Superconducting integrated circuits
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IEEE International Conference on Plasma Science (ICOPS) is an annual conference coordinated by the Plasma Science and Application Committee (PSAC) of the IEEE Nuclear & Plasma Sciences Society.
fusion engineering, physics and materials, plasma heating, vacuum technology, tritium processing, fueling, first walls, blankets and divertors
The EuMIC conference is jointly organized by GAAS® Association and EuMA and is the premierEuropean technical conference for RF microelectronics. Aim of the conference is to promote thediscussion of recent developments and trends, and to encourage the exchange of scientific andtechnical information covering a broad range of high-frequency related topics, from materialsand technologies to integrated circuits and applications, that will be addressed in all of theiraspects: theory, simulation, design and measurement. If you are interested in anything aboutmicrowave and RF IC's, the EuMIC conference is an exceptional venue to learn about the latestadvances in the field and meet recognized experts from both Industry and Academia.
Covering terahertz, far infrared and millimeter wave science, technology and applications
UPEC is a long-established international conference which provides a major forum for scientists, young researchers, PhD students and engineers worldwide to present, review and discuss the latest developments in Electrical Power Engineering and relevant technologies including energy storage and renewables
Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission
Physics, medicine, astronomy—these and other hard sciences share a common need for efficient algorithms, system software, and computer architecture to address large computational problems. And yet, useful advances in computational techniques that could benefit many researchers are rarely shared. To meet that need, Computing in Science & Engineering (CiSE) presents scientific and computational contributions in a clear and accessible format. ...
Electrical insulation common to the design and construction of components and equipment for use in electric and electronic circuits and distribution systems at all frequencies.
The Canadian Journal of Electrical and Computer Engineering, issued quarterly, has been publishing high-quality refereed scientific papers in all areas of electrical and computer engineering since 1976. Sponsored by IEEE Canada (The Institute of Electrical and Electronics Engineers, Inc., Canada) as a part of its role to provide scientific and professional activity for its members in Canada, the CJECE complements ...
Publishes original and significant contributions relating to the theory, design, performance and reliability of electron devices, including optoelectronic devices, nanoscale devices, solid-state devices, integrated electronic devices, energy sources, power devices, displays, sensors, electro-mechanical devices, quantum devices and electron tubes.
IEEE Microwave and Guided Wave Letters, 1995
Novel edge-coupled microstrip loop resonators with capacitive loading have been developed. A preliminary investigation has shown that the novel coupled resonators have a smaller size and similar frequency responses as compared with the conventional coupled microstrip line resonators. This makes them attractive to the monolithic microwave integrated circuits (MMIC) and the microwave superconductive circuits where size reduction is of primary ...
 49th Annual Device Research Conference Digest, 1991
IEEE Microwave and Guided Wave Letters, 1992
The design and construction of a planar, low-noise cryogenic oscillator operating at 6.5 GHz are presented. The oscillator has been built as a hybrid superconductive microwave integrated circuit (SMIC) on a single 10*10 mm LaAlO/sub 3/ substrate. Single-sided, coplanar line structures are used throughout the circuit with YBa/sub 2/Cu/sub 3/O/sub 7- delta / as conductor material. The oscillator was constructed ...
1993 IEEE MTT-S International Microwave Symposium Digest, 1993
The first microwave GaAs HBT (heterojunction bipolar transistor) amplifier results at 4.2 K are benchmarked. The amplifier nominal gain is 6 dB and is measured from 130 MHz to 10 GHz at fixture temperatures of 295 K, 77 K, and 4.2 K. The maximum gain variation over temperature was found to be about 2 dB. Maximum gain occurred at temperatures ...
1993 23rd European Microwave Conference, 1993
This paper presents the design and performance of a hybrid semiconductor/superconductor microwave integrated circuit (MIC) K-band channelized amplifier. The circuit combines the high frequency, high performance advantages of a cryogenically cooled GaAs PHEMT with the low loss, high Q properties of an HTSC filter and matching networks. A comparison of measured and predicted results is presented: the filter/amplifier combination has ...
IEEE Custom Integrated Circuits Conference
Superconducting quantum computing research in Japan - Applied Superconductivity Conference 2018
Superconductive Energy-Efficient Computing - ASC-2014 Plenary-series - 6 of 13 - Wednesday 2014/8/13
Quantum Computation - ASC-2014 Plenary series - 4 of 13 - Tuesday 2014/8/12
Voltage Metrology with Superconductive Electronics
Multi-Level Optical Weights in Integrated Circuits - IEEE Rebooting Computing 2017
The Prospects for Scalable Quantum Computing with Superconducting Circuits - Applied Superconductivity Conference 2018
Low-energy High-performance Computing based on Superconducting Technology
The Josephson Effect: The Original SQUIDs
Education for Analog ICs
Nanophotonic Devices for Quantum Information Processing: Optical Computing - Carsten Schuck at INC 2019
The Josephson Effect: SQUIDs Then and Now: From SLUGS to Axions
IEEE Photonics Conference 2017 Recap
Quantum Annealing: Current Status and Future Directions - Applied Superconductivity Conference 2018
Multi-Level Optimization for Large Fan-In Optical Logic Circuits - Takumi Egawa - ICRC 2018
The Josephson Effect: Josephson Digital Electronics in the Soviet Union
IMS 2014:Active 600GHz Frequency Multiplier-by-Six S-MMICs for Submillimeter-Wave Generation
How to Build a Superconducting Opto-Electronic Neuromorphic Computer - Sonia Buckley - ICRC 2018
R. Jacob Baker - SSCS Chip Chat Podcast, Episode 4
Novel edge-coupled microstrip loop resonators with capacitive loading have been developed. A preliminary investigation has shown that the novel coupled resonators have a smaller size and similar frequency responses as compared with the conventional coupled microstrip line resonators. This makes them attractive to the monolithic microwave integrated circuits (MMIC) and the microwave superconductive circuits where size reduction is of primary importance.<<ETX>>
The design and construction of a planar, low-noise cryogenic oscillator operating at 6.5 GHz are presented. The oscillator has been built as a hybrid superconductive microwave integrated circuit (SMIC) on a single 10*10 mm LaAlO/sub 3/ substrate. Single-sided, coplanar line structures are used throughout the circuit with YBa/sub 2/Cu/sub 3/O/sub 7- delta / as conductor material. The oscillator was constructed around a GaAs MESFET as the active device. The complete oscillator is cooled by immersion in liquid nitrogen. An output power of 4.9 dBm was obtained. Single-sided noise power at 10 kHz offset from carrier was -90 dBc/Hz.<<ETX>>
The first microwave GaAs HBT (heterojunction bipolar transistor) amplifier results at 4.2 K are benchmarked. The amplifier nominal gain is 6 dB and is measured from 130 MHz to 10 GHz at fixture temperatures of 295 K, 77 K, and 4.2 K. The maximum gain variation over temperature was found to be about 2 dB. Maximum gain occurred at temperatures around 50-85 K, whereas at 4.2 K the gain seemed to drop slightly from that at room temperature. Only slight RF evidence of carrier freeze-out was observed at a fixture temperature of 4.2 K, although HBT junction temperatures are estimated to be around 25-30 K. This chip was integrated as a buffer amplifier with a high-temperature- superconductor digital logic gate and has shown functionality up to 320 MHz.<<ETX>>
This paper presents the design and performance of a hybrid semiconductor/superconductor microwave integrated circuit (MIC) K-band channelized amplifier. The circuit combines the high frequency, high performance advantages of a cryogenically cooled GaAs PHEMT with the low loss, high Q properties of an HTSC filter and matching networks. A comparison of measured and predicted results is presented: the filter/amplifier combination has a measured noise figure of 1.8dB, with an associated gain of 7.1dB at 18.9GHz.
In this paper, a novel, time-resolved, NbN-based, superconducting single- photon detector (SSPD) has been developed for probing CMOS integrated circuits (ICs) using photon emission timing analysis (PETA).
The hybrid-mode boundary integral equation method is extended to full-wave analysis of arbitrary MMIC (monolithic microwave integrated circuit) transmission lines that incorporate superconductors and/or normal (imperfect) conductors and lossy dielectrics. The method is demonstrated for a thin-film microstrip line of small width. Attenuation and effective permittivity results for several configurations with Au and YBCO strips separated by medium and high permittivity films are compared. The advantages of the present approach are its ability to cope with arbitrary shielded or unshielded transmission line cross sections and its reliability owing to the elimination of the origin of spurious solutions.<<ETX>>
Josephson junction logic cells and superconductor microstrip lines are able to process and transfer digital data with rates up to several hundred GHz as has been demonstrated in single-chip experiments. However, the existing chip-level bumping technique in InSn solder and resulting inter-chip connections do not allow expanding these rates to multi-chip circuits. We developed a wafer-level bumping technology using lithographically-defined bumps deposited either by e-beam evaporation or electroplating, and proposed and implemented a novel design of high-frequency chip interconnects. Chip-to-chip single-flux-quantum pulse transmission rates reaching 110 GHz have been achieved. The observed rates were limited not by the interconnects but by the speed of on-chip test circuitry fabricated in the framework of 4.5 kA/cm<sup>2</sup> HYPRES process for superconductor integrated circuits. Experimental results on adhesive- bonded and reflow-bonded multi-chip modules (MCMs) with Au and InSn bumps are presented, and effective parameters of the new interconnect design and MCM technology are discussed.
A multilayer 2.5 Gbit/sec superconducting Multichip Module (MCM) has been modeled to investigate the feasibility of meeting specified performance goals. Due to the high speeds required flip chip bonding of the Josephson Junction Integrated Circuits (IC's) is used. The MCM is comprised of both Polyimide (PI) dielectric and Mullite ceramic substrates, forming in effect an MCM-D/MCM-C hybrid structure. Niobium (Nb) low temperature superconductor (LTS) is used on the PI dielectric layers to form IC-data and IC-control nets that connect from chip to chip with transmission-line impedance of 2 and 8 ohms, respectively. In the Mullite layers, Tungsten (W) is used for clock, data in, data out, and control lines, all of 32 ohms, that connect from the IC's to the MCM I/O ports.
Quantum computation is a completely new and different paradigm for how to store and process information. It offers the possibility of exponential computational advantage for certain types of hard problems, but the hardware for implementing quantum algorithms is still at an early stage. The basic idea of quantum computing is to replace the ordinary binary bits of conventional computing with their quantum equivalent, or qubit. A qubit can be any quantum system whose states can be prepared and controlled, provided that we can then fabricate them in large quantities and then couple them to one another in prescribed ways. While there are several candidate technologies for building a quantum computer, one of the most promising is superconducting quantum circuits, operated at cryogenic temperatures approaching 0.01 K.
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