-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2025
置信度 0.80
-
europepmc
2024
置信度 0.80
-
europepmc
2024
置信度 0.80
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europepmc
2024
置信度 0.80
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europepmc
2024
置信度 0.80
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europepmc
2024
置信度 0.80
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europepmc
2024
置信度 0.80
-
europepmc
2024
置信度 0.80
-
europepmc
2023
置信度 0.80
-
europepmc
2024
置信度 0.80
-
europepmc
2023
置信度 0.80
-
europepmc
2023
置信度 0.80
-
europepmc
2023
置信度 0.80
-
europepmc
2023
置信度 0.80
-
europepmc
2022
置信度 0.80
-
europepmc
2022
置信度 0.80
-
europepmc
2022
置信度 0.80
-
europepmc
2022
置信度 0.80
-
europepmc
2021
置信度 0.80
-
europepmc
2020
置信度 0.80
-
europepmc
2021
置信度 0.80
-
europepmc
2020
置信度 0.80
-
europepmc
2021
置信度 0.80
-
europepmc
2020
置信度 0.80
-
europepmc
2021
置信度 0.80
-
europepmc
2021
置信度 0.80
-
europepmc
2018
置信度 0.80
-
europepmc
2020
置信度 0.80
-
europepmc
2020
置信度 0.80
-
europepmc
2019
置信度 0.80
-
europepmc
2019
置信度 0.80
-
europepmc
2019
置信度 0.80
-
europepmc
2019
置信度 0.80
-
europepmc
2020
置信度 0.80
-
europepmc
2019
置信度 0.80
-
europepmc
2018
置信度 0.80
-
europepmc
2019
置信度 0.80
-
europepmc
2018
置信度 0.80
-
europepmc
2019
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2017
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2018
置信度 0.80
-
Superconducting transmon processors represent a leading platform for large-scale quantum computing due to their high gate fidelities and scalability. However, conventional qubit-coupler-qubit (QCQ) architectures face critical physical and structural bottleneck…
pubmed
Kim C, Kang J, Kwon Y
2026
置信度 0.82
-
europepmc
2026
置信度 0.80
-
europepmc
2019
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2015
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2014
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2015
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2016
置信度 0.80
-
europepmc
2018
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2016
置信度 0.80
-
europepmc
2026
置信度 0.80
-
europepmc
2016
置信度 0.80
-
europepmc
2025
置信度 0.80
-
Copyright © 2020 by Annual Reviews. All rights reserved. Superconducting qubits are leading candidates in the race to build a quantum computer capable of realizing computations beyond the reach of modern supercomputers. The superconducting qubit modality has b…
openalex
Morten Kjærgaard, Mollie E. Schwartz, Jochen Braumüller, Philip Krantz 等
2020-01-01
置信度 0.72
QubitQuantum computerSuperconducting quantum computingComputer scienceQuantum error correction
-
Rigidity of an ordered phase in condensed matter results in collective excitation modes spatially extending to macroscopic dimensions. A magnon is a quantum of such collective excitation modes in ordered spin systems. Here, we demonstrate the coherent coupling…
openalex
Yutaka Tabuchi, Seiichiro Ishino, Atsushi Noguchi, T. Ishikawa 等
2015-07-10
置信度 0.72
MagnonQubitPhysicsCondensed matter physicsExcitation
-
We theoretically investigate the influence of designed pulse sequences in restoring quantum coherence lost due to background noise in superconducting qubits. We consider both $1/f$ noise and random telegraph noise and show that the qubit coherence time can be …
openalex
Łukasz Cywiński, Roman M. Lutchyn, Cody P. Nave, S. Das Sarma
2008-05-13
置信度 0.72
QubitQuantum decoherenceDephasingCoherence (philosophical gambling strategy)Physics
-
openalex
Matthew LaHaye, Junho Suh, P. M. Echternach, Keith Schwab 等
2009-06-01
置信度 0.72
QubitNanoelectromechanical systemsPhysicsSuperconductivityResonator
-
In a Rabi oscillation experiment with a superconducting qubit we show that a visibility in the qubit excited state population of more than 95% can be attained. We perform a dispersive measurement of the qubit state by coupling the qubit non-resonantly to a tra…
openalex
Andreas Wallraff, David Schuster, Alexandre Blais, Luigi Frunzio 等
2005-08-01
置信度 0.72
QubitPhase qubitPhysicsCharge qubitFlux qubit
-
openalex
Fumiki Yoshihara, Tomoko Fuse, Sahel Ashhab, Kosuke Kakuyanagi 等
2016-10-10
置信度 0.72
PhysicsFlux qubitQubitCircuit quantum electrodynamicsJosephson effect
-
We demonstrate Mach-Zehnder-type interferometry in a superconducting flux qubit. The qubit is a tunable artificial atom, the ground and excited states of which exhibit an avoided crossing. Strongly driving the qubit with harmonic excitation sweeps it through t…
openalex
William D. Oliver, Yang Yu, Janice C. Lee, Karl K. Berggren 等
2005-11-11
置信度 0.72
Flux qubitQubitPhase qubitPhysicsInterferometry
-
openalex
R. Vijay, Chris Macklin, D. H. Slichter, Steven Weber 等
2012-10-01
置信度 0.72
PhysicsQuantum error correctionQubitQuantum mechanicsPhase qubit
-
Superconducting qubits are an attractive platform for quantum computing since they have demonstrated high-fidelity quantum gates and extensibility to modest system sizes. Nonetheless, an outstanding challenge is stabilizing their energy-relaxation times, which…
openalex
Paul V. Klimov, J. Kelly, Z. Chen, M. Neeley 等
2018-08-31
置信度 0.72
QubitSuperconducting quantum computingSuperconductivityPhysicsRelaxation (psychology)
-
The ability to detect and deal with errors when manipulating quantum systems is a fundamental requirement for fault-tolerant quantum computing. Unlike classical bits that are subject to only digital bit-flip errors, quantum bits are susceptible to a much large…
openalex
Antonio Córcoles, Easwar Magesan, Srikanth Srinivasan, Andrew W. Cross 等
2015-04-29
置信度 0.72
Quantum error correctionQubitQuantum convolutional codeQuantum computerError detection and correction
-
We study the energy relaxation times (T1) of superconducting transmon qubits in 3D cavities as a function of dielectric participation ratios of material surfaces. This surface participation ratio, representing the fraction of electric field energy stored in a …
openalex
Chen Wang, Christopher Axline, Yvonne Y. Gao, T. Brecht 等
2015-10-19
置信度 0.72
SuperconductivityDielectricCondensed matter physicsQubitSuperconducting quantum computing
-
We investigate the quantum dynamics of a Cooper-pair box with a superconducting loop in the presence of a nonclassical microwave field. We demonstrate the existence of Rabi oscillations for both single- and multiphoton processes and, moreover, we propose a new…
openalex
J. Q. You, Franco Nori
2003-08-22
置信度 0.72
Superconducting quantum computingQubitPhysicsMicrowaveQuantum mechanics
-
We present spectroscopic evidence for the creation of entangled macroscopic quantum states in two current-biased Josephson-junction qubits coupled by a capacitor. The individual junction bias currents are used to control the interaction between the qubits by t…
openalex
A. J. Berkley, Haitan Xu, Roberto Ramos, M. A. Gubrud 等
2003-06-06
置信度 0.72
Superconducting quantum computingQubitPhysicsJosephson effectCluster state
-
openalex
Diego Ristè, M. Dukalski, C. A. Watson, G. de Lange 等
2013-10-15
置信度 0.72
Quantum entanglementQuantum mechanicsQubitPhysicsParity (physics)
-
For the first time in history, we are seeing a branching point in computing paradigms with the emergence of quantum processing units (QPUs). Extracting the full potential of computation and realizing quantum algorithms with a super-polynomial speedup will most…
openalex
Sergey Bravyi, Oliver Dial, Jay Gambetta, Darı́o Gil 等
2022-10-26
置信度 0.72
Superconducting quantum computingQubitSuperconductivityQuantum computerPhysics
-
Abstract As the field of quantum computing advances from the few-qubit stage to larger-scale processors, qubit addressability and extensibility will necessitate the use of 3D integration and packaging. While 3D integration is well-developed for commercial elec…
openalex
D. Rosenberg, D. Kim, R. Das, D. Yost 等
2017-10-04
置信度 0.72
QubitFlux qubitQuantum computerCoherence (philosophical gambling strategy)Chip
-
We present the design of a superconducting qubit that has circulating currents of opposite sign as its two states. The circuit consists of three nanoscale aluminum Josephson junctions connected in a superconducting loop and controlled by magnetic fields. The a…
openalex
Terry P. Orlando, J. E. Mooij, Lin Tian, C. H. van der Wal 等
1999-12-01
置信度 0.72
Flux qubitQubitPhase qubitJosephson effectSuperconductivity
-
We have performed spectroscopy of a superconducting charge qubit coupled nonresonantly to a single mode of an on-chip resonator. The strong coupling induces a large ac Stark shift in the energy levels of both the qubit and the resonator. The dispersive shift o…
openalex
David Schuster, Andreas Wallraff, Alexandre Blais, Luigi Frunzio 等
2005-03-30
置信度 0.72
DephasingQubitCharge qubitPhysicsPhase qubit
-
We use quantum process tomography to characterize a full universal set of all-microwave gates on two superconducting single-frequency single-junction transmon qubits. All extracted gate fidelities, including those for Clifford group generators, single-qubit π/…
openalex
Jerry M. Chow, Jay Gambetta, Antonio Córcoles, Seth Merkel 等
2012-08-09
置信度 0.72
TransmonQubitPauli matricesQuantum gateSuperconducting quantum computing
-
We have studied the dephasing of a superconducting flux qubit coupled to a dc-SQUID based oscillator. By varying the bias conditions of both circuits we were able to tune their effective coupling strength. This allowed us to measure the effect of such a contro…
openalex
P. Bertet, I. Chiorescu, Guido Burkard, Kouichi Semba 等
2005-12-13
置信度 0.72
DephasingQubitPhysicsSuperconductivityCoherence (philosophical gambling strategy)
-
openalex
Rosenberg, D, Kim, D, Das, R, Yost, D 等
2017-01-01
置信度 0.72
QubitFlux qubitChipPhase qubitSuperconducting quantum computing
-
We have observed coherent time evolution between two quantum states of a superconducting flux qubit comprising three Josephson junctions in a loop. The superposition of the two states carrying opposite macroscopic persistent currents is manipulated by resonant…
openalex
I. Chiorescu, Yasunobu Nakamura, C. J. P. M. Harmans, J. E. Mooij
2003-03-20
置信度 0.72
Flux qubitPhase qubitDephasingCharge qubitPhysics
-
If general quantum information processing and communication using superconducting qubits is to be successful, it is crucial to realize fast, single-shot readout with fidelity approaching 100%. Starting from the physics of measurement, the authors explore curre…
openalex
T. Walter, P. Kurpiers, S. Gasparinetti, P. Magnard 等
2017-05-26
置信度 0.72
QubitPhysicsSuperconducting quantum computingQuantum information processingSuperconductivity
-
Quantum error correction is a critical technique for transitioning from noisy intermediate-scale quantum devices to fully fledged quantum computers. The surface code, which has a high threshold error rate, is the leading quantum error correction code for two-d…
openalex
Youwei Zhao, Yangsen Ye, He-Liang Huang, Yiming Zhang 等
2022-07-11
置信度 0.72
Realization (probability)QubitSuperconductivityCode (set theory)Physics
-
We study an LC circuit implemented using a current-biased Josephson junction (CBJJ) as a tunable coupler for superconducting qubits. By modulating the bias current, the junction can be tuned in and out of resonance and entangled with the qubits coupled to it. …
openalex
Alexandre Blais, Alexander Maassen van den Brink, A. M. Zagoskin
2003-03-24
置信度 0.72
QubitSuperconducting quantum computingJosephson effectPhysicsQuantum entanglement
-
We calculate for the current-biased Josephson junction the decoherence of the qubit state from noise and dissipation. The effect of dissipation can be entirely accounted for through a semiclassical noise model that appropriately includes the effect of zero-poi…
openalex
John M. Martinis, Sae Woo Nam, José Aumentado, Kyle M. Lang 等
2003-03-25
置信度 0.72
Quantum decoherencePhysicsCharge qubitNoise (video)Qubit
-
We analyze the accuracy of quantum phase gates acting on ``0-$\ensuremath{\pi}$ qubits'' in superconducting circuits, where the gates are protected against thermal and Hamiltonian noise by continuous-variable quantum error-correcting codes. The gates are execu…
openalex
Peter Brooks, Alexei Kitaev, John Preskill
2013-05-06
置信度 0.72
QubitSuperconducting quantum computingSuperconductivityPhysicsQuantum mechanics
-
The creation of a quantum network requires the distribution of coherent information across macroscopic distances. We demonstrate the entanglement of two superconducting qubits, separated by more than a meter of coaxial cable, by designing a joint measurement t…
openalex
Nicolas Roch, Mollie E. Schwartz, Felix Motzoi, Chris Macklin 等
2014-04-28
置信度 0.72
QubitPhysicsQuantum entanglementQuantum mechanicsW state
-
openalex
L. DiCarlo, Jerry M. Chow, Jay Gambetta, Lev S. Bishop 等
2009-06-28
置信度 0.72
Quantum computerQubitComputer scienceQuantum logicQuantum entanglement
-
As low-loss nonlinear elements, Josephson junctions are the building blocks of superconducting qubits. The interaction of the qubit degree of freedom with the quasiparticles tunneling through the junction represents an intrinsic relaxation mechanism. We develo…
openalex
Gianluigi Catelani, R. J. Schoelkopf, Michel Devoret, L. I. Glazman
2011-08-23
置信度 0.72
QuasiparticleTransmonQubitFlux qubitCondensed matter physics
-
We characterize a superconducting qubit before and after embedding it along with its package in an absorptive medium. We observe a drastic improvement in the effective qubit temperature and over a tenfold improvement in the relaxation time up to 5.7 μs. Our re…
openalex
Antonio Córcoles, Jerry M. Chow, Jay Gambetta, Chad Rigetti 等
2011-10-31
置信度 0.72
QubitQuasiparticleSuperconductivityCoherence (philosophical gambling strategy)Physics
-
Superconducting qubits are solid state electrical circuits fabricated using techniques borrowed from conventional integrated circuits. They are based on the Josephson tunnel junction, the only non-dissipative, strongly non-linear circuit element available at l…
openalex
Michel Devoret, Andreas Wallraff, John M. Martinis
2004-11-07
置信度 0.72
QubitJosephson effectQuantum decoherenceElectronic circuitSpins
-
openalex
Christopher D. Wilen, Syahrul Afzal Che Abdullah, Noah Kurinsky, C. Stanford 等
2021-06-16
置信度 0.72
QubitPhysicsQuantum error correctionSuperconducting quantum computingNoise (video)