C. Degenhardt

Evaluation of Cryogenic Model Libraries for FDSOI CMOS Transistors

Phanish Chava, Heidrun Alius, Jonas Buehler, Alfonso R. Cabrera-Galicia et autres

Scalable quantum computers demand innovative solutions to tackle the wiring bottleneck and control an increasing number of qubits. Cryogenic electronics based on CMOS technologies are promising candidates that can operate down to deep-cryogenic temperatures and act as a communication and control interface …

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Retrospektive Analyse zu medinisch indizierten Schwangerschaftsabbrüchen nach der 12. SSW und der Einfluss des NIPT 2008 – 2024

P Hintz, C. Degenhardt, Anita Windhorst, Ellydda Widriani et autres

Background Ziel der Untersuchung war es die Indikationen, fetalen Pathologien und den Einfluss der Einführung des NIPT darzustellen ([ Abb. 1 ]). Abb. 1 Häufigste fetale Pathologien vor und nach 24. SSW Methods Über 16 Jahre wurden 561 Fälle erfasst, in 544 …

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Retrospektive Analyse zu maternalen Komplikationen bei medizinische indizierten Schwangerschafsabbrüchen nach der 12. SSW 2008 – 2024

P Hintz, C. Degenhardt, Anita Windhorst, E Widriani et autres

Background Schwangerschaftsabbrüche (SAB) nach der 12. SSW aufgrund medizinischer Indikationen können eine besondere Herausforderung dastellen. Ziel der Studie war es die maternalen Komplikationen und den Zusammenhang zum Gestationsalter zum Zeitpunkt des SAB umfassend darzustellen. Methods Über 16 Jahre wurden SAB erfasst, welche …

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Evaluation of cryogenic model libraries for FDSOI CMOS transistors

Phanish Chava, Heidrun Alius, Alfonso R. Cabrera-Galicia, C. Degenhardt et autres

Scalable quantum computers demand innovative solutions to tackle the wiring bottleneck and control an increasing number of qubits. Cryogenic electronics based on CMOS technologies are promising candidates which can operate down to deep-cryogenic temperatures and act as a communication and control interface …

Retrospektive Analyse zu medizinisch indizierten Schwangerschaftsabbrüchen nach der 12. SSW und der Einfluss des NIPT von 2008 – 2024

P Hintz, C. Degenhardt, Anita Windhorst, Ivonne Bedei et autres

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CMOS Integrated Circuits for the Quantum Information Sciences

Jens Anders, Masoud Babaie, Joseph C. Bardin, Imran Bashir et autres

Over the past decade, significant progress in quantum technologies has been made and, hence, engineering of these systems has become an important research area. Many researchers have become interested in studying ways in which classical integrated circuits can be used to complement …

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Towards the Development of Cryogenic Integrated Power Management Units

Alfonso R. Cabrera-Galicia, Arun Ashok, Patrick Vliex, C. Degenhardt et autres

Integrated Circuits (ICs) operating at cryogenic temperatures are expected to allow the development of scalable quantum computing systems consisting of thousands of physical quantum bits (qubits). However, since these ICs require undistorted power supply lines for optimal performance, the development of Power …

Self-Heating Effect in a 65 nm MOSFET at Cryogenic Temperatures

Anton A. Artanov, Edmundo A. Gutiérrez-D, Alfonso R. Cabrera-Galicia, A. Kruth et autres

We characterized the thermal behavior of a 65 nm bulk CMOS transistor, by measuring the self-heating effect (SHE) as a function of bias condition. We demonstrated that at a base temperature of 6.5 K the channel temperature of the transistor can increase …

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Performance of a Position-Sensitive Neutron Scintillation Detector Based on Silicon Photomultipliers

Shashank Kumar, M. Herzkamp, C. Degenhardt, Jörg Seemann et autres

In recent years, the price increase of 3He has triggered the search for alternative neutron detectors. One of the viable options is a scintillation-based neutron detector. Usually, photomultiplier tubes (PMTs) are used in these detectors for photodetection. However, the increase in performance …

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Energy Consumption, Conversion, and Transfer in Nanometric Field-Effect Transistors (FET) Used in Readout Electronics at Cryogenic Temperatures

O. López-López, Irene Jiménez Martínez, A. Cabrera, Edmundo A. Gutiérrez-D et autres

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Bias Voltage DAC Operating at Cryogenic Temperatures for Solid-State Qubit Applications

Patrick Vliex, C. Degenhardt, Christian Grewing, A. Kruth et autres

A scalable eight channel DAC designed in a TSMC 65-nm CMOS technology for generation of solid-state quantum bit (qubit) bias voltages is presented. Measurement results of the DAC and some additional auxiliary components like an on-chip amplifier and sigma-delta modulator at 6 …

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Systems Engineering of Cryogenic CMOS Electronics for Scalable Quantum Computers

C. Degenhardt, Anton A. Artanov, Lotte Geck, Christian Grewing et autres

We report on our systems engineering activities concerning cryogenic CMOS electronics as building blocks for scalable quantum computers. Following the V-model of engineering, the topic is approached both in top-down and in bottom-up fashion. We show the main results from the top-down …

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