Terahertz processes in carbon nanotubes

被引：58

作者：

Batrakov, Konstantin G. ^{[1
]}

Kibis, Oleg V. ^{[2
]}

Kuzhir, Polina P. ^{[1
]}

da Costa, Marcelo Rosenau ^{[3
]}

Portnoi, Mikhail E. ^{[4
]}

机构：

[1] Belarusian State Univ, Inst Nucl Problems, Minsk 220030, BELARUS

[2] Novosibirsk State Tech Univ, Dept Appl & Theoret Phys, Novosibirsk 630092, Russia

[3] Univ Brasilia, Int Ctr Condensed Matter Phys, BR-70904970 Brasilia, DF, Brazil

[4] Univ Exeter, Sch Phys, Exeter EX4 4QL, Devon, England

来源：

JOURNAL OF NANOPHOTONICS | 2010年 / 4卷

关键词：

carbon nanotubes; terahertz radiation; STIMULATED-EMISSION; SUPERLATTICE PROPERTIES; OPTICAL-ABSORPTION; GENERATION; ELECTRONS; RADIATION; LIGHT; FIELD; BEAM;

D O I：

10.1117/1.3436585

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

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 quasi-metallic 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.

引用

页数：29

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