Michael J. Kelly
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View article: Statistical evaluation of 571 GaAs quantum point contact transistors showing the 0.7 anomaly in quantized conductance using cryogenic on-chip multiplexing
Statistical evaluation of 571 GaAs quantum point contact transistors showing the 0.7 anomaly in quantized conductance using cryogenic on-chip multiplexing Open
The mass production and the practical number of cryogenic quantum devices producible in a single chip are limited to the number of electrical contact pads and wiring of the cryostat or dilution refrigerator. It is, therefore, beneficial to…
View article: Statistical evaluation of 571 GaAs quantum point contact transistors showing the 0.7 anomaly in quantized conductance using millikelvin cryogenic on-chip multiplexing
Statistical evaluation of 571 GaAs quantum point contact transistors showing the 0.7 anomaly in quantized conductance using millikelvin cryogenic on-chip multiplexing Open
The mass production and the practical number of cryogenic quantum devices producible in a single chip are limited to the number of electrical contact pads and wiring of the cryostat or dilution refrigerator. It is, therefore, beneficial to…
View article: Reconfigurable multiplex setup for high throughput electrical characterisation at cryogenic temperature
Reconfigurable multiplex setup for high throughput electrical characterisation at cryogenic temperature Open
In this paper, we present a reconfigurable multiplex (MUX) setup that increases the throughput of electrical characterisation at cryogenic temperature. The setup separates the MUX circuitry from quantum device under test (qDUT), allowing q…
View article: Quantized conductance in hybrid split-gate arrays of superconducting quantum point contacts with semiconducting two-dimensional electron systems
Quantized conductance in hybrid split-gate arrays of superconducting quantum point contacts with semiconducting two-dimensional electron systems Open
A quantum point contact (QPC)—a constriction in a semiconducting two-dimensional electron system with a quantized conductance—is a building block of novel spintronic and topological electronic circuits. QPCs can also be used as readout ele…
View article: Superconducting microwave cavities and qubits for quantum information systems
Superconducting microwave cavities and qubits for quantum information systems Open
Superconducting microwave cavities featuring ultrahigh Q-factors, which measure the efficiency of energy storage in relation to energy loss in a system, are revolutionizing quantum computing by providing long coherence times exceeding 1 ms…
View article: A method for the quantitative analysis of polar anionic pesticides in milk/infant formula, cereals and fruit and vegetables using ion chromatography coupled to tandem mass spectrometry
A method for the quantitative analysis of polar anionic pesticides in milk/infant formula, cereals and fruit and vegetables using ion chromatography coupled to tandem mass spectrometry Open
Polar pesticides such as anionic or ionisable compounds have always provided a challenge for analytical chemists.
View article: Cyberwar Strategies and ICC Implications in the Age of AI
Cyberwar Strategies and ICC Implications in the Age of AI Open
My name is Michael Kelly. I am on the organizing committee for ASIL and organized this panel specifically. Welcome to the roundtable where we will be discussing cyber weapons and the age of artificial intelligence (AI) and implications for…
View article: Quantized conductance in split gate superconducting quantum point contacts with InGaAs semiconducting two-dimensional electron systems
Quantized conductance in split gate superconducting quantum point contacts with InGaAs semiconducting two-dimensional electron systems Open
Quantum point contact or QPC -- a constriction in a semiconducting two-dimensional (2D) electron system with a quantized conductance -- has been found as the building block of novel spintronic, and topological electronic circuits. They can…
View article: Adorno's Problematic Entanglement with Blackness
Adorno's Problematic Entanglement with Blackness Open
Black aesthetics and Adornian aesthetics both articulate and embody what Hortense Spillers calls the “critical edge” of culture and art, and there is a recent history of Black aestheticians engaging creatively with Adorno. Today, however, …
View article: Large‐Scale On‐Chip Integration of Gate‐Voltage Addressable Hybrid Superconductor–Semiconductor Quantum Wells Field Effect Nano‐Switch Arrays
Large‐Scale On‐Chip Integration of Gate‐Voltage Addressable Hybrid Superconductor–Semiconductor Quantum Wells Field Effect Nano‐Switch Arrays Open
Stable, reproducible, scalable, addressable, and controllable hybrid superconductor–semiconductor (S–Sm) junctions and switches are key circuit elements and building blocks of gate‐based quantum processors. The electrostatic field effect p…
View article: Large-scale on-chip integration of gate-voltage addressable hybrid superconductor-semiconductor quantum wells field effect nano-switch arrays
Large-scale on-chip integration of gate-voltage addressable hybrid superconductor-semiconductor quantum wells field effect nano-switch arrays Open
Stable, reproducible, scalable, addressable, and controllable hybrid superconductor-semiconductor (S-Sm) junctions and switches are key circuit elements and building blocks of gate-based quantum processors. The electrostatic field effect p…
View article: Advancements in Superconducting Microwave Cavities and Qubits for Quantum Information Systems
Advancements in Superconducting Microwave Cavities and Qubits for Quantum Information Systems Open
Superconducting microwave cavities with ultra-high Q-factors are revolutionizing the field of quantum computing, offering long coherence times exceeding 1 ms, which is critical for realizing scalable multi-qubit quantum systems with low er…
View article: First cryogenic test results of 3D-printed resonators for quantum bits
First cryogenic test results of 3D-printed resonators for quantum bits Open
Quantum computers (QC) have the potential to efficiently solve problems currently unfeasible on even the fastest generation of classical computers. The building block of a QC is a quantum bit (qubit). Encoding and reading qubit states coup…
View article: Giant Magnetoresistance in a Chemical Vapor Deposition Graphene Constriction
Giant Magnetoresistance in a Chemical Vapor Deposition Graphene Constriction Open
Magnetic field-driven insulating states in graphene are associated with samples of very high quality. Here, this state is shown to exist in monolayer graphene grown by chemical vapor deposition (CVD) and wet transferred on Al2O3 without en…
View article: Active Terahertz Modulator and Slow Light Metamaterial Devices with Hybrid Graphene–Superconductor Photonic Integrated Circuits
Active Terahertz Modulator and Slow Light Metamaterial Devices with Hybrid Graphene–Superconductor Photonic Integrated Circuits Open
Metamaterial photonic integrated circuits with arrays of hybrid graphene–superconductor coupled split-ring resonators (SRR) capable of modulating and slowing down terahertz (THz) light are introduced and proposed. The hybrid device’s optic…
View article: Gundemar the Ghost, Isidore the Historian: Rethinking Visigothic History from the Whispers of its Literature
Gundemar the Ghost, Isidore the Historian: Rethinking Visigothic History from the Whispers of its Literature Open
Gundemar the Ghost, Isidore the Historian: Rethinking Visigothic History from the Whispers of its Literature was published in Creative Selection between Emending and Forming Medieval Memory on page 61.
View article: Management of Groundwater through Mandatory Conservation
Management of Groundwater through Mandatory Conservation Open
Ground water overdraft is a serious problem in many parts of the United States. Prevailing ground water property systems do not deal with the problem satisfactorily: the absolute ownership and reasonable use doctrines provide no means of c…
View article: High-Throughput Electrical Characterization of Nanomaterials from Room to Cryogenic Temperatures
High-Throughput Electrical Characterization of Nanomaterials from Room to Cryogenic Temperatures Open
We present multiplexer methodology and hardware for nanoelectronic device characterization. This high-throughput and scalable approach to testing large arrays of nanodevices operates from room temperature to milli-Kelvin temperatures and i…
View article: Experimental evidence for topological phases in the magnetoconductance of 2DEG-based hybrid junctions
Experimental evidence for topological phases in the magnetoconductance of 2DEG-based hybrid junctions Open
While the application of out-of-plane magnetic fields was, so far, believed to be detrimental for the formation of Majorana phases in artificially engineered hybrid superconducting-semiconducting junctions, several recent theoretical studi…
View article: Shared Intent in a Collapsing Empire: Pan-Turkism as Mens Rea Evidence of Genocide Against Distinct Populations in the Late Ottoman Period
Shared Intent in a Collapsing Empire: Pan-Turkism as Mens Rea Evidence of Genocide Against Distinct Populations in the Late Ottoman Period Open
Several mass atrocities were perpetrated by the government against distinct non-Muslim populations during the waning days of the Ottoman Empire. These occurred against the backdrop of Pan-Turkism – an aspect of the Young Turk Movement thro…
View article: United Nations Security Council permanent membership and the veto problem
United Nations Security Council permanent membership and the veto problem Open
"Every time a permanent member of the U.N. Security Council casts a veto, or threatens to do so, to protect a client state committing atrocities, or perhaps to protect even themselves when they do so, the legitimacy of the UNSC is further …
View article: Urban Interactions: Communication and Competition in Late Antiquity and the Early Middle Ages
Urban Interactions: Communication and Competition in Late Antiquity and the Early Middle Ages Open
This volume is dedicated to eliciting the interactions between localities across late antique and early medieval Europe and the wider Mediterranean. Significant research has been done in recent years to explore how late “Roman” and post-“R…
View article: Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform Open
To form a coherent quantum transport in hybrid superconductor-semiconductor (S-Sm) junctions, the formation of a homogeneous and barrier-free interface between two different materials is necessary. The S-Sm junction with high interface tra…
View article: Andreev reflections and magnetotransport in 2D Josephson junctions
Andreev reflections and magnetotransport in 2D Josephson junctions Open
In this paper, the subharmonic energy gap structures (SGS) and induced superconductivity, due to multiple Andreev reflections, in indium gallium arsenide (In0.75Ga0.25As) two-dimensional electron gas (2DEG) are discussed at different tempe…
View article: Atrocities by Corporate Actors: A Historical Perspective
Atrocities by Corporate Actors: A Historical Perspective Open
The article focuses on developments in international criminal law in addressing corporate human rights violations.
View article: InGaAs/AlAs Resonant Tunneling Diodes for THz Applications: An Experimental Investigation
InGaAs/AlAs Resonant Tunneling Diodes for THz Applications: An Experimental Investigation Open
This paper presents an experimental study of InGaAs/AlAs resonant tunneling diodes designed to improve the diode characteristics using five different device structures. A promising high peak to valley current ratio of 5.2 was obtained for …