{"total":15,"items":[{"citing_arxiv_id":"2607.02164","ref_index":8,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"A Structure Theorem for Phase-Space Representations of Continuous-Variable Quantum Error-Correcting Codes","primary_cat":"quant-ph","submitted_at":"2026-07-02T13:35:10+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Applies structure theorem for quasiprobability representations to bosonic QEC codes to obtain general phase-space representations and error structures for GKP, cat, and binomial codes.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.22753","ref_index":48,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Wigner-Negative Magnon Steady States from Incoherent Qubit Pumping","primary_cat":"quant-ph","submitted_at":"2026-06-22T01:46:34+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Incoherent qubit pumping combined with dispersive magnon-number selectivity stabilizes Wigner-negative magnon Fock states, with an analytical birth-death model matching numerics.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"a Hybrid Magnon-Superconducting Qubit System, Ann. Phys. (Berlin)538, e70185 (2026). [46] Z.-Y. Jin and J. Jing, Stabilizing a single-magnon state by optimizing magnon blockade, Phys. Rev. A110, 012459 (2024). [47] S.-Y. Li and A.-D. Zhu, Perfect Single-Magnon Gener- ator Based on a Hybrid Cavity-Magnonic System, Ann. Phys. (Berlin)534, 2100609 (2022). [48] A. Blais, R.-S. Huang, A. Wallraff, S. M. Girvin, and R. J. Schoelkopf, Cavity quantum electrodynamics for superconducting electrical circuits: An architecture for quantum computation, Phys. Rev. A69, 062320 (2004). [49] A. Wallraff, D. I. Schuster, A. Blais, L. Frunzio, R.-S. Huang, J. Majer, S. Kumar, S. M. Girvin, and R. J. Schoelkopf, Strong coupling of a single photon to a su-"},{"citing_arxiv_id":"2606.18408","ref_index":38,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Characterization of nested Walsh parity-check filters in a single-photon eight-mode register on a cloud photonic processor","primary_cat":"quant-ph","submitted_at":"2026-06-16T19:01:47+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Experimental tests of parity-check filters in a single-photon eight-mode photonic register on Quandela's Belenos processor show mean 0.6% DC leakage with 21x suppression and 94-99% syndrome channel selectivity.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.04277","ref_index":36,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Continuous-Variable Quantum State Tomography Enabled by Quantum Mirrors","primary_cat":"quant-ph","submitted_at":"2026-06-02T23:03:55+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Quantum mirrors transfer complete photonic continuous-variable state information to an atomic control system, enabling tomography via atom measurements alone using kernel functions and Wigner reconstruction.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2606.00216","ref_index":7,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Phase-Sensitive Crystal-Edge Effects in Linear Optical Parametric Oscillators: Why Nominally Identical Squeezers Behave Differently","primary_cat":"quant-ph","submitted_at":"2026-05-29T18:00:02+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"Microscopic phase contributions from crystal edges produce large threshold variations in nominally identical linear OPOs, traced via SHG and threshold measurements on three devices.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.26528","ref_index":113,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Crosstalk In Contemporary Quantum Devices","primary_cat":"quant-ph","submitted_at":"2026-05-26T04:19:52+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":1.0,"formal_verification":"none","one_line_summary":"Review synthesizing crosstalk mechanisms, mitigation strategies, and security vulnerabilities across major quantum computing platforms from existing literature.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2605.13271","ref_index":7,"ref_count":2,"confidence":0.88,"is_internal_anchor":false,"paper_title":"OAM-Induced Lattice Rotation Reveals a Fractional Optimum in Fault-Tolerant GKP Quantum Sensing","primary_cat":"quant-ph","submitted_at":"2026-05-13T09:49:16+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Fractional OAM charge ℓ=1.5 induces an optimal 67.5° GKP lattice rotation that reduces error rate 23.9× with <0.2% loss in Fisher information and yields 41% higher metrological capacity.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"Fault-tolerant quantum metrology addresses this gap by encoding the probe in a quantum error-correcting code [4-6]. Among continuous-variable (CV) codes, the Gottesman-Kitaev-Preskill (GKP) code stands out: it encodes a logical qubit into a lattice of squeezed states in phase space and corrects small displacement errors- the precise type of error induced by photon loss [7]. Re- cent theoretical work has established that GKP-encoded probes can achieve Heisenberg-limited sensitivity even in a lossy bosonic channel [6], fault-tolerance thresholds for GKP codes under general Markovian noise have been proven [8], and tight bounds on the sensing precision of GKP codes under photon loss as a function of finite squeezing have recently been established [9]."},{"citing_arxiv_id":"2605.12588","ref_index":46,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Coherent control of spinmons","primary_cat":"cond-mat.mes-hall","submitted_at":"2026-05-12T18:00:00+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":7.0,"formal_verification":"none","one_line_summary":"Proposes spinmon qubits that entangle transmon states with Andreev quasiparticle spins for coherent control and noise robustness in superconducting systems.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":",Semiconductor-Ferromagnetic Insulator-Superconductor Nanowires: Stray Field and Exchange Field, Nano Letters20(1), 456-462 (2019), doi:10.1021/acs.nanolett.9b04187. [45]S. Vaitiek ˙enas, Y. Liu, P . Krogstrup and C. M. Marcus,Zero-bias peaks at zero mag- netic field in ferromagnetic hybrid nanowires, Nature Physics17(1), 43-47 (2020), doi:10.1038/s41567-020-1017-3. [46]S. Vaitiek ˙enas, R. S. Souto, Y. Liu, P . Krogstrup, K. Flensberg, M. Leijnse and C. M. Marcus,Evidence for spin-polarized bound states in semiconductor- superconductor-ferromagnetic-insulator islands, Phys. Rev. B105, L041304 (2022), doi:10.1103/PhysRevB.105.L041304. [47]L. Jiang, M. Gupta, C. Riggert, M. Pendharkar, C. Dempsey , S. Lee, S. D. Harrington, C."},{"citing_arxiv_id":"2605.12385","ref_index":26,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Lower overhead fault-tolerant building blocks for noisy quantum computers","primary_cat":"quant-ph","submitted_at":"2026-05-12T16:47:51+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":5.0,"formal_verification":"none","one_line_summary":"New combinatorial proofs and circuit designs for quantum error correction reduce physical qubit overhead by up to 10x and time overhead by 2-6x for codes including Steane, Golay, and surface codes.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2604.17303","ref_index":14,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Efficient characterization of general Gottesman-Kitaev-Preskill qubits","primary_cat":"quant-ph","submitted_at":"2026-04-19T07:36:55+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"A family of positive semidefinite operators is introduced that witnesses arbitrary logical GKP qubit states and enables their efficient characterization via three quadrature measurements.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2604.06149","ref_index":99,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Error Correction in Lattice Quantum Electrodynamics with Quantum Reference Frames","primary_cat":"quant-ph","submitted_at":"2026-04-07T17:51:56+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Lattice QED is established as a quantum error-correcting code beyond stabilizers, with explicit recovery operations constructed via quantum reference frames for gauge and fermionic sectors.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"1007/BF01206179. [97] C. J. Fewster and R. Verch. \"Quantum fields and local measurements\". In:Commun. Math. Phys. 378.2 (2020), pp. 851-889.doi:10.1007/s00220-020-03800-6. [98] B. M. Terhal, J Conrad, and C Vuillot. \"Towards scalable bosonic quantum error correction\". In: Quantum Science and Technology5.4 (2020), p. 043001.doi:10.1088/2058-9565/ab98a5. [99] D. Gottesman, A. Kitaev, and J. Preskill. \"Encoding a qubit in an oscillator\". In:Phys. Rev. A64 (2001), p. 012310.doi:10.1103/PhysRevA.64.012310. [100] V. V. Albert, J. P. Covey, and J. Preskill. \"Robust Encoding of a Qubit in a Molecule\". In:Phys. Rev. X 10 (2020), p. 031050.doi:10.1103/PhysRevX.10.031050. [101] P. Raynal, A. Kalev, J. Suzuki, and B."},{"citing_arxiv_id":"2604.00212","ref_index":57,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Building Block For Universal Continuous Variables Computation In Superconducting Devices","primary_cat":"quant-ph","submitted_at":"2026-03-31T20:28:26+00:00","verdict":"ACCEPT","verdict_confidence":"MODERATE","novelty_score":6.5,"formal_verification":"none","one_line_summary":"A two-layer superconducting architecture using DC-SQUIDs and fluxonium qubits achieves universal continuous-variable quantum gates with simulation fidelities exceeding 98%.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2512.00543","ref_index":7,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Hybridization of pulse and continuous-wave based optical quantum computation","primary_cat":"quant-ph","submitted_at":"2025-11-29T16:27:54+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":6.0,"formal_verification":"none","one_line_summary":"Hybrid pulsed-CW architecture for optical quantum computation with experimental proof-of-principle of ultrafast homodyne detection on pulsed single-photon states yielding W(0,0) = -0.153.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null},{"citing_arxiv_id":"2506.09794","ref_index":72,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Wasserstein Distances on Quantum Structures: an Overview","primary_cat":"quant-ph","submitted_at":"2025-06-11T14:39:33+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":2.0,"formal_verification":"none","one_line_summary":"A literature review synthesizing developments in quantum Wasserstein distances, their applications, and unresolved questions.","context_count":1,"top_context_role":"background","top_context_polarity":"background","context_text":"5, despite much progress and research over the last decade it appears that there is yet no 'true' quantum generalisation of the classical Wasserstein distances. Differences between the classical and ∗emily.beatty@ens-lyon.fr 1 quantum settings, grounded in non-commutativity and entanglement, mean that verbatim translations of definitions are not straightforward. The quantum marginal problem [72] is a barrier to a quantum version of the gluing lemma which is a key step in the proof of the triangle inequality in the classical setting [139, page 94], and defining a cost matrix for a given underlying geometric structure of a quantum system proves to be a difficult task (see Section 5). Each of the current definitions has chosen something to sacrifice - such as the triangle inequality [33], flexibility in"},{"citing_arxiv_id":"2404.06438","ref_index":20,"ref_count":1,"confidence":0.88,"is_internal_anchor":false,"paper_title":"Non-Gaussian state teleportation with a nonlinear feedforward","primary_cat":"quant-ph","submitted_at":"2024-04-09T16:29:27+00:00","verdict":"UNVERDICTED","verdict_confidence":"LOW","novelty_score":4.0,"formal_verification":"none","one_line_summary":"Nonlinear feedforward in deterministic and probabilistic teleportation reduces noise and improves nonlinear squeezing transfer for non-Gaussian states in small CV cluster states.","context_count":0,"top_context_role":null,"top_context_polarity":null,"context_text":null}],"limit":50,"offset":0}