Quantum Computing Briefing — June 10–20, 2026
Shape of the week: heavy on roadmaps, deployments, capital markets and policy — light on
new hardware performance records. No peer-reviewed qubit-count / gate-fidelity / coherence record
landed in-window. The two strongest substance items are an AI-discovered batch of QEC codes (design-stage)
and the first national procurement of a cat-qubit machine.
1 · Top takeaways
- IBM uses LLM-guided evolutionary search to discover 465 new qLDPC codes, including a [[288,50,8]] code (50 logical qubits vs. a prior record of 16 in that family) — code design, not a hardware error-rate demo (Reported, Jun 13).
- France buys an 18-cat-qubit Alice & Bob machine — the first national procurement of a cat-qubit (bosonic, bias-preserving) system (Reported, Jun 17).
- QuEra "Libra" 2028 fault-tolerant roadmap + expanded AWS Braket — targets >256 logical qubits and ~10⁻⁶ logical error rate; a commitment, not a delivered system (Projected, Jun 15).
- Capital-markets / policy wave continues — EigenQ $3B SPAC, Atom Computing $300M, SandboxAQ $500M CHIPS award, plus US/UK/Japan legislation and standards moves.
2 · By area
Error correction & fault tolerance
- IBM "OpenEvolve" LLM + evolutionary search discovers 465 QEC codes. Reported The framework navigated the bivariate-bicycle qLDPC space and found 465 codes including a [[288,50,8]] (50 logical qubits) and a 72-physical-qubit variant; open-sourced on GitHub. Hype check: these are code-design results, not error-rate demonstrations on hardware. (IBM Research blog / Quantum Computing Report, Jun 13.)
- Quantum Art reports verified fault-tolerant thresholds for trapped-ion multi-qubit (>2-qubit) gates. Reported Potentially meaningful, but single-vendor and awaiting peer review — see Watch list. (Quantum Computing Report, Jun 16.)
Hardware & modalities
- France acquires an 18-cat-qubit Alice & Bob system (signed at VivaTech). Reported Funded via France's HQI under France 2030; to be deployed at CEA's TGCC beside Joliot-Curie, delivered to users in 2027. First state-scale bet on the cat-qubit error-suppression approach. (Alice & Bob / GENCI / The Quantum Insider, Jun 17.)
- China's Origin Wukong integrates native post-quantum cryptography ("Origin Rock"). Reported The 72-qubit third-gen superconducting system now bundles a software PQC module. Hype check: PQC here is a classical software layer on the control stack, not a quantum hardware advance. (Global Times / Quantum Computing Report, Jun 17.)
Industry & ecosystem — roadmaps, deployments, products
- QuEra "Libra" 2028 fault-tolerant roadmap + expanded AWS Braket hosting. Projected Neutral-atom machine targeting >256 logical qubits, ~10⁻⁶ logical error rate and ~1M reliable logical operations ("megaquop") by 2028. Treat the numbers as targets. (AWS Quantum blog / The Quantum Insider, Jun 15.)
- PsiQuantum breaks ground on a utility-scale photonic facility (Moreton Bay, Australia) and opens a "Poseidon" cryogenic test lab at Griffith University. Reported Distinct from the previously-reported $100M Dept. of Commerce LOI. (PsiQuantum / Quantum Computing Report, Jun 17.)
- IQM deploys its first U.S. quantum computer at Oak Ridge National Lab Reported (Jun 16); IQM Radiance 54 goes live at CINECA (Italy) (Jun 11); Pasqal inaugurates Italy's first neutral-atom system at CINECA (Jun 11).
- ID Quantique + IonQ launch Clavis XG Multiplex for QKD over metro networks. Reported (Jun 17.)
Funding & markets
- EigenQ to go public via $3B SPAC (Silicon Valley Acquisition Corp; Nasdaq: EIGQ); PQC-focused, ~$215M cash, partners include HPE and AMD; close expected Q4 2026. Reported (Jun 17.)
- Atom Computing reaches a $300M funding milestone for fault-tolerant neutral-atom hardware. Reported (Jun 16.)
- SandboxAQ secures a $500M CHIPS Act R&D award. Reported (Jun 17.)
Policy, standards & security
- U.S. bipartisan bill (H.R. 9318) — National Security Commission on Quantum Computing Act of 2026 (Reps. Lawler & Ryan); 11-member commission on foreign dependencies, supply chains and workforce. Reported (Jun 18.)
- UK launches a £10M National Quantum Standards Network. Reported (Jun 16.)
- UK–Japan Frontier Technology Partnership ratified, aligning quantum initiatives. Reported (Jun 15.)
3 · Watch list
- Quantum Art — fault-tolerant thresholds for trapped-ion multi-qubit gates; vendor-reported, needs peer review (Jun 16).
- Nu Quantum — subsystem erasure-tolerance demo in a networked-QPU architecture (Jun 11); plus an Atom Computing × Nu Quantum transatlantic alliance to network neutral-atom QPUs (Jun 17).
- Quandela — selected for Stage A of DARPA's Quantum Benchmarking Initiative (Jun 16).
- D-Wave — gate-model quantum simulator for error-aware programming (Jun 18, software).
- EeroQ — electron-on-helium (eHe) qubit advance (Jun 16, niche modality, vendor-reported).
- Diraq — opens U.S. HQ in Palo Alto (Jun 18, corporate, not a tech milestone).
- Borderline pre-window: OQC $350M Series C and IBM's $10B commitment both landed ~Jun 2–3.
4 · Quiet areas
- Google Quantum AI: no in-window hardware/QEC news; Milestone 3 remains the stated next target.
- Hardware performance records: no peer-reviewed qubit-count / gate-fidelity / coherence record in-window.
- Algorithms / quantum-advantage claims or refutations: quiet — no new advantage claim or dequantization.
- Real-time decoding / below-threshold demos: none new (USTC and Google results predate the window).
Sources
- [Reported] IBM Research — AI for quantum error correction · Jun 13, 2026.
- [Reported] France acquires Alice & Bob cat-qubit machine — The Quantum Insider · Jun 17, 2026.
- [Projected] AWS × QuEra "Libra" 2028 roadmap — AWS Quantum blog · Jun 15, 2026.
- [Reported] PsiQuantum breaks ground at Moreton Bay — Quantum Computing Report · Jun 17, 2026.
- [Reported] Origin Wukong integrates PQC — Quantum Computing Report · Jun 17, 2026.
- [Reported] EigenQ $3B SPAC — Quantum Computing Report · Jun 17, 2026.
- [Reported] Atom Computing $300M — Quantum Computing Report · Jun 16, 2026.
- [Reported] SandboxAQ $500M CHIPS award — Quantum Computing Report · Jun 17, 2026.
- [Reported] IQM at Oak Ridge — Quantum Computing Report · Jun 16, 2026.
- [Reported] Pasqal at CINECA — Quantum Computing Report · Jun 11, 2026.
- [Reported] National Security Commission on Quantum Computing Act (H.R. 9318) — Quantum Computing Report · Jun 18, 2026.
- [Reported] UK £10M National Quantum Standards Network — Quantum Computing Report · Jun 16, 2026.
Confidence: moderate. Most items are vendor / press-release or government announcements (appropriately tiered Reported / Projected); the IBM QEC-code work has an open-sourced artifact but is design-stage, and the cat-qubit procurement is a purchase commitment, not a demonstrated system. No peer-reviewed hardware record landed this window. Date-ordered cross-check via the Quantum Computing Report news index.