Place, A. P. M. et al. New material platform for superconducting transmon qubits with coherence times exceeding 0.3 milliseconds. Nat. Commun. 12, 1779 (2021).
Google Scholar
Crowley, K. D. et al. Disentangling losses in tantalum superconducting circuits. Phys. Rev. X 13, 041005 (2023).
Google Scholar
Google Quantum AI and Collaborators. Quantum error correction below the surface code threshold. Nature 638, 920–926 (2025).
Google Scholar
Krinner, S. et al. Realizing repeated quantum error correction in a distance-three surface code. Nature 605, 669–674 (2022).
Google Scholar
Gong, M. et al. Experimental exploration of five-qubit quantum error-correcting code with superconducting qubits. Natl Sci. Rev. 9, nwab011 (2021).
Google Scholar
Sivak, V. V. et al. Real-time quantum error correction beyond break-even. Nature 616, 50–55 (2023).
Google Scholar
Ofek, N. et al. Extending the lifetime of a quantum bit with error correction in superconducting circuits. Nature 536, 441–445 (2016).
Google Scholar
Barends, R. et al. Digital quantum simulation of fermionic models with a superconducting circuit. Nat. Commun. 6, 7654 (2015).
Google Scholar
Kandala, A. et al. Hardware-efficient variational quantum eigensolver for small molecules and quantum magnets. Nature 549, 242–246 (2017).
Google Scholar
Marcos, D., Rabl, P., Rico, E. & Zoller, P. Superconducting circuits for quantum simulation of dynamical gauge fields. Phys. Rev. Lett. 111, 110504 (2013).
Google Scholar
Zhang, K. et al. Synthesizing five-body interaction in a superconducting quantum circuit. Phys. Rev. Lett. 128, 190502 (2022).
Google Scholar
Mi, X. et al. Time-crystalline eigenstate order on a quantum processor. Nature 601, 531–536 (2022).
Google Scholar
Kollár, A. J., Fitzpatrick, M. & Houck, A. A. Hyperbolic lattices in circuit quantum electrodynamics. Nature 571, 45–50 (2019).
Google Scholar
Andersen, T. I. et al. Thermalization and criticality on an analogue-digital quantum simulator. Nature 638, 79–85 (2025).
Google Scholar
Nguyen, L. B. et al. High-coherence fluxonium qubit. Phys. Rev. X 9, 041041 (2019).
Google Scholar
Grimm, A. et al. Stabilization and operation of a Kerr-cat qubit. Nature 584, 205–209 (2020).
Google Scholar
Gyenis, András et al. Experimental realization of a protected superconducting circuit derived from the 0–π qubit. PRX Quantum 2, 010339 (2021).
Google Scholar
Ganjam, S. et al. Surpassing millisecond coherence in on chip superconducting quantum memories by optimizing materials and circuit design. Nat. Commun. 15, 3687 (2024).
Google Scholar
Wang, C. et al. Towards practical quantum computers: transmon qubit with a lifetime approaching 0.5 milliseconds. npj Quantum Inf. 8, 3 (2022).
Google Scholar
Gao, D. et al. Establishing a new benchmark in quantum computational advantage with 105-qubit Zuchongzhi 3.0 processor. Phys. Rev. Lett. 134, 090601 (2025).
Google Scholar
Gordon, R. T. et al. Environmental radiation impact on lifetimes and quasiparticle tunneling rates of fixed-frequency transmon qubits. Appl. Phys. Lett. 120, 074002 (2022).
Google Scholar
Deng, H. et al. Titanium nitride film on sapphire substrate with low dielectric loss for superconducting qubits. Phys. Rev. Appl. 19, 024013 (2023).
Google Scholar
Biznárová, J. et al. Mitigation of interfacial dielectric loss in aluminum-on-silicon superconducting qubits. npj Quantum Inf. 10, 78 (2024).
Google Scholar
Bal, M. et al. Systematic improvements in transmon qubit coherence enabled by niobium surface encapsulation. npj Quantum Inf. 10, 43 (2024).
Google Scholar
Kono, S. et al. Mechanically induced correlated errors on superconducting qubits with relaxation times exceeding 0.4 ms. Nat. Commun. 15, 3950 (2024).
Google Scholar
Tuokkola, M. et al. Methods to achieve near-millisecond energy relaxation and dephasing times for a superconducting transmon qubit. Nat. Commun. 16, 5421 (2025).
Google Scholar
Read, A. P. et al. Precision measurement of the microwave dielectric loss of sapphire in the quantum regime with parts-per-billion sensitivity. Phys. Rev. Appl. 19, 034064 (2023).
Google Scholar
Zhang, Z.-H. et al. Acceptor-induced bulk dielectric loss in superconducting circuits on silicon. Phys. Rev. X 14, 041022 (2024).
Google Scholar
Lozano, D. P. et al. Low-loss α-tantalum coplanar waveguide resonators on silicon wafers: fabrication, characterization and surface modification. Mater. Quantum Technol. 4, 025801 (2024).
Google Scholar
Martinis, J. M. & Megrant, A. UCSB final report for the CSQ program: review of decoherence and materials physics for superconducting qubits. Preprint at https://arxiv.org/abs/1410.5793 (2014).
McRae, C. R. H. et al. Reproducible coherence characterization of superconducting quantum devices. Appl. Phys. Lett. 119, 100501 (2021).
Google Scholar
Klimov, P. V. et al. Fluctuations of energy-relaxation times in superconducting qubits. Phys. Rev. Lett. 121, 090502 (2018).
Google Scholar
Wang, C. et al. Surface participation and dielectric loss in superconducting qubits. Appl. Phys. Lett. 107, 162601 (2015).
Google Scholar
Schlör, S. et al. Correlating decoherence in transmon qubits: low frequency noise by single fluctuators. Phys. Rev. Lett. 123, 190502 (2019).
Google Scholar
Cywiński, Ł., Lutchyn, R. M., Nave, C. P. & Das Sarma, S. How to enhance dephasing time in superconducting qubits. Phys. Rev. B 77, 174509 (2008).
Google Scholar
Dwyer, B. L. et al. Probing spin dynamics on diamond surfaces using a single quantum sensor. PRX Quantum 3, 040328 (2022).
Google Scholar
Viola, L. & Lloyd, S. Dynamical suppression of decoherence in two-state quantum systems. Phys. Rev. A 58, 2733–2744 (1998).
Google Scholar
Bylander, J. et al. Noise spectroscopy through dynamical decoupling with a superconducting flux qubit. Nat. Phys. 7, 565–570 (2011).
Google Scholar
Yan, F. et al. The flux qubit revisited to enhance coherence and reproducibility. Nat. Commun. 7, 12964 (2016).
Google Scholar
Yan, F. et al. Distinguishing coherent and thermal photon noise in a circuit quantum electrodynamical system. Phys. Rev. Lett. 120, 260504 (2018).
Google Scholar
Bertet, P. et al. Dephasing of a superconducting qubit induced by photon noise. Phys. Rev. Lett. 95, 257002 (2005).
Schuster, D. I. et al. ac Stark shift and dephasing of a superconducting qubit strongly coupled to a cavity field. Phys. Rev. Lett. 94, 123602 (2005).
Google Scholar
Knill, E. et al. Randomized benchmarking of quantum gates. Phys. Rev. A 77, 012307 (2008).
Google Scholar
Wood, C. J. & Gambetta, J. M. Quantification and characterization of leakage errors. Phys. Rev. A 97, 032306 (2018).
Google Scholar
Gambetta, J. M., Motzoi, F., Merkel, S. T. & Wilhelm, F. K. Analytic control methods for high-fidelity unitary operations in a weakly nonlinear oscillator. Phys. Rev. A 83, 012308 (2011).
Google Scholar
Chow, J. M. et al. Optimized driving of superconducting artificial atoms for improved single-qubit gates. Phys. Rev. A 82, 040305 (2010).
Google Scholar
Li, Z. et al. Error per single-qubit gate below 10−4 in a superconducting qubit. npj Quantum Inf. 9, 111 (2023).
Google Scholar
Hyyppä, E. et al. Reducing leakage of single-qubit gates for superconducting quantum processors using analytical control pulse envelopes. PRX Quantum 5, 030353 (2024).
Google Scholar
Sunada, Y. et al. Photon-noise-tolerant dispersive readout of a superconducting qubit using a nonlinear Purcell filter. PRX Quantum 5, 010307 (2024).
Google Scholar
Zhang, G., Liu, Y., Raftery, J. J. & Houck, A. A. Suppression of photon shot noise dephasing in a tunable coupling superconducting qubit. npj Quantum Inf. 3, 1 (2017).
Google Scholar
Chang, R. D. et al. Eliminating surface oxides of superconducting circuits with noble metal encapsulation. Phys. Rev. Lett. 134, 097001 (2025).
Google Scholar
Bhatia, E. et al. Chemical mechanical planarization for Ta-based superconducting quantum devices. J. Vac. Sci. Technol. B 41, 033202 (2023).
Google Scholar
Van Damme, J. et al. Advanced CMOS manufacturing of superconducting qubits on 300 mm wafers. Nature 634, 74–79 (2024).
Google Scholar
Tripathi, V. et al. Suppression of crosstalk in superconducting qubits using dynamical decoupling. Phys. Rev. Appl. 18, 024068 (2022).
Google Scholar
Connolly, T. et al. Coexistence of nonequilibrium density and equilibrium energy distribution of quasiparticles in a superconducting qubit. Phys. Rev. Lett. 132, 217001 (2024).
Google Scholar
Bahrami, F. et al. Vortex motion induced losses in tantalum resonators. Preprint at https://arxiv.org/abs/2503.03168 (2025).
McEwen, M. et al. Resolving catastrophic error bursts from cosmic rays in large arrays of superconducting qubits. Nat. Phys. 18, 107–111 (2021).
Google Scholar
Harrington, P. M. et al. Synchronous detection of cosmic rays and correlated errors in superconducting qubit arrays. Nat. Commun. 16, 6428 (2025).
Google Scholar
Cao, Z. H., Li, P. Y. & Meng, X. K. Nanoindentation creep behaviors of amorphous, tetragonal, and bcc Ta films. Mater. Sci. Eng. A 516, 253–258 (2009).
Google Scholar
Stefanazzi, L. et al. The QICK (Quantum Instrumentation Control Kit): readout and control for qubits and detectors. Rev. Sci. Instrum. 93, 044709 (2022).
Google Scholar
■ مصدر الخبر الأصلي
نشر لأول مرة على: www.nature.com
تاريخ النشر: 2025-11-05 02:00:00
الكاتب: Matthew P. Bland
تنويه من موقع “yalebnan.org”:
تم جلب هذا المحتوى بشكل آلي من المصدر:
www.nature.com
بتاريخ: 2025-11-05 02:00:00.
الآراء والمعلومات الواردة في هذا المقال لا تعبر بالضرورة عن رأي موقع “yalebnan.org”، والمسؤولية الكاملة تقع على عاتق المصدر الأصلي.
ملاحظة: قد يتم استخدام الترجمة الآلية في بعض الأحيان لتوفير هذا المحتوى.
