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Towards the Development of Ultrafast Photodetectors Based on Graphene for the Next-generation Telecommunication Systems
P. 904–907.
I. A. Gayduchenko, An P., V. Belosevich, Rybin M., Kaurova N., Belkin M. E., G. N. Goltsman, Kovalyuk V.
Here, we report on our recent efforts to develop of a photodetector based on single-layer graphene two-terminal device on the sapphire substrate. Our detector operates at 1.55μm, which corresponds to the telecom window. We have demonstrated that our detector operates under zero bias conditions at room temperature, and the signal-to-noise ratio reaches 45dB. The measured frequency bandwidth reaches 20GHz and is limited by the available experimental equipment.
In book
Goltsman G., Gayduchenko I., Kovalyuk V. IEEE, 2022.
Dual-mode infrared detection via photovoltaic and barrier pyroelectric effects in PbTe p–n junctions
Jarashneli A., Danil Kobtsev, Upcher A. et al., Journal of Applied Physics 2026 Vol. 140 No. 2 Article 024501
In the work, two effects appeared in PbTe p–n junctions under mid-wavelength infrared (2 − 5 μm) and long-wavelength infrared irradiation (≈10.6 μm). The first effect was created by the optical absorption of lR-photons in PbTe and caused by its photovoltage effect. The second novel effect is related to the heating process and the formation ...
Added: July 31, 2026
Niš: IEEE, 2025.
Added: November 29, 2025
Svaytodukh S. S., Селиверстов С. В., Applied Physics Letters 2023 Vol. 124 No. 12
Added: May 12, 2024
Goltsman G., Александр С., IEEE Transactions on Applied Superconductivity 2023 P. 1–5
We investigate dark counts in SNSPD with spatial resolution, using nanostrip-patterned devices with 50 Ohm matched coplanar waveguide - tapers. We found that the dark counts originate from one or several points along the strip, which we call 'weak points'. We found that the dark counts originating from different points can have different dependence of ...
Added: May 7, 2024
Minkin A., Lebedeva I., Popov A. et al., Physical Review B: Condensed Matter and Materials Physics 2023 Vol. 108 No. 8 Article 085411
The potential energy surface (PES) of the interlayer interaction of infinite twisted bilayer graphene is calculated for a set of commensurate moiré patterns using the registry-dependent Kolmogorov-Crespi empirical potential. The calculated PESs have the same shape for all considered moiré patterns, and the unit cell size of the PESs is inversely related to the unit ...
Added: August 22, 2023
Смирнов И. А., Черкесова Л. В., Жебрун Е. А. et al., Изд-во Томского политехнического университета, 2019.
The high mobility of charge carriers in graphene makes it promising and prospective material for using for various applications as a future base for nanoelectronics and possible replacement of silicon in integrated circuits, and contributes to the creation of radioelectronic devices and arrangements microwave, Sub-THz and THz-bands. Pro-gress in the production and formation of curly ...
Added: May 11, 2023
Grebenko A. K., Krasnikov D. V., Bubis A. et al., Advanced Science 2022 Vol. 9 No. 12 Article 2200217
Following the game-changing high-pressure CO (HiPco) process that
established the first facile route toward large-scale production of single-walled
carbon nanotubes, CO synthesis of cm-sized graphene crystals of ultra-high
purity grown during tens of minutes is proposed. The Boudouard reaction
serves for the first time to produce individual monolayer structures on the
surface of a metal catalyst, thereby providing a chemical ...
Added: December 11, 2022
Burmistrov I., Kachorovskii V. Y., Klug M. J. et al., Physical Review Letters 2022 Vol. 128 No. 9 Article 096101
We develop the theory of anomalous elasticity in two-dimensional flexible materials with orthorhombic crystal symmetry. Remarkably, in the universal region, where characteristic length scales are larger than the rather small Ginzburg scale ∼10 nm, these materials possess an infinite set of flat phases. These phases corresponds to a stable line of fixed points and are connected by ...
Added: November 13, 2022
Лигер В. В., Mironenko V., Курицын Ю. А. et al., Квантовая электроника 2022 Т. 52 № 9 С. 831–837
Разработан новый вариант метода диодной лазерной абсорбционной спектроскопии (ДЛАС) для определения температуры горячих зон. Метод основан на комбинации медленного сканирования частоты излучения зондирующего диодного лазера в окрестности линии поглощения тестовой молекулы среды и быстрой модуляции частоты излучения с амплитудой порядка ширины линии поглощения. Особенностью метода является использование двухлучевой дифференциальной схемы, логарифмическое преобразование сигналов и регистрация ...
Added: October 26, 2022
Goltsman G., Gayduchenko I., Kovalyuk V., IEEE, 2022.
Here, we report on our recent efforts to develop of a photodetector based on single-layer graphene two-terminal device on the sapphire substrate. Our detector operates at , which corresponds to the telecom window. We have demonstrated that our detector operates under zero bias conditions at room temperature, and the signal-to-noise ratio reaches 45dB. The measured frequency ...
Added: August 1, 2022
Gazaliev A. S., Moskotin M. V., V V Belosevich et al., Journal of Physics: Conference Series 2021 Vol. 2086 No. 1 Article 012054
The growing requirements for mobile communication networks (data transfer rates over 100 Gbps) makes it necessary to use carrier signal with a frequency of at least 100 GHz. This requires the development of cheap and broadband sub-terahertz (sub-THz) detectors. Here we report on our recent efforts toward the development of a heterodyne sub-THz detector based ...
Added: August 1, 2022
M.: IEEE, 2022.
The Moscow Institute of Electronics and Mathematics (MIEM HSE) together with the Consortium of the National Research Nuclear University MEPhI and JSC ENPO SPELS, will hold the International Moscow IEEE-workshop (MWENT-2022). The Workshop devoted to the issues of electronics development and its integration into the modern network engineering technologies and also modern achievements in the ...
Added: July 5, 2022
Y E Matyushkin, I A Gayduchenko, M V M. et al., Journal of Physics: Conference Series 2018 Vol. 1124 No. 5 Article 051054
We report on detection of sub-THz radiation (129-430 GHz) using graphene based asymmetric field-effect transistor (FET) structures with different channel geometry: monolayer graphene, graphene nanoribbons. In all devices types we observed the similar trends of response on sub-THz radiation. The response fell with increasing frequency at room temperature, but increased with increasing frequency at 77 ...
Added: May 20, 2022
Shabanov A., Moskotin M., Belosevich V. et al., Applied Physics Letters 2021 Vol. 119 No. 16 Article 163505
Detectors of terahertz radiation based on field-effect transistors (FETs) are among the most promising candidates for low-noise passive signal rectification both in imaging systems and wireless communications. However, it was not realized so far that geometric asymmetry of common FETs with respect to source-drain interchange is a strong objective to photovoltage harvesting. Here, we break ...
Added: May 20, 2022
Berman O., Yurii E. Lozovik, Kezerashvili R. et al., Scientific Reports 2022 Vol. 12 Article 2950
We study direct and indirect pseudomagnetoexcitons, formed by an electron and a hole in the layers of gapped graphene under strain-induced gauge pseudomagnetic field. Since the strain-induced pseudomagnetic field acts on electrons and holes the same way, it occurs that the properties of single pseudomagnetoexcitons, their collective effects and phase diagram are cardinally different from ...
Added: May 9, 2022
Sinner A., Lozovik Y., Ziegler K., Physical Review B: Condensed Matter and Materials Physics 2021 Vol. 104 No. 24 Article 245124
We study the interlayer pairing states in layered systems of two different 2d electronic subsystems, one with relativistic linear and the other with nonrelativistic parabolic spectrum. The complex order parameter of the paired state has a two-component structure. We investigate the pairing state formation on the mean-field level, determine the critical interaction strength and evaluate ...
Added: January 2, 2022
Tarasov B., Arbuzov A., Volodin A. et al., Journal of Alloys and Compounds 2022 Vol. 896 Article 162881
The paper presents a review of the authors’ studies of advanced functional composites of graphene based materials with metals, alloys, intermetallic compounds and their hydrides, and on the creation on their basis of hydrogen-storage materials for a compact and safe hydrogen storage, electrode materials for nickel- metal hydride batteries, highly efficient catalysts for the hydrogenation ...
Added: December 28, 2021
Kryzhanovskaya N., Zubov Fedor I., Moiseev E. et al., Laser Physics Letters 2022 Vol. 19 No. 1 Article 016201
Characteristics of a compact III–V optocoupler heterogeneously integrated on a silicon substrate
and formed by a 31 μm in diameter microdisk (MD) laser with a closely-spaced
50 μm × 200 μm waveguide photodetector are presented. Both optoelectronic devices were
fabricated from the epitaxial heterostroctructures with InGaAs/GaAs quantum well-dot layers.
The measured dark current density of the photodetector was as ...
Added: December 2, 2021
IEEE, 2021.
Telecommunications Forum TELFOR is organized as an INTERNATIONAL annual meeting of those professionals working in the broad fields of Telecommunications and Information Technologies. The participants are mostly telecommunications engineers, but also the economists, jurists, managers, governmental officials, students, researchers, operators, service providers and others. In this way TELFOR is the forum in which all relevant aspects of Telecommunications ...
Added: November 14, 2021