Search Results - "Zemlyakov, V."

Cylindrical Waveguiding Structures with Complex Cross Sections in Microwave Units of Modern Information and Communication Systems by Lonkina, D. V., Gubskii, D. S., Zemlyakov, V. V.

“…Cylindrical waveguiding structures with complex transverse cross sections and application of the structures in modern information and communication systems are…”
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Optimization of Physics-Informed Neural Networks for Solving the Nolinear Schrödinger Equation by Chuprov, I., Gao, Jiexing, Efremenko, D., Kazakov, E., Buzaev, F., Zemlyakov, V.

“…Physics Informed Neural Networks (PINN) is a promising method for solving partial differential equations using machine learning. In this paper we consider the…”
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Electrodynamic Analysis and Design of Bandpass Filters on Circular Waveguides by Lonkina, D. V., Zemlyakov, V. V., Gubsky, D. S., Krutiev, S. V., Zargano, G. F.

“…The possibility of using a circular waveguide with radial ridges and ring-shaped segments of finite thickness as resonant diaphragms in the synthesis of…”
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Analysis of the Effect of Spacer Layers on Nonlinear Distortions of the Current–Voltage Characteristics of GaAlAs/InGaAs pHEMTs by Tarasova, E. A., Khazanova, S. V., Golikov, O. L., Puzanov, A. S., Obolensky, S. V., Zemlyakov, V. E.

“…The paper presents the results of modeling the electrophysical parameters of AlGaAs/InGaAs/GaAs pseudomorphic high electron mobility transistor (pHEMT)…”
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Normally-Off p-Gate Transistor Based on AlGaN/GaN Heterostructures by Egorkin, V. I., Bespalov, V. A., Zaitsev, A. A., Zemlyakov, V. E., Kapaev, V. V., Kukhtyaeva, O. B.

“…Conventional AlGaN/GaN transistors are depletion-mode devices. For most applications, the E -mode, where the channel current is zero at the zero gate voltage,…”
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Bell-Shaped Refractive Index Profiles of Multimode Optical Fibers and Method for Calculating Their Optical Properties by Gololobov, V. M., Motolygin, V. S., Zemlyakov, V. V., Gao, J.

“…Optical properties of multimode fibers with refractive index profiles represented by a wide class of bell-shaped analytical functions are investigated. We…”
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Mode Decomposition with the Mode Selective Time-resolved Algorithm by Anisimov, P. S., Zemlyakov, V. V., Gao, J.

“…We propose a fast and accurate technique of mode decomposition in multimode optical fibers. Initial decomposition task is reformulated in terms of a system of…”
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Blue-green light-emitting diode with patterned electrode: Spectral analysis by Nishidate, Y., Khmyrova, I., Kholopova, Yu, Polushkin, E., Zemlyakov, V., Tsatsul'nikov, A., Shapoval, S.

“…Two step decomposition procedure was developed and implemented to analyze experimentally measured EL-spectra of light-emitting diode (LED) with mesh-like top…”
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Measurement of the Complex Dielectric Constant of Materials Based on a Ridge Waveguide by Donchenko, A. V., Zargano, G. F., Zemlyakov, V. V., Kleschenkov, A. B.

“…—The problem of determining the complex dielectric constant of materials in the centimeter and millimeter wavelength ranges is solved using the waveguide…”
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Investigation of the Effect of Atomic Composition on the Plasma-Chemical Etching Rate of Silicon Nitride in High-Power Transistors Based on an AlGaN/GaN Heterojunction by Garmash, V. I., Zemlyakov, V. E., Egorkin, V. I., Kovalchuk, A. V., Shapoval, S. Y.

“…The effect of atomic composition on the rate of the plasma-chemical etching of silicon nitride in high-power transistors based on an AlGaN/GaN heterojunction…”
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Modal Analysis and Propagation Properties of the Multilayered Circular Optical Fiber by Anisimov, P. S., Motolygin, V. S., Zemlyakov, V. V., Gao, J.

“…We propose an alternative approach for solving modes of optical fibers with azimuthal symmetry. We approximate arbitrary smooth profile functions by that of a…”
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Investigating the RTA Treatment of Ohmic Contacts to n-Layers of Heterobipolar Nanoheterostructures by Egorkin, V. I., Zemlyakov, V. E., Nezhentsev, A. V., Garmash, V. I.

“…The preparation of ohmic contacts to heterobipolar nanostructures has a number of characteristic features. In addition to the basic requirement of minimizing…”
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A Study of Residual Stresses in Steel Plates Obtained by Laser Deposition Directly on a Rigid Substrate by Karpov, I. D., Em, V. T., Rylov, S. A., Ivanov, S. Yu, Zemlyakov, E. V., Babkin, K. D.

“…A neutron diffraction method has been used to study residual stresses in corrosion-resistant martensitic steel AISI 410 plates of the composition (wt %): 0.15…”
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Speckle backpropagation for compensation of nonlinear effects in few-mode optical fibers by Anisimov, Pavel S., Tsyplakov, Evgeny D., Zemlyakov, Viacheslav V., Gao, Jiexing

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Blue-green InGaN/GaN light-emitting diode with mesh-like top metal electrode by Kholopova, Yu, Khmyrova, I., Larkin, S., Zemlyakov, V., Egorkin, V., Tsatsul'nikov, A., Nishidate, Y., Shapoval, S.

“…Light-emitting diodes (LEDs) with blue-green dual-wavelength emission and top metal electrode patterned as a mesh were fabricated using InGaN/GaN material…”
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Partial Region Method for Modeling Guided-wave Properties of Cylindrical Waveguide with Complex Discontinuities by Lonkina, D. V., Zemlyakov, V. V., Gubsky, D. S., Krutiev, S. V., Makhno, P. V.

“…The waveguides with complex cross-section are widely used to achieve new properties and characteristics. It makes possible to use these structures as…”
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Simulation of a Normally-off HEMT Transistor Based on a GaN/AlGaN with a p-Gate by Egorkin, V. I., Zemlyakov, V. E., Kapaev, V. V., Kukhtyaeva, O. B.

“…We perform the numerical simulation of the characteristics of normally-off GaN/AlGaN HEMT transistors with a p -gate. The dependences of the threshold voltage…”
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Compact Band-Pass Filter Based on a Circular Waveguide with Two T-Shaped Ridges by Gubsky, D. S., Zemlyakov, V. V., Lonkina, D. V.

“…Computer simulation and synthesis of waveguide selective devices based on circular waveguides with T-shaped metal ridges have been performed. A method for…”
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Electrodynamic Analysis of a Circular Waveguide with Thin Metal Ribs by Gubsky, D. S., Zemlyakov, V. V., Lonkina, D. V.

“…We solve the problem of electrodynamic analysis of the mode composition of radiation in a circular waveguide with thin radial metal ribs. Algorithms for…”
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Hybrid Types of Waves Propagating in Double Ridged Waveguide with Piecewise-Layer Dielectric Filling by Donchenko, A. V., Zargano, G. F., Zemlyakov, V. V.

“…The algorithm for calculating electrodynamic characteristics of hybrid types of waves propagating in double ridged waveguide with piecewise-layered dielectric…”
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