2017
DOI: 10.1364/oe.25.027165
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Surface plasmon polariton amplification in a single-walled carbon nanotube

Abstract: The interaction of a surface plasmon polariton wave of the far-infrared regime propagating in a single-walled carbon nanotube with a drift current is theoretically investigated. It is shown that under the synchronism condition a surface plasmon polariton amplification mechanism is implemented due to the transfer of electromagnetic energy from a drift current wave into a terahertz surface wave propagating along the surface of a single-walled carbon nanotube. Numerical calculations show that for a typical carbon… Show more

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Cited by 23 publications
(23 citation statements)
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“…These features make such modes unsuitable for applications in slow-wave systems. The most interesting specific features of the DWCNT modes are associated with the presence of interlayer SPP modes enabling a strong confinement of the field between the layers (Figure 2b, inset 3) and thus providing a high deceleration coefficient at a relatively low absorption coefficient (|𝛽 ′′ | ∼ 10 6 m −1 ) The devices based on the interaction between the SPP and drift current [15,[36][37][38][39] exploit the electric field longitudinal component inherent to the interlayer modes. The parameter characterizing domination of the longitudinal field component [15] 𝜂 =…”
Section: Spp Dispersion Dependences In Double-walled Carbon Nanotubes...mentioning
confidence: 99%
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“…These features make such modes unsuitable for applications in slow-wave systems. The most interesting specific features of the DWCNT modes are associated with the presence of interlayer SPP modes enabling a strong confinement of the field between the layers (Figure 2b, inset 3) and thus providing a high deceleration coefficient at a relatively low absorption coefficient (|𝛽 ′′ | ∼ 10 6 m −1 ) The devices based on the interaction between the SPP and drift current [15,[36][37][38][39] exploit the electric field longitudinal component inherent to the interlayer modes. The parameter characterizing domination of the longitudinal field component [15] 𝜂 =…”
Section: Spp Dispersion Dependences In Double-walled Carbon Nanotubes...mentioning
confidence: 99%
“…ranges for interlayer modes from 0.85 to 0.65 within the frequency range of 20-60 THz allowing interaction of the SPP longitudinal field component with both a drift current in the configuration proposed elsewhere [15,36] and an electron beam. [40] The group and phase velocities corresponding to the fundamental interlayer mode (Figure 2b, inset 3) are shown in Figure 3.…”
Section: Spp Dispersion Dependences In Double-walled Carbon Nanotubes...mentioning
confidence: 99%
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“…Эффективность взаимодействия тока и плазмонной волны высока при выполнении условия фазового синхронизма, то есть когда фазовая скорость ППП волны и дрейфовая скорость носителей заряда примерно одинаковы. Основные положения предлагаемой схемы усиления ППП в изолированной УНТ, находящейся в воздухе (вакууме) вдали от границ раздела сред, изложены в нашей работе [2]. В настоящей работе определены условия усиления в более реалистичных условиях -при наличии подстилающей среды.…”
unclassified
“…Основные положения предлагаемого подхода изложены в наших работах [1,2], посвященных проблеме усиления ППП в полупроводниковой пленке с грефеновым слоем. В настоящей работе данный подход применен к отдельному наноразмерному объекту цилиндрической симметрии -углеродной нанотрубке (УНТ) [3]. Обратная положительная связь в УНТ реализуется за счет рассеяния усиленной ППП волны на периодическом потенциале, созданным профилированной поверхностью подложки.…”
unclassified