{"id":618595,"date":"2026-09-08T21:14:16","date_gmt":"2026-09-08T21:14:16","guid":{"rendered":"https:\/\/www.newsbeep.com\/ie\/618595\/"},"modified":"2026-09-08T21:14:16","modified_gmt":"2026-09-08T21:14:16","slug":"a-cascaded-random-access-quantum-memory","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/ie\/618595\/","title":{"rendered":"A cascaded random access quantum memory"},"content":{"rendered":"

Ofek, N. et al. Extending the lifetime of a quantum bit with error correction in superconducting circuits. Nature 536, 441 (2016).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Takeda, K., Noiri, A., Nakajima, T., Kobayashi, T. & Tarucha, S. Quantum error correction with silicon spin qubits. Nature 608, 682 (2022).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Ryan-Anderson, C. et al. Realization of real-time fault-tolerant quantum error correction. Phys. Rev. X 11, 041058 (2021).<\/p>\n


\n Google Scholar<\/a>\u00a0\n <\/p>\n

Sivak, V. V. et al. Real-time quantum error correction beyond break-even. Nature 616, 50 (2023).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Bluvstein, D. et al. Logical quantum processor based on reconfigurable atom arrays. Nature 626, 58 (2024).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Acharya, R. et al. Quantum error correction below the surface code threshold. Nature 638, 920 (2025).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Baker, J. M., Schuster, D. I. & Chong, F. T. Memory-equipped quantum architectures: the power of random access. In Proc. ACM, PACT \u201920 (eds Sarkar, V. & Kim, H.) 387\u2013398 https:\/\/doi.org\/10.1145\/3410463.3414644<\/a> (Association for Computing Machinery, 2020).<\/p>\n

Duckering, C., Baker, J. M., Schuster, D. I. & Chong, F. T. Virtualized logical qubits: a 2.5D architecture for error-corrected quantum computing. In IEEE\/ACM Int. Symp. on Microarchitecture (MICRO) 173\u2013185 https:\/\/doi.org\/10.1109\/MICRO50266.2020.00026<\/a> (IEEE, 2020).<\/p>\n

Pietik\u00e4inen, I. et al. Strategies and trade-offs for controllability and memory time of ultra-high-quality microwave cavities in circuit quantum electrodynamics. PRX Quantum 5, 040307 (2024).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Willke, P. et al. Hyperfine interaction of individual atoms on a surface. Science 362, 336 (2018).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Jiang, N., Pu, Y.-F., Chang, W., Li, C., Zhang, S. & Duan, L.-M. Experimental realization of 105-qubit random access quantum memory. npj Quantum Inf. 5, 28 (2019).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Koch, J. et al. Charge-insensitive qubit design derived from the Cooper pair box. Phys. Rev. A 76, 042319 (2007).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Manucharyan, V. E., Koch, J., Glazman, L. I. & Devoret, M. H. Fluxonium: single Cooper-pair circuit free of charge offsets. Science 326, 113 (2009).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Romanenko, A. et al. Three-dimensional superconducting resonators at 20 mK with photon lifetimes up to \u03c4 = 2 s. Phys. Rev. Appl. 13, 034032 (2020).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Milul, O. et al. Superconducting cavity qubit with tens of milliseconds single-photon coherence time. PRX Quantum 4, 030336 (2023).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Oriani, A. E. et al. Niobium coaxial cavities with internal quality factors exceeding 1.4 \u00d7 109 for circuit quantum electrodynamics. Phys. Rev. Appl. 24, 044080 (2025).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

MacCabe, G. S. et al. Nano-acoustic resonator with ultralong phonon lifetime. Science 370, 840 (2020).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Beccari, A. et al. Strained crystalline nanomechanical resonators with quality factors above 10 billion. Nat. Phys. 18, 436 (2022).<\/p>\n

Article<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Dania, L. et al. Ultrahigh quality factor of a levitated nanomechanical oscillator. Phys. Rev. Lett. 132, 133602 (2024).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Cupertino, A. et al. Centimeter-scale nanomechanical resonators with low dissipation. Nat. Commun. 15, 4255 (2024).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Ruskuc, A., Wu, C.-J., Rochman, J., Choi, J. & Faraon, A. Nuclear spin-wave quantum register for a solid-state qubit. Nature 602, 408 (2022).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Gyenis, A. et al. Moving beyond the transmon: noise-protected superconducting quantum circuits. PRX Quantum 2, 030101 (2021).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

K., Kalashnikov et al. Bifluxon: fluxon-parity-protected superconducting qubit. PRX Quantum https:\/\/doi.org\/10.1103\/prxquantum.1.010307<\/a> (2020).<\/p>\n

Gyenis, A. et al. Experimental realization of a protected superconducting circuit derived from the 0\u2013\u03c0 qubit. PRX Quantum 2, 010339 (2021).<\/p>\n

Article<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Giovannetti, V., Lloyd, S. & Maccone, L. Quantum random access memory. Phys. Rev. Lett. 100, 160501 (2008).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n MathSciNet<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Weiss, D., Puri, S. & Girvin, S. Quantum random access memory architectures using 3D superconducting cavities. PRX Quantum 5, 020312 (2024).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Miao, C., L\u00e9ger, S., Li, Z., Lee, G., Jiang, L. & Schuster, D. I. Implementation of a quantum addressable router using superconducting qubits. PRX Quantum 6, 040335 (2025).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Horsman, D., Fowler, A. G., Devitt, S. & Meter, R. V. Surface code quantum computing by lattice surgery. New J. Phys. 14, 123011 (2012).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n MathSciNet<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Zhou, H. et al. Low-overhead transversal fault tolerance for universal quantum computation. Nature 646, 303\u2013308 (2025).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Chakram, S. et al. Seamless high-q microwave cavities for multimode circuit quantum electrodynamics. Phys. Rev. Lett. 127, 107701 (2021).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Heeres, R. W. et al. Implementing a universal gate set on a logical qubit encoded in an oscillator. Nat. Commun. https:\/\/doi.org\/10.1038\/s41467-017-00045-1<\/a> (2017).<\/p>\n

Eickbusch, A. et al. Fast universal control of an oscillator with weak dispersive coupling to a qubit. Nat. Phys. 18, 1464 (2022).<\/p>\n

Article<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Krastanov, S. et al. Universal control of an oscillator with dispersive coupling to a qubit. Phys. Rev. A 92, 040303 (2015).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Huang, J. et al. Fast sideband control of a multimode cavity memory with weak dispersive coupling to a transmon. Phys. Rev. X 16, 011058 (2026).<\/p>\n


\n Google Scholar<\/a>\u00a0\n <\/p>\n

Lu, Y. et al. High-fidelity parametric beamsplitting with a parity-protected converter. Nat. Commun. 14, 5767 (2023).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Michael, M. H. et al. New class of quantum error-correcting codes for a bosonic mode. Phys. Rev. X 6, 031006 (2016).<\/p>\n


\n Google Scholar<\/a>\u00a0\n <\/p>\n

Teoh, J. D. et al. Dual-rail encoding with superconducting cavities. Proc. Natl Acad. Sci. USA 120, e2221736120 (2023).<\/p>\n

Article<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Levine, H. et al. Demonstrating a long-coherence dual-rail erasure qubit using tunable transmons. Phys. Rev. X 14, 011051 (2024).<\/p>\n


\n Google Scholar<\/a>\u00a0\n <\/p>\n

Pechal, M. et al. Microwave-controlled generation of shaped single photons in circuit quantum electrodynamics. Phys. Rev. X 4, 041010 (2014).<\/p>\n


\n Google Scholar<\/a>\u00a0\n <\/p>\n

Chakram, S. et al. Multimode photon blockade. Nat. Phys. 18, 879 (2022).<\/p>\n

Article<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Zorin, A. Flux-driven josephson traveling-wave parametric amplifier. Phys. Rev. Appl. 12, 044051 (2019).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Chapman, B. J. et al. High-on-off-ratio beam-splitter interaction for gates on bosonically encoded qubits. PRX Quantum 4, 020355 (2023).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Maiti, A. et al. Linear quantum coupler for clean bosonic control. PRX Quantum 6, 040326 (2025).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Reiner, J. et al. High-fidelity initialization and control of electron and nuclear spins in a four-qubit register. Nat. Nanotechnol. 19, 605 (2024).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Campagne-Ibarcq, P. et al. Quantum error correction of a qubit encoded in grid states of an oscillator. Nature 584, 368 (2020).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Ni, Z. et al. Beating the break-even point with a discrete-variable-encoded logical qubit. Nature 616, 56 (2023).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Chou, K. S. et al. A superconducting dual-rail cavity qubit with erasure-detected logical measurements. Nat. Phys. 20, 1454 (2024).<\/p>\n

Article<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Koottandavida, A. et al. Erasure detection of a dual-rail qubit encoded in a double-post superconducting cavity. Phys. Rev. Lett. 132, 180601 (2024).<\/p>\n

Article<\/a>\u00a0
\n ADS<\/a>\u00a0
\n
\n Google Scholar<\/a>\u00a0\n <\/p>\n

Schuster, D. I. et al. A cascaded random access quantum memory figshare dataset. figshare https:\/\/doi.org\/10.6084\/m9.figshare.32736012<\/a> (2026).<\/p>\n","protected":false},"excerpt":{"rendered":"Ofek, N. et al. Extending the lifetime of a quantum bit with error correction in superconducting circuits. Nature…\n","protected":false},"author":2,"featured_media":618596,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24],"tags":[2301,2300,2304,1440,1437,61,60,2299,2302,2303,248,6112,5335,82,2298],"class_list":["post-618595","post","type-post","status-publish","format-standard","has-post-thumbnail","category-physics","tag-atomic","tag-classical-and-continuum-physics","tag-complex-systems","tag-condensed-matter-physics","tag-general","tag-ie","tag-ireland","tag-mathematical-and-computational-physics","tag-molecular","tag-optical-and-plasma-physics","tag-physics","tag-quantum-information","tag-quantum-physics","tag-science","tag-theoretical"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/618595","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/comments?post=618595"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/posts\/618595\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media\/618596"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/media?parent=618595"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/categories?post=618595"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/ie\/wp-json\/wp\/v2\/tags?post=618595"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}