llms.txt
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# Quantum Zeitgeist
## Sitemaps
- [XML Sitemap](https://quantumzeitgeist.com/sitemap_index.xml): Includes all crawlable and indexable pages.
## Posts
- [Quantum Zeitgeist Weekly Digest October 17th](https://quantumzeitgeist.com/quantum-zeitgeist-weekly-digest-october-17-2026/): The week's quantum computing news, 10 October to 17 October 2026.
- [SAXON Q’s three qubits hit a 77% target rate at room temperature](https://quantumzeitgeist.com/saxon-q-three-qubits-77-percent/): SAXON Q’s system achieved a 77.3% success rate with Grover’s search algorithm using three qubits, at room temperature.
- [Dirac Labs Joins Wisconsin Security Research Consortium](https://quantumzeitgeist.com/dirac-labs-joins-wisconsin-security/): Dirac Labs, a Madison quantum navigation firm, has joined the Wisconsin Security Research Consortium, bolstering Area 52’s autonomous maritime tech development.
- [Researchers from Harvard Quantum, Anthropic and QuEra show new circuits cut qubit counts for quantum calculations](https://quantumzeitgeist.com/llm-circuits-cut-qubit-counts-quantum/): Researchers used large language models to design quantum circuits, reducing Toffoli and qubit counts in 7 of 8 tested tasks.
- [LayerQake at Quantum X Labs cuts qubit errors by up to 21x on IBM chips](https://quantumzeitgeist.com/quantum-x-qubit-errors-ibm-chips/): LayerQake cut cumulative error by up to 21x on three IBM chips—ibmfez, ibmkingston, and ibm_marrakesh—reducing noise that causes qubit inaccuracies.
- [IBM achieves 52x design speedup with AI agents tackling quantum error correction](https://quantumzeitgeist.com/quantum-error-correction-ibm-52x/): Using an agent factory to optimize hardware for quantum error correction, IBM Research achieved a 52-times speedup over the baseline design for approximately $26 in inference cost. A configuration using open frontier models cost $26, while a proprietary frontier model configuration cost 11.5 times more—$299—under the same search budget.
- [Google Says it cuts quantum error rates by 40x with ‘magic state cultivation’](https://quantumzeitgeist.com/google-quantum-magic-state-cultivation-cuts/): Google Quantum AI has shown that “magic state cultivation” works in practice on its Willow processor, reducing errors about 40x compared to without it. This is a crucial step towards scaling up quantum computing to practical use, addressing a bottleneck foreseen since 2004.
- [Qunnect’s quantum memory makes the TIME Best Inventions list](https://quantumzeitgeist.com/quantum-memory-qunnects-time-best/): Qunnect’s Qu-MEM, the world’s first commercial quantum memory, earned a spot on TIME’s 2026 Best Inventions list.
- [Coinbase holds about 15% of all BTC. Quantum Computing In Focus.](https://quantumzeitgeist.com/coinbase-holds-btc-existence-15-percent/): Coinbase, one of the largest custodians, currently safeguards roughly 15% of all Bitcoin in existence.
- [DOCOMO Expands Production Use of D-Wave Quantum Technology](https://quantumzeitgeist.com/d-wave-quantum-technology-docomo-production/): NTT DOCOMO is expanding production use of solutions leveraging D-Wave’s quantum computing approach, tackling complex network optimization for its 93 million+ subscribers.
- [ORCA Computing launches PT-3, the first quantum computer built for commercial quantum advantage](https://quantumzeitgeist.com/orca-pt-3-nvidia/): ORCA Computing launches PT-3, a photonic quantum computer built for commercial quantum advantage.
- [Quantum Internet Alliance wins €47.5 million for network prototype](https://quantumzeitgeist.com/quantum-internet-alliance-wins-million-network/): The Quantum Internet Alliance (QIA) secured €47.5 million from the European Commission to build a full-stack quantum network prototype, with Innsbruck playing a key role and receiving €5.4 million.
- [NVIDIA GPUs accelerate quantum error correction calibration](https://quantumzeitgeist.com/riverlane-nvidia-gpu-quantum-error-gpus/): Riverlane is accelerating quantum error correction calibration using NVIDIA GPUs, reducing recalibration times from minutes to seconds.
- [Alice & Bob tests quantum decoding with Quantum Machines](https://quantumzeitgeist.com/nvidia-quantum-decoding-alice-bob-tests/): Alice & Bob achieved LDPC-cat code decoding on GPUs using NVIDIA NVQLink, and Quantum Machines’ OPX1000—a first for this architecture.
- [Coinbase wants to safeguard Bitcoin funds lost to quantum attacks](https://quantumzeitgeist.com/coinbase-wants-safeguard-bitcoin-funds/): Coinbase, holding roughly 12% of all Bitcoin, is proactively addressing the potential threat of quantum computing, and is focused on how to safeguard BTC funds.
- [SkyWater’s US fab helps D-Wave build quantum processors](https://quantumzeitgeist.com/d-wave-quantum-processors-skywaters-fab/): SkyWater Technology’s US fab will continue supporting D-Wave’s development of superconducting quantum systems, including its unique approach to building quantum processors.
- [Amazon Braket integrates with AWS Batch for scalable workflows](https://quantumzeitgeist.com/amazon-braket-aws-batch-integrates/): Running scalable hybrid quantum-classical workflows is possible by integrating Amazon Braket with AWS Batch into a scalable compute pipeline orchestrated with AWS Step Functions. This solution can be adapted to algorithms such as SQD that share a similar workflow pattern.
- [A quantum algorithm beats classical methods for car painting puzzle](https://quantumzeitgeist.com/singapore-quantum-algorithm-beats-classical-methods/): Researchers developed a quantum algorithm for the Binary Paint Shop Problem, outperforming classical heuristics on this car manufacturing optimization challenge.
- [Classiq links quantum code to Israel’s new HPC-quantum center](https://quantumzeitgeist.com/classiq-quantum-code-links-israels/): Classiq provides the quantum software layer for Israel’s new IQCC, enabling researchers to develop & optimize applications using high-level synthesis.
- [Imperial College London shows quantum work in San Francisco](https://quantumzeitgeist.com/imperial-london-quantum-work-san-francisco/): Imperial College London showcased its quantum research in San Francisco during Tech Week, highlighting potential advances in computing and secure communications.
- [JP Morgan Chase and Quantinuum get fault-tolerant algorithms running](https://quantumzeitgeist.com/quantinuum-quantum-algorithms-scale-physical-qubits/): Fault tolerance enabled execution of QAOA and HHL algorithms, demonstrating how quantum algorithms can scale to 97 physical qubits using the Steane code.
- [Zero Trust security firm Elisity joins IonQ’s quantum platform](https://quantumzeitgeist.com/ionq-quantum-platform-zero-trust/): IonQ has entered into a definitive agreement to acquire Elisity, Inc., a Zero Trust security company, in an all-stock transaction valued at up to $1.3 billion. The acquisition combines IonQ's post-quantum cryptography and quantum key distribution capabilities with Elisity's Zero Trust technology platform, addressing current and future quantum threats.
- [Quantum Standards Network opens quantum standards network for UK innovators](https://quantumzeitgeist.com/qsn-quantum-standards-network-innovators/): The Quantum Standards Network (QSN) online Community opened on 29 September, providing a digital space for innovators, researchers, businesses and policymakers to share knowledge and shape the future of quantum standards. This network, led by NPL and in collaboration with partners including BSI, UKRI National Quantum Computing Centre (NQCC), National Cyber Security Centre (NCSC) and UKQuantum, coordinates the UK’s efforts on quantum standards and supports the UK's National Quantum Strategy.
- [IonQ Demonstrates World-First Quantum Memory-Enhanced Interconnect for Distributed Quantum Applications](https://quantumzeitgeist.com/quantum-entanglement-speed-ionq-beats/): IonQ achieved over 1,000 entanglement events per second, a new record for connecting a trapped ion qubit with solid-state memory.
- [GigCapital8 to Fund Quantisimo’s Quantum Public Debut](https://quantumzeitgeist.com/quantisimo-quantum-public-debut-gigcapital8-fund/): Quantisimo Corp, a “Root to Qubit” platform formed by WISeQey and SEALSQ, will access public markets via a Nasdaq listing with GigCapital8.
- [Can PsiQuantum’s Construct unlock faster quantum innovation?](https://quantumzeitgeist.com/psiquantum-construct-unlock-psiquantums-faster/): PsiQuantum’s software was built to address the scale required for fault-tolerant quantum computing, offering tools to design algorithms, develop circuits, and estimate resources. This software, now available through the open access platform Construct, aims to unlock faster innovation and strengthen the research community’s collective capability.
- [NVIDIA’s quantum pledge—a billion dollars for US science over five years](https://quantumzeitgeist.com/nvidias-quantum-pledgea-billion-dollars/): NVIDIA commits $1 billion over five years to U.S. science, including advancements in quantum computing and healthcare.
- [DARPA’s Quantum Benchmarking Initiative adds four teams to final quantum test](https://quantumzeitgeist.com/qbi-darpas-quantum-partnership-benchmarking-initiative/): DARPA’s Quantum Benchmarking Initiative (QBI) added four teams to Stage C, evaluating if quantum computing can reach utility scale by 2033.
- [Korea Quantum Computing to List on Nasdaq via Charlton Aria](https://quantumzeitgeist.com/korea-quantum-computing-list-nasdaq/): KQC Quantum, Inc., parent company of Korea Quantum Computing Co., Ltd., will list on Nasdaq via Charlton Aria (Nasdaq: CHAR).
- [Oratomic Says it secures $775 million to build fault-tolerant quantum computers](https://quantumzeitgeist.com/fault-tolerant-quantum-computers-775-million/): Oratomic has raised $775 million in total funding since March 2026 to build utility-scale, fault-tolerant quantum computers. The financing will accelerate development of the computers, which are based on reconfigurable arrays of neutral atoms and advanced quantum error correction.
- [Universal Quantum secures over $100M to expand quantum computing](https://quantumzeitgeist.com/universal-quantum-100m-computing/): Universal Quantum, a UK-based firm, just raised over $100 million in Series A funding, the largest of its kind for a British quantum company.
- [Diraq Advances to Final Stage of Quantum Benchmarking Initiative](https://quantumzeitgeist.com/diraq-quantum-benchmarking-initiative-advances/): Diraq was selected by the U.S. Defense Advanced Research Projects Agency (DARPA) to advance to Stage C of the Quantum Benchmarking Initiative, the final stage evaluating approaches to achieve utility-scale operation by 2033. Funding of up to US$300 million will support independent verification and validation of Diraq's path to utility-scale, fault-tolerant quantum computing.
- [BBVA, FirstQFM, Florida Atlantic University and Jülich Get Early Access to D-Wave’s Gate Simulator](https://quantumzeitgeist.com/error-aware-quantum-code-d-waves/): D-Wave’s new gate-model quantum computing simulator beta program—with participants like BBVA and Florida Atlantic University—lets users explore error awareness, a key to efficient quantum error correction.
- [OpenLight scales silicon photonics for AI, secures $84M funding](https://quantumzeitgeist.com/openlight-ai-funding-scales-silicon-84m/): OpenLight advances heterogeneous silicon photonics toward volume production, addressing the industry challenge of manufacturing at the scale demanded by next-generation, AI infrastructure. The company is scaling its proven III-V/silicon integration technology into a commercially viable process and has secured $84 million in publicly disclosed funding.
- [Xanadu wins IEEE synergy award for quantum community work](https://quantumzeitgeist.com/xanadu-win-quantum-wins-ieee/): Xanadu received the IEEE Quantum Technical Community 2026 Distinguished Synergy Award, recognizing their work building the quantum community.
- [Korea Quantum Computing to list on Nasdaq via SPAC deal](https://quantumzeitgeist.com/korea-quantum-nasdaq-spac-computing-list/): KQC Quantum, Inc. will list on the Nasdaq via a SPAC deal with Charlton Aria Acquisition Corporation, bringing Korea’s enterprise quantum computing solutions to public markets.
- [WISeSat.Space rings the bell, plans quantum-safe satellites](https://quantumzeitgeist.com/quantum-safe-satellites-wisesatspace-rings-bell/): WISeSat.Space rings the Nasdaq Opening Bell October 9, 2026, detailing plans for trusted, quantum-resilient space communications.
- [AI agents now build complete quantum projects, Haiqu says](https://quantumzeitgeist.com/agents-complete-quantum-projects-haiqu/): Haiqu’s AgenticOS lets R&D teams build complete quantum projects, using AI agents to validate results at each step.
- [Quantum systems retain a ‘birthmark’ of their origin, even in chaos](https://quantumzeitgeist.com/tampere-university-quantum-birthmark-systems-retain/): Quantum systems retain a permanent mark of their origin, a “quantum birthmark,” even when experiencing chaos. Researchers from Tampere University, Harvard University, and TU Dresden discovered this feature, shedding new light on the relationship between classical and quantum mechanics.
- [Infineon and ZuriQ deepen partnership to advance scalable quantum chips](https://quantumzeitgeist.com/infineon-zuriq-partnership-deepen-advance/): Infineon Technologies AG and ZuriQ AG are expanding their collaboration to advance scalable quantum computing hardware, combining ZuriQ’s trapped-ion quantum computing architecture with Infineon’s semiconductor manufacturing expertise. Previous work demonstrated a 3×3 array of nine individually controlled ions, and the partnership will now focus on scaling the technology to significantly larger qubit counts.
- [Quanfluence lands $10 million to build a full photonic quantum computer](https://quantumzeitgeist.com/quanfluence-quantum-computer-10-million/): Quanfluence raises USD 10 million led by Chiratae Ventures to build a full-stack photonic quantum computer. The capital will be deployed to build Quanfluence’s full-stack photonic quantum computer, bringing together indigenously designed photonic chips, control electronics and the software layer into a single system.
- [WISeSat gets $10M to build secure satellites for a post-quantum world](https://quantumzeitgeist.com/sealsq-post-quantum-wisesat-gets-10m/): SEALSQ invested $10M in WISeSat to advance space cybersecurity, integrating SEALSQ’s Post-Quantum technology for secure satellites and infrastructure.
- [Xanadu and GlobalFoundries team up for quantum chip production](https://quantumzeitgeist.com/quantum-chip-production-xanadu-globalfoundries/): Xanadu & GlobalFoundries partner to scale photonic quantum computing, focusing on manufacturing advanced components like silicon nitride (SiN) photonics via GF’s 300 mm line.
- [A chip-based module subtracts photons for quantum communication and sensing](https://quantumzeitgeist.com/iqc-chip-based-module-subtracts-photons/): IQC researchers demonstrated a photon subtraction approach using a solid-state quantum emitter integrated on a chip, potentially improving quantum communications.
- [Now You Can Build quantum circuits in Fortran, C++ And Julia with Qiskit](https://quantumzeitgeist.com/quantum-circuits-fortran-qiskit/): Qiskit v2.0 now lets you create and run quantum circuits natively in Fortran, C++, and Julia—without Python.
- [IBM Quantum Compute Service, 4 Benefits of Directed Execution for Users](https://quantumzeitgeist.com/directed-execution-ibm-quantum-compute/): Directed execution is a new, lower-level execution model in IBM Quantum Compute Service that runs circuits exactly as directed, giving users an explicit and composable way to express how circuits run and a transparent view into what happens on IBM Quantum hardware. Crucially, this visibility and control is gained without trading off the performance of 100+ qubit systems.
- [NCSC urges firms to build quantum-safe resilience with PQC migration](https://quantumzeitgeist.com/ncsc-urges-firms-quantum-safe-resilience/): The NCSC recognizes the need for firms to begin planning for post-quantum cryptography (PQC) migration, setting key target dates—like 2026 for discovery—to address future quantum computing threats.
- [Sam M. Walton College & D-Wave study quantum supply chains](https://quantumzeitgeist.com/d-wave-quantum-supply-chains-sam/): D-Wave Quantum Inc. & the Sam M. Walton College are researching how quantum computing can optimize complex supply chain issues—spanning retail, transportation, and defense.
- [Quantum Zeitgeist Digest October 2026](https://quantumzeitgeist.com/quantum-zeitgeist-digest-october-3/): Error handling ran through much of this week’s news. Pasqal won French backing to lead a fault-tolerance programme, D-Wave opened a simulator for testing error-aware code, and Classiq released a tool that estimates the physical-qubit cost of fault-tolerant programs. IBM and Harvard showed they could learn SYK Hamiltonians with polynomial scaling, while Quantinuum found that adiabatic evolution beat the FFT for larger materials simulations.
- [Researchers Simulate Power Cost of Continual Error Correction](https://quantumzeitgeist.com/continuous-quantum-error-correction-power-cost-simulation/): Can endlessly strengthening error correction actually demand more power even as its benefits diminish? New work demonstrates that improving qubit stabilisation via continuous feedback increases energetic costs on both system and controller sides, even once optimal fidelity is reached. This establishes feedback power as a key consideration when designing practical quantum computers.
- [Researchers Build Quasilinear Quantum Computation Verifier](https://quantumzeitgeist.com/quasilinear-computation-verifier-for-quantum-algorithms/): Delegating quantum computations previously demanded verifier resources that grew exponentially with circuit size. Now, verifiable computation within BQP achieves total resource requirements scaling linearly with gate count ‘g’, specifically O(poly(λ, log g) · g). This advance enables practical remote verification using only classical communication and relies on the established learning with errors assumption.
- [Optqc Team Builds Constant-Rate Quantum Codes with Full Clifford Actions](https://quantumzeitgeist.com/quantum-codes-constant-rate-clifford-actions/): Fault-tolerant quantum computers have long demanded either restricted logic or substantial qubit resources to correct errors. Now, new quantum codes achieve full control over logical operations, the entire Clifford group, using only simpler, transversal and fold-transversal gates without needing extra qubits. This construction relies on classical code design based on automorphism groups, offering a potential route towards scalable, low-overhead quantum computing.
- [Mosca’s Theorem shows when to start quantum-safe crypto](https://quantumzeitgeist.com/qetci-quantum-safe-crypto-moscas-theorem/): Dr. Michele Mosca discussed Mosca’s Theorem, an inequality organizations can use to determine when to migrate to post-quantum cryptography, during a September 18th event.
- [Microsoft names winners in its Quantum Pioneers software track](https://quantumzeitgeist.com/microsoft-quantum-names-five-winners/): Microsoft announced five winners in the Software Track of its Quantum Pioneers Program, recognizing proposals from the June 2026 competition.
- [New chip makes quantum sensors simpler to build](https://quantumzeitgeist.com/sic-quantum-sensors-simpler-chip/): A new 4H-silicon carbide chip simplifies building quantum sensors, achieving 30nT/√Hz sensitivity—2-3 orders of magnitude better than confocal techniques.
- [New signal processing boosts quantum light detection efficiency](https://quantumzeitgeist.co
