1 May 2010 Terahertz processes in carbon nanotubes
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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.
Konstantin G. Batrakov, Oleg V. Kibis, Polina P. Kuzhir, Marcelo Rosenau da Costa, Mikhail E. Portnoi, "Terahertz processes in carbon nanotubes," Journal of Nanophotonics 4(1), 041665 (1 May 2010). https://doi.org/10.1117/1.3436585 . Submission:
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