Generation of microwave and terahertz radiation in a medium of nanoparticles

Sadykov, N. R.; Aporoski, A. V.

doi:10.1007/s11082-019-1811-2

Cited by 6 publications

(2 citation statements)

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“…In terms of electrodynamics, the discrete structure of array mount of dispersive particles is equal to a continuous dielectric material, characterized by the effective dielectric function (magnetic properties of particles are neglected) [37,63]) (see also the section "Appendix" in the article under consideration)…”

Section:   mentioning

confidence: 99%

“…In the work on the simulation of a cascade laser similar to [28,36] it is shown that generation of terahertz radiation is possible at reasonable experimental parameters. It is also discussed how generation of radiation by Cherenkov mechanism is possible [37]. In addition it is claimed that equations obtained for electrons in armchair graphene nanoribbons can be reduced to the Majorana equation [38].…”

Section: Introductionmentioning

confidence: 99%

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Terahertz radiation generation process in the medium based on the array of the elongated nanoparticles

2021

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We conduct a theoretical study and numerical simulations of terahertz radiation generation in the medium based on armchair-edge nanoribbons and zigzag nanotubes with metallic conductivity. The multicascade mechanism of radiation generation is considered in the task of terahertz radiation generation. The level of the injection current in nanoparticle arrays has been estimated. The task expands to the similar medium where radiation current is generated with the use of infrared radiation stimulated absorption, for example, radiation of a CO2 laser. Numerical results for the effective dielectric function have been obtained with the use of the effective mediumapproximation, the Maxwell-Garnett's theory and the Maxwell-Garnett model with the Clausius-Mossotti correction (geometrical model arrays).

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Section:   mentioning

confidence: 99%