152 citations · 352 across the 22 of their papers we have counts for
22 papers
Effect of doping on hot-carrier thermal breakdown in perforated graphene metasurfaces
M. Ryzhii, V. Ryzhii, C. Tang +2
We examine the robustness of the S-shaped current-voltage characteristics associated with hot-carrier-induced electrical breakdown in perforated graphene metasurfaces (PGMs) as a f…
Thermal hot-carrier breakdown in metasurface structures based on coplanar arrays of graphene microribbons connected with wide-gap bridges
V. Ryzhii, M. Ryzhii, M. S. Shur +2
We analyze the thermal and electrical characteristics of the metasurface consisting of the coplanar interdigital array of the graphene microribbons (GMRs) connected by nanobridges…
Rectification and bolometric terahertz radiation detectors based on perforated graphene structures exhibiting plasmonic resonant response
V. Ryzhii, C. Tang, M. Ryzhii +2
We propose and evaluate the characteristics of the terahertz (THz) detectors based on perforated graphene layers (PGLs). The PGL structures constitute the interdigital in-plane arr…
Detection of terahertz radiation using topological graphene micro-nanoribbon structures with transverse plasmonic resonant cavities
V. Ryzhii, C. Tang, T. Otsuji +2
The lateral interdigital array of the graphene microribbons (GMRs) on the h-BN substrate connected by narrow graphene nanoribbon (GNR) bridges serves as an efficient detector of te…
Dynamic characteristics of terahertz hot-electron graphene FET bolometers: effect of electron cooling in channel and at side contacts
V. Ryzhii, C. Tang, T. Otsuji +3
We analyze the operation of the hot-electron FET bolometers with the graphene channels (GCs) and the gate barrier layers (BLs). Such bolometers use the thermionic emission of the h…
Terahertz plasmonic resonances in coplanar graphene nanoribbon structures
V. Ryzhii, C. Tang, T. Otsuji +2
We analyze plasmonic oscillations in the coplanar graphene nanoribbon (GNR) structures induced by the applied terahertz (THz) signals and calculate the GNR impedance. The plasmonic…
Micromechanical field-effect transistor terahertz detectors with optical interferometric readout
V. Ryzhii, C. Tang, T. Otsuji +4
We investigate the response of the micromechanical field-effect transistors (MMFETs) to the impinging terahertz (THz) signals. The MMFET uses the microcantilevers MC as a mechanica…
Terahertz bolometric detectors based on graphene field-effect transistors with the composite h-BN/black-P/h-BN gate layers using plasmonic resonances
M. Ryzhii, V. Ryzhii, M. S. Shur +3
We propose and analyze the performance of terahertz (THz) room-temperature bolometric detectors based on the graphene channel field-effect transistors (GC-FET). These detectors com…
Hot-electron resonant terahertz bolometric detection in the graphene/black-AsP field-effect transistors with a floating gate
V. Ryzhii, C. Tang, T. Otsuji +3
We evaluate the terahertz (THz) detectors based on field effect transistor (FET) with the graphene channel {GC} and a floating metal gate (MG) separated from the GC by a black-phos…
Resonant plasmonic detection of terahertz radiation in field-effect transistors with the graphene channel and the black-AsP gate layer
V. Ryzhii, C. Tang, T. Otsuji +3
We propose the terahertz (THz) detectors based on field-effect transistors (FETs) with the graphene channel (GC) and the black-Arsenic (b-As) black-Phosphorus (b-P), or black-Arsen…
Effect of electron thermal conductivity on resonant plasmonic detection in the metal/black-AsP/graphene FET terahertz hot-electron bolometers
V. Ryzhii, C. Tang, T. Otsuji +3
We analyze the two-dimensional electron gas (2DEG) heating by the incident terahertz (THz) radiation in the field-effect transistor (FET) structures with the graphene channels (GCs…
Transit-time resonances enabling amplification and generation of terahertz radiation in periodic graphene p-i-n structures with the Zener-Klein interband tunneling
V. Ryzhii, M. Ryzhii, V. Mitin +2
The Zener-Klein (ZK) interband tunneling in graphene layers (GLs) with the lateral n-i-n and p-i-n junctions results in the nonlinear I-V characteristics that can be used for the r…
Resonant plasmonic terahertz detection in gated graphene p-i-n field-effect structures enabled by the Zener-Klein tunneling nonlinearity
V. Ryzhii, T. Otsuji, M. Ryzhii +2
We propose and analyze the terahertz (THz) detectors based on a gated graphene p-i-n (GPIN) field-effect transistor (FET) structure. The reverse-biased i-region between the gates p…
Negative terahertz conductivity at vertical carrier injection in a black-Arsenic-Phosphorus-Graphene heterostructure integrated with a light-emitting diode
Victor Ryzhii, Maxim Ryzhii, Taiichi Otsuji +4
We propose and analyze the heterostructure comprising a black-arsenic-phosphorus layer (b-AsPL) and a graphene layer (GL) integrated with a light-emitting diode (LED).…
Plasmonic instabilities and terahertz waves amplification in graphene metamaterials
Stephane Boubanga-Tombet, Deepika Yadav, Wojciech Knap +2
Plasmon oscillations have been intensively studied for more than forty years in conventional two-dimensional electron gas systems in order to find new alternatives to the vacuum de…
Device model for pixelless infrared image up-converters based on polycrystalline graphene heterostructures
V. Ryzhii, M. S. Shur, M. Ryzhii +2
We develop a device model for pixelless converters of far/mid-infrared radiation (FIR/MIR) images into near-infrared/visible (NIR/VIR) images. These converters use polycrystalline…
Infrared photodetectors based on graphene van der Waals heterostructures
V. Ryzhii, M. Ryzhii, D. Svintsov +4
We propose and evaluate the graphene layer (GL) infrared photodetectors (GLIPs) based on the van der Waals (vdW) heterostructures with the radiation absorbing GLs. The operation of…
Two-dimensional plasmons in lateral carbon nanotube network structures and their effect on the terahertz radiation detection
V. Ryzhii, T. Otsuji, M. Ryzhii +10
We consider the carrier transport and plasmonic phenomena in the lateral carbon nanotube (CNT) networks forming the device channel with asymmetric electrodes. One electrode is the…
Resonant plasmonic terahertz detection in vertical graphene-base hot-electron transistors
V. Ryzhii, T. Otsuji, M. Ryzhii +2
We analyze dynamic properties of vertical graphene-base hot-electron transistors (GB-HETs) and consider their operation as detectors of terahertz (THz) radiation using the develope…
Graphene vertical hot-electron terahertz detectors
V. Ryzhii, A. Satou, T. Otsuji +3
We propose and analyze the concept of the vertical hot-electron terahertz (THz) graphene-layer detectors (GLDs) based on the double-GL and multiple-GL structures with the barrier l…
Graphene terahertz uncooled bolometers
V. Ryzhii, T. Otsuji, M. Ryzhii +4
We propose the concept of a terahertz (THz) uncooled bolometer based on n-type and p-type graphene layers (GLs), constituting the absorbing regions, connected by an array of undope…
Terahertz lasers based on optically pumped multiple graphene structures with slot-line and dielectric waveguides
V. Ryzhii, A. A. Dubinov, T. Otsuji +2
Terahertz (THz) lasers on optically pumped multiple-graphene-layer (MGL) structures as their active region are proposed and evaluated. The developed device model accounts for the i…