Zobrazeno 1 - 10
of 311
pro vyhledávání: '"S. V. Koshevaya"'
Publikováno v:
2021 IEEE 32nd International Conference on Microelectronics (MIEL).
It is investigated theoretically a possibility of propagation of terahertz envelope solitons and collapsing pulses in narrow-gap semiconductors along a bias magnetic field. The quasi-relativistic electron nonlinearity is considered. The equivalence o
Publikováno v:
2021 IEEE 32nd International Conference on Microelectronics (MIEL).
Nonlinear propagation of short terahertz pulses in the layered structures dielectric -graphene -dielectric … is investigated theoretically on the base of direct simulations of the Maxwell equations and the hydrodynamic equations for electrons in gr
Autor:
Margarita Tecpoyotl-Torres, S. V. Koshevaya, V. V. Grimalsky, Yu.G. Rapoport, Jesus Escobedo-Alatorre
Publikováno v:
Optical and Quantum Electronics. 53
The nonlinear baseband electromagnetic pulses of a wide spectrum that covers the lower part of terahertz (THz) range are investigated theoretically in the paraelectric crystals like SrTiO3 at the moderately low temperatures 50–200 K. The frequency
Publikováno v:
Radioelectronics and Communications Systems. 62:262-270
The excitation of short electric monopulses of space charge waves with wide frequency spectrum of terahertz range in nitride films has been theoretically investigated. The excitation of these pulses with duration ≤ 5 ps and high peak values of elec
Publikováno v:
Geofísica Internacional, Vol 37, Iss 2, Pp 71-86 (1998)
Intensos estudios de la física de plasmas realizados desde hace alrededor de 10 años han visto el surgimiento de una nueva línea de investigación: la física de plasmas polvosos, que consisten de electrones, iones y partículas de polvo cargadas.
Externí odkaz:
https://doaj.org/article/6c139629c2db4aeb9fee67668548c292
Publikováno v:
Geofísica Internacional, Vol 36, Iss 1, Pp 55-60 (1997)
The purpose of this article is to present a new direction in the investigation of earthquakes through the research of electromagnetic processes in the ionosphere caused by seismic activity. To accomplish this objective, the main perturbations of the
Externí odkaz:
https://doaj.org/article/7222be552f6f44678dfd7715cc03bac2
Autor:
S. V. Koshevaya, Oksana Bilous, Denis Soshilov, V. V. Grimalsky, Felix Yanovsky, Y. G. Rapoport
Publikováno v:
2020 IEEE Ukrainian Microwave Week (UkrMW).
We present here a farther development of the ideas of 2D solid-state graphene metamaterial electron optics (GMEO) and a general method to graphene-based metamaterials that includes three levels of a consideration. This method includes a metamaterial
Publikováno v:
2020 IEEE Ukrainian Microwave Week (UkrMW).
The nonlinear propagation of two-dimensional and three-dimensional terahertz electromagnetic beams in paralelectrics like SrTiO 3 is theoretically investigated in the temperature range T= 50 – 200 K. These beams are subject to the modulation instab
Autor:
Constantin Simovski, S. V. Koshevaya, C. De Angelis, Jesus Escobedo-Alatorre, C. Baratto, Yu.G. Rapoport, D. Soshylov, V. V. Grimalsky
Publikováno v:
2020 IEEE 40th International Conference on Electronics and Nanotechnology (ELNANO).
The resonant linear and nonlinear transmission properties in THz range of structures dielectric-metal-dielectric … are investigated theoretically. The thicknesses of metallic Ag or Au layers are of about 10 nm. The dynamics of the degenerated elect
Publikováno v:
Radioelectronics and Communications Systems. 61:110-120
The nonlinear interaction of high power millimeter (mm) electromagnetic waves with silicon integral p-i-n structures placed in a metal waveguide is theoretically investigated. The level of double injection of charge carriers due to detection of high