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Historically, VLSI designers have focused on increasing the speed and reducing the area of digital systems. However, the evolution of portable systems and advanced Deep Sub-Micron fabrication technologies have brought power dissipation as…

Other Computer Science · Computer Science 2013-07-12 Kanika Kaur , Arti Noor

In the context of particle detectors, low-temperature covalent wafer-wafer bonding allows for integration of high-Z materials as absorbing layers with readout chips produced in standard CMOS processes. This enables for instance the…

Instrumentation and Detectors · Physics 2023-05-17 Johannes Wüthrich , Christoph Alt , André Rubbia

Motivated by recent studies on superconducting (SC) diode nonreciprocity, we uncover a generic smooth SC-phase decoherence mechanism in low-dimensional Josephson structures. Contrary to the conventional single-energy-scale paradigm where…

Superconductivity · Physics 2026-03-10 F. Yang , C. Y. Dong , Joshua A. Robinson , L. Q. Chen

We have developed a new superconducting digital technology, Reciprocal Quantum Logic, that uses AC power carried on a transmission line, which also serves as a clock. Using simple experiments we have demonstrated zero static power…

Superconductivity · Physics 2015-05-27 Quentin P. Herr , Anna Y. Herr , Oliver T. Oberg , Alexander G. Ioannidis

In pixelized detectors, reducing power consumption in the front end ASIC chips becomes a crucial demand. Optimization based on mature pre-amplifier schemes today is unlikely to bring sufficient improvements. A new CMOS front-end gain stage…

Instrumentation and Detectors · Physics 2023-05-18 Jinyuan Wu

Superconductor-based light-emitting diode (superconductor-based LED) in strong light-confinement regime are characterized as a superconductor-based three-terminal device, and its transport properties are quantitatively investigated. In the…

The commercialization of transistors capable of both switching and amplification in 1960 resulted in the development of second-generation computers, which resulted in the miniaturization and lightening while accelerating the reduction and…

Emerging Technologies · Computer Science 2024-04-09 Jonghyeon Lee , Taewon Kang

The basis for superconducting electronics can broadly be divided between two technologies: the Josephson junction and the superconducting nanowire. While the Josephson junction (JJ) remains the dominant technology due to its high speed and…

Compared with silicon (Si) power devices, Silicon carbide (SiC) devices have the advantages of fast switching speed and low on-resistance. However, the effects of non-ideal characteristics of SiC MOSFETs and stray parameters (especially…

Systems and Control · Electrical Eng. & Systems 2023-11-14 Jialin Zheng , Zhengming Zhao , Han Xu , Weicheng Liu , Yangbin Zeng

Planar Josephson junctions (JJs), based on common superconductors and III-V semiconductors, are sought for Majorana states and fault-tolerant quantum computing. However, with gate-tunable spin-orbit coupling (SOC), we show that the range of…

Superconductivity · Physics 2024-07-03 David Monroe , Chenghao Shen , Dario Tringali , Mohammad Alidoust , Tong Zhou , Igor Žutić

Large power consumption of silicon CMOS electronics is a challenge in very-large-scale integrated circuits and a major roadblock to fault-tolerant quantum computation. Matching the power dissipation of Si-MOSFETs to the thermal budget at…

Complementary-metal-oxide-semiconductor (CMOS) is the most widely spread technology for integrated circuits fabrication. Each foundry offers different technology nodes that are characterized by the minimum feature size, which is the…

Systems and Control · Electrical Eng. & Systems 2022-12-23 Dina Reda Eldamak

Interest in Josephson junctions (JJs) has increased rapidly in recent years not only because of their use in qubits and other quantum devices but also due to the unique physics supported by the JJs. The advent of various novel quantum…

Josephson parametric converters (JPCs) are superconducting devices capable of performing nondegenerate, three-wave mixing in the microwave domain without losses. One drawback limiting their use in scalable quantum architectures is the large…

Superconductivity · Physics 2017-02-22 Baleegh Abdo , Jose M. Chavez-Garcia , Markus Brink , George Keefe , Jerry M. Chow

We introduce a hybrid qubit based on a semiconductor nanowire with an epitaxially grown superconductor layer. Josephson energy of the transmon-like device ("gatemon") is controlled by an electrostatic gate that depletes carriers in a…

Mesoscale and Nanoscale Physics · Physics 2015-09-22 T. W. Larsen , K. D. Petersson , F. Kuemmeth , T. S. Jespersen , P. Krogstrup , J. Nygard , C. M. Marcus

Josephson junctions form the essential non-linearity for almost all superconducting qubits. The junction is formed when two superconducting electrodes come within $\sim$1 nm of each other. Although the capacitance of these electrodes is a…

The Josephson diode effect (JDE), a nonreciprocal supercurrent, is a cornerstone for future dissipationless electronics, yet achieving high efficiency in a simple device architecture remains a significant challenge. Here, we theoretically…

Superconductivity · Physics 2025-09-01 Guo-Liang Guo , Xiao-Hong Pan , Hao Dong , Xin Liu

Transport is called nonreciprocal when not only the sign, but also the absolute value of the current, depends on the polarity of the applied voltage. It requires simultaneously broken inversion and time-reversal symmetries, e.g., by the…

Directly switching optical signals outperforms conventional optoelectronic hardware in terms of cost, latency, and energy efficiency, and is expected to address the growing demand for data node capacity driven by the development of machine…

This paper explores the potential of cryogenic semiconductor computing and superconductor electronics as promising alternatives to traditional semiconductor devices. As semiconductor devices face challenges such as increased leakage…

Hardware Architecture · Computer Science 2024-09-09 Kunal Pai , Anusheel Nand , Jason Lowe-Power
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