frequency multiplication in chiral-nanotube-based superlattices controlled by a transverse electric field, and THz radiation detection and emission by armchair nanotubes in a strong magnetic field. Dispersion equations of the electron beam instability and the threshold conditions of the stimulated emission have been derived and analyzed, demonstrating realizability of the nanotube-based nanoFEL at realistic parameters of nanotubes and electronic beams.

Paper Details

Date Published: 1 May 2010
PDF: 30 pages
J. Nanophoton. 4(1) 041665 doi: 10.1117/1.3436585
Published in: Journal of Nanophotonics Volume 4, Issue 1
Show Author Affiliations
Konstantin G. Batrakov, Belarusian State Univ. (Belarus)
Oleg V. Kibis, Novosibirsk State Technical Univ. (Russian Federation)
Polina P. Kuzhir, Belarusian State Univ. (Belarus)
Marcelo Rosenau da Costa, Univ. de Brasília (Brazil)
Mikhail E. Portnoi, The Univ. of Exeter (United Kingdom)


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