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Challenges of Josephson Junction Arrays for ac Voltage Generation by Microwave Pulse Power Modulation
2005
IEEE transactions on applied superconductivity
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In this paper, arrays of SINIS Josephson junctions were investigated which produce a 1 V voltage step under irradiation at a frequency of the order of 70 GHz. ...
This allows the generation of a 1 V voltage pulse by switching the microwave power at constant dc bias current. ...
This demand requires very fast transient times of better than 100 ns and thus to very stringent conditions for the parameters of programmable Josephson arrays. ...
doi:10.1109/tasc.2005.849833
fatcat:bbeljgpn4fec7hvi5a5knki4xu
Synthesizing accurate voltages with superconducting quantum-based standards
2010
IEEE Instrumentation & Measurement Magazine
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S. government, not subject to copyright O ver the past three decades, the quantum behavior of superconducting Josephson junctions has been exploited to dramatically improve the accuracy of dc voltage measurements ...
Contribution of the U. ...
Acknowledgement The device and measurement technology advances described in this article are a result of the collaborative nature of many researchers from many national metrology institutes within the ...
doi:10.1109/mim.2010.5475160
fatcat:56f73qd2dfamtl5mockzoyquza
Development of Josephson voltage standards
[chapter]
2011
Superconductivity - Theory and Applications
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The authors would like to thank the Josephson voltage standard team at PTB. ...
The work within this EURAMET joint research project leading to these results was supported in part by the European Community's Seventh Framework Programme, ERA-NET Plus, under Grant Agreement 217257 (JoSy ...
To improve achievable uncertainties, the transients have been made faster and faster, from 1 µs to below 100 ns (Williams et al, 2007) . ...
doi:10.5772/17031
fatcat:kuubturbdfbnlkgcyw3gsa4fzm
Josephson voltage standards
2003
Measurement science and technology
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The authors would like to thank the Josephson voltage standard team at PTB. ...
The work within this EURAMET joint research project leading to these results was supported in part by the European Community's Seventh Framework Programme, ERA-NET Plus, under Grant Agreement 217257 (JoSy ...
To improve achievable uncertainties, the transients have been made faster and faster, from 1 µs (Hamilton et al, 1997) to below 100 ns (Williams et al, 2007) . ...
doi:10.1088/0957-0233/14/8/305
fatcat:vs7qbuo4ojffdgkl5z4p3gyr3q
Method for Ensuring Accurate AC Waveforms With Programmable Josephson Voltage Standards
2013
IEEE Transactions on Instrumentation and Measurement
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Index Terms-Josephson arrays, Josephson device measurement applications, Josephson devices, Josephson voltage standard, measurement standards. ...
The amplitudes of stepwise-approximated sine waves generated by programmable Josephson voltage standards (PJVS) are not intrinsically accurate because the transitions between the quantized voltages depend ...
The transition timing is affected by (a) the precise shape of the voltage-current (VI) characteristic of each Josephson sub-array, (b) the values chosen for bias-current setpoints, and (c) any variations ...
doi:10.1109/tim.2013.2250192
fatcat:4fz3q6mvfrb5bo3w3pn73czu4q
Modelling of a Two-Signal SFQ Detection Scheme for the Readout of Superconducting Nanowire Single Photon Detectors
2017
2017 16th International Superconductive Electronics Conference (ISEC)
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We also present preliminary experimental results of nanobridge-based Josephson junctions to be used in the realization of the coincidence detector circuit. ...
The two-signal detection scheme is simulated using JSIM which allows for the simulation of Josephson junction elements in a circuit. ...
Maximal output voltage is achieved when the incident photons have 100% overlap.
IV. ...
doi:10.1109/isec.2017.8314235
fatcat:bue35wdccvc65kqdz3gvspmsyu
Application of the Josephson effect in electrical metrology
2009
The European Physical Journal Special Topics
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The physics of the Josephson effect will be presented and the importance of quantum-based electrical standards will be discussed. ...
A detailed explanation of the operation of the conventional Josephson voltage standard and its use for dc applications will be presented, including a description of the most important results. ...
One of the arrays was divided into five sub-arrays with 128, 128, 256, 512, 1024, 2048 junctions. ...
doi:10.1140/epjst/e2009-01050-6
fatcat:4zujtawrdjchlbzryqcwoi3kj4
Advancement of superconductor digital electronics
2012
IEICE Electronics Express
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Ultra short pulse of a voltage generated across a Josephson junction and release from charging/discharging process for signal transmission in RSFQ circuits enable us to reduce power consumption and gate ...
The fabrication process technology and the related designing technology have been advanced, and RSFQ ICs have been applied to software-defined radio receivers, superconductor detector array systems, and ...
The National Institution of Advanced Industrial Science and Technology partially contributed to the circuit fabrication.
Akira Fujimaki ...
doi:10.1587/elex.9.1720
fatcat:ejofsdohofec3gx7qlzrahusb4
The electronic interface for quantum processors
2019
Microprocessors and microsystems
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However, a significant increase in the number of quantum bits (qubits) and their performance is required to demonstrate such quantum supremacy. ...
The limitations in scaling up such state-of-the-art implementations are analyzed, and possible solutions to overcome those hurdles are reviewed. ...
2.3 us
< 10 ns
13-40
GHz
1 us
30-50
GHz
1 us
1 ns
10 ns
...1 us
100 ps
12ns
40 ns
100 ns
100 ns
1 us
7-8 GHz, ~ 1 us
Sequence of pulses
between different
quantum dots ...
doi:10.1016/j.micpro.2019.02.004
fatcat:qv5khtmluvfcxdboyc2ory6tpu
The electronic interface for quantum processors
[article]
2019
arXiv
pre-print
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Other Versions
However, a significant increase in the number of quantum bits (qubits) and their performance is required to demonstrate such quantum supremacy. ...
The limitations in scaling up such state-of-the-art implementations are analyzed, and possible solutions to overcome those hurdles are reviewed. ...
2.3 us
< 10 ns
13-40
GHz
1 us
30-50
GHz
1 us
1 ns
10 ns
...1 us
100 ps
12ns
40 ns
100 ns
100 ns
1 us
7-8 GHz, ~ 1 us
Sequence of pulses
between different
quantum dots ...
arXiv:1811.01693v2
fatcat:ysglha47rrhjpgxseovd3ccp4q
SCENET roadmap for superconductor digital electronics
2006
Physica. C, Superconductivity
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of technology. ...
It is the result of many years of discussion in the group and of consultations with experts in the field, on the way to bring together industrial expectations and visionary extrapolation and current status ...
programmable Josephson voltage standards [50] . ...
doi:10.1016/j.physc.2005.10.017
fatcat:vusu3a2cenavbf432hguvejfq4
Beyond Moore's technologies: operation principles of a superconductor alternative
2017
Beilstein Journal of Nanotechnology
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Possible ways of further research are outlined. ...
In this paper, we consider operation principles of an energy-efficient superconductor logic and memory circuits with a short retrospective review of their evolution. ...
This work was supported by grant No. 17-12-01079 of the Russian Science Foundation, Anatoli Sidorenko would like to thank the support of the project of the Moldova Republic National Program "Nonuniform ...
doi:10.3762/bjnano.8.269
pmid:29354341
pmcid:PMC5753050
fatcat:hqoplvsbingmtkftupj4b3un3m
Nonvolatile Memories in Spiking Neural Network Architectures: Current and Emerging Trends
2022
Electronics
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Neuromorphic systems mimic biological functions by employing spiking neural networks for achieving brain-like efficiency, speed, adaptability, and intelligence. ...
Current trends in neuromorphic technologies address the challenges of investigating novel materials, systems, and architectures for enabling high-integration and extreme low-power brain-inspired computing ...
ns [177] ≈10 12 [177] FeFET ≈40 ns [129] ≈65 ns [129] ≈10 14 [129] CNTFET ≈100 ns [126] ≈100 ns [126] ...
doi:10.3390/electronics11101610
fatcat:x4aqw2xk55g5tmdfqvygyxh5eu
Roadmap on emerging hardware and technology for machine learning
2020
Nanotechnology
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However, it is the performance of the hardware, in particular the energy efficiency of a computing system that sets the fundamental limit of the capability of machine learning. ...
The aim of this Roadmap is to present a snapshot of emerging hardware technologies that are potentially beneficial for machine learning, providing the Nanotechnology readers with a perspective of challenges ...
Acknowledgments This is a contribution of NIST, an agency of the US government, not subject to copyright. ...
doi:10.1088/1361-6528/aba70f
pmid:32679577
fatcat:t6me4pfxgfhdvbdqjnyjuksf2e
RSFQ TECHNOLOGY: CIRCUITS AND SYSTEMS
2001
International Journal of High Speed Electronics and Systems
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This achievement is due, in part, to a constellation of characteristics that manifest themselves at the circuit level -namely, highspeed digital logic at low-power, ideal interconnects, quantum accuracy ...
, scalability, and simplicity of fabrication. ...
The intrinsically small time constants associated with Josephson junctions may make it possible to extend such performance to many GHz, although very large arrays of JJs may be necessary to achieve useful ...
doi:10.1142/s0129156401000861
fatcat:awsevonrufgdzmmcmhf5lra5we
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