Trapped Ion Quantum Computing News: IonQ & Quantinuum Breakthroughs
Trapped ion quantum computing updates: IonQ Forte, Quantinuum H2, high-fidelity gates. Long coherence times & commercial progress coverage.
Trapped ion quantum computing utilizes individual atomic ions—typically ytterbium, calcium, or strontium—confined in electromagnetic fields (Paul traps) and manipulated with laser pulses. This approach delivers the highest gate fidelities in the industry, with one-qubit and two-qubit operations exceeding 99.9% accuracy.
IonQ and Quantinuum (the Honeywell-Cambridge Quantum Computing merger) lead commercial trapped-ion development. The technology's inherent all-to-all connectivity—where any qubit can interact with any other without physical movement—enables efficient implementation of complex quantum algorithms that would require extensive SWAP operations on superconducting architectures.
India's Trapped Ion Research
India's quantum computing research includes trapped-ion systems at the Raman Research Institute (RRI) in Bengaluru and IISER Pune. The Centre for Excellence in Quantum Technology (CEQT) at IISc Bengaluru, supported by the Ministry of Electronics and Information Technology (MeitY), includes quantum computing development among its activities, with trapped-ion research as one component. The National Quantum Mission's Quantum Computing Thematic Hub at IISc Bengaluru coordinates research across multiple platforms including trapped-ion systems.
Key Advantages
Key advantages include exceptional coherence times (seconds to minutes, millions of times longer than superconducting qubits), identical qubits eliminating calibration variability, natural connectivity reducing algorithm overhead, and room-temperature operation of control electronics simplifying infrastructure. Current challenges include slower gate speeds (microseconds vs. nanoseconds for superconducting) limiting algorithm execution rates, laser control systems adding engineering complexity, and scaling beyond 50-100 qubits requiring innovative architectures.
Recent Breakthroughs
Recent global breakthroughs include Quantinuum's H2 system demonstrating 56-qubit quantum error correction experiments with logical qubit fidelities surpassing physical qubits, and IonQ's Forte processor introducing acousto-optic deflectors for flexible qubit addressing supporting up to 36 algorithmic qubits. Trapped-ion systems dominate applications requiring high precision—quantum chemistry simulation, financial optimization, and cryptographic analysis—where gate fidelity outweighs speed considerations.
quantum-computingFederal funding adds fuel to theoretical and applied quantum research
Five faculty from the Institute for Quantum Computing (IQC) at the University of Waterloo have received grants totalling more than $300,000 through Natural Sciences and Engineering Research Council of Canada’s Discovery Grants program. The grants will help fund the theoretical and applied research of professors in Faculties of Engineering, Science and Mathematics.Dr. Bradley Hauer, Professor, Department of Electrical and Computer Engineering $149,945 Millimeter-wave infrastructure supporting next-generation quantum sensors (Co-applicants are Drs. Adrian Lupascu, Professor, Department of Physics and Astronomy, and Christopher Wilson.)Dr. David Gosset, Professor, Department of Combinatorics and Optimization $53,000 Quantum advantage, classical simulation, and complexity Dr. Adam Wei Tsen, Professor, Department of Chemistry $49,000 Visualization and Control of Moiré Quantum Matter Dr. Christopher Wilson, Professor, Department of Electrical and Computer Engineering $49,000 Quantum Microwaves for Advanced Sensing and Simulation The funding awarded to IQC faculty is part of more than $7.1 million in NSERC funding distributed to over 100 University of Waterloo researchers across multiple disciplines. Read more on Waterloo News.
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quantum-computingTop Diamond NV-Centre Quantum Computing Companies in 2026
Insider Brief Most quantum computing discussions start with superconducting chips in dilution refrigerators, or ion traps in vacuum chambers the size of a washing machine. Diamond NV centers are a different story. The qubit is a defect in a carbon crystal. It runs at room temperature. It fits in your hand and in 2026, it […]
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quantum-computingBTQ Technologies and ICTK Finalize Architecture for Next-Generation Post-Quantum Security Chip
BTQ Technologies and ICTK Finalize Architecture for Next-Generation Post-Quantum Security Chip Global quantum-safe engineering firm BTQ Technologies Corp. (Nasdaq: BTQ) has finalized the technical design phase for its next-generation hybrid security processor. Developed in direct cooperation with South Korean secure-element pioneer ICTK Co., Ltd. (KOSDAQ: 456010), the system architecture marks a structural milestone by integrating post-quantum cryptography (PQC) accelerators with physical hardware-rooted hardware identity footprints. The joint engineering track translates the entities’ previous $15 million co-investment and development accord from late 2025 into a deployable silicon blueprint, with manufacturing preparation and foundry scheduling now actively underway. [ QCIM + PUF Chip Architectural Stack ] Cryptographic Core ──► BTQ Quantum Compute-in-Memory (QCIM) soft IP block. Hardware Root/ID ──► ICTK VIA PUF™ passive, ECC-free silicon via extraction. Functional Target ──► Crypto-agile multi-layered acceleration (Classical & PQC). Delivery Window ──► Test chip client shipments scheduled for Q4 2026. The Mechanics of QCIM and VIA PUF Fusion The newly completed semiconductor architecture directly addresses a critical performance bottleneck facing modern edge-computing nodes, Internet of Things (IoT) hardware arrays, and artificial intelligence processors: the high latency and energy overhead typical of running resource-heavy lattice-based post-quantum algorithms. BTQ bypasses this constraint through its proprietary Quantum Compute-in-Memory (QCIM) soft IP architecture. By executing complex multi-layered cryptographic subroutines directly within the chip’s internal memory subsystem rather than constantly shuffling bits back and forth to an external CPU core, QCIM minimizes data bus congestion, scales down power dissipation, and ensures real-time processing agility for both legacy classical ciphers and next-generation quantum-resistant protocols. To establish
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quantum-computingKyoto University Team Proposes Ramsey Interferometer Array for Dark Matter Detection
A new method for detecting wave-like dark matter utilises an array of Ramsey-type interferometers with superposition states, developed by Ryuichiro Kitano and Ryoto Takai at Kyoto University, in collaboration with KEK Theory Centre, and The Graduate University. The sensitivity to dark matter coupling scales favourably with increasing qubit number, unlike Rabi-type detection schemes which require highly entangled qubits. Using trapped-ion qubits, the team projects sensitivities that match or exceed current laboratory, astrophysical, and cosmological limits for systems containing over one million qubits, offering a key pathway towards sharply improved dark matter detection and potentially extending to gravitational wave sensing. Dark matter detection via scalable Ramsey interferometry with trapped ions A projected sensitivity to dark matter coupling now surpasses existing bounds, demonstrating an improvement of over six orders of magnitude compared to previous limitations. This advancement stems from the utilisation of an array of Ramsey-type interferometers with over one million superposition states, effectively circumventing the need for complex qubit entanglement previously considered vital for achieving such sensitivity. Led by Dr. Stuart D. Jenkins and Professor John R. Smith London, the team’s approach opens avenues for detecting wave-like dark matter and potentially extends to the area of high-frequency gravitational wave sensing, offering a flexible platform for probing elusive phenomena. The significance of this improvement lies in the potential to explore a previously inaccessible region of parameter space for dark matter candidates, potentially confirming or refuting existing theoretical models. This new method simplifies scalability and paves the way for future advancements in quantum sensing technologies by increasing the number of quantum sensors rather than their interconnectedness. Trapped-ion qubits held within a linear Paul trap, a device employ
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quantum-computingNew Plaquette Framework for Benchmarking Fault-Tolerant Quantum Computers
Researchers led by Raul Conchello Vendrell and fourteen colleagues have introduced Plaquette, a framework designed to assess the performance of fault-tolerant quantum computers using realistic hardware imperfections. Unlike traditional simulations that often rely on simplified noise models, Plaquette directly incorporates physical errors such as superconducting transmons leaking from their computational state, neutral atom scattering, and trapped ion heating. The framework integrates four distinct sampler classes, including a new “XPauli” sampler, allowing for comprehensive evaluation across various error types and validation against full-state simulations. The team’s report indicates that a hardware error model can be specified once using Kraus operators, Hamiltonian-Lindblad dynamics, or experimentally reconstructed quantum channels, then automatically compiled for use across all sampler types; this flexibility is crucial for accurately estimating logical performance and reliable error budgets. Plaquette offers a direct link between a device’s physical characteristics and the quantum computer built upon it. Plaquette addresses the limitations of simplified noise models commonly used in quantum computing simulations; hardware noise frequently deviates from purely stochastic Pauli errors, demanding more sophisticated approaches to accurately predict fault-tolerant performance. This focus on real-world hardware constraints, rather than idealized scenarios, is central to Plaquette’s design. These classes, stabilizer sampling, the new XPauli sampler, near-Clifford samplers, and full-state simulation, enable a comprehensive evaluation of fault-tolerant quantum computer performance across a range of error types, moving beyond the constraints of traditional stabilizer simulations. Validation of the XPauli and near-Clifford samplers against full-state simulation demonstrates their accuracy, achieving statistical parity while Pauli twirling methods can fall short depending
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quantum-computingAmsterdam’s QDNL Participations Rebrands as Ground State Ventures, Secures Over €75.2M for Early-Stage Quantum Fund
Amsterdam’s QDNL Participations Rebrands as Ground State Ventures, Secures Over €75.2M for Early-Stage Quantum Fund Amsterdam-based specialized venture capital firm QDNL Participations has announced its formal corporate rebranding to Ground State Ventures as it prepares the final close of its inaugural early-stage quantum technology fund. The vehicle has raised over €75.2 million ($88 million), significantly outpacing its original capital target of €59.8 million ($70 million). The operational restructure and expanded capital allocation plan reflect the firm’s strategic transition from localized seed investments in the Netherlands to structured cross-border deal execution across Europe and the United States. [ Ground State Ventures Capital Pool ] Fund Status ──► Approaching final close with €75.2M+ ($88M) raised. Initial Target ──► Oversubscribed beyond the original €59.8M ($70M) baseline. Investment Scope ──► Early-stage checks across computing, sensing, networks, and infrastructure. Asset Management ──► Distributed operational bases in Amsterdam, London, and San Francisco. Originally established in 2022 by General Partner Ton van ‘t Noordende, the fund functioned as the initial institutional pre-seed anchor for the thriving Dutch quantum computing and sensing ecosystem. The firm’s early portfolio included primary positions in notable spin-outs from the Delft and Leiden hubs, including hardware developer QuantWare, microwave controller manufacturer Qblox, quantum-frequency converter designer QphoX, cell-tracking biophysics specialist QT Sense, and quantum network architect Q*Bird. The new international deployment thesis shifts capital toward global hubs, supporting initial investment rounds for Swiss cryogenic microelectronics group Rhonexum alongside U.S.-based entities Diffraqtion, Quantum Elements, and SiC Systems. The structural scaling of Ground State Ventures is reinforced by the addition of partner Chad Rigetti, founder and former CEO of Rigetti Computing. Th
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quantum-computingGoban and Colleagues Develop Analytical Framework for Spin-Motion-Photon Coupling
Scientists Seigo Kikura and colleagues at Nanofiber Quantum Technologies, in collaboration with University of Oxford, present a thorough analytical framework for cavity-assisted photon scattering that incorporates the coherent interaction between atomic motion and reflected photons. The development addresses a key gap in current understanding, as previous analytical formulations have not fully accounted for the motional degree of freedom relevant to advanced quantum information processing. By extending scattering theory, the team provides a flexible set of tools applicable to diverse cavity setups and spin configurations, ultimately offering a pathway to both suppress motion-induced errors and use motion-photon interactions for novel atom-photon interfaces. Resonant coupling analysis unlocks four-nines fidelity in trapped ion entanglement Motion-mediated entangling gates for trapped ions have now reached four-nines fidelity, representing 99.99% accuracy, a level previously unattainable due to limitations in analytical frameworks. This significant achievement builds upon the foundation of cavity quantum electrodynamics, where atoms are coupled to the electromagnetic field within an optical cavity. Extending analytical treatment of cavity-assisted photon scattering (CAPS) to the resonant-coupling regime overcomes restrictions inherent in earlier dispersive-coupling methods. Dispersive coupling relies on detuning the atom from the cavity resonance, limiting the strength of the interaction and introducing sensitivity to frequency fluctuations. Resonant coupling, conversely, allows for much stronger interactions, but demands a more sophisticated theoretical treatment to accurately model the dynamics. This advancement allows detailed analysis of high-fidelity CAPS gates, crucial for advanced quantum information processing, enabling more complex quantum algorithms and computations. A compact operator-based input-output relation, created by incorporating the motional degree
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quantum-computingQuantum Rings’ Open Quantum Product Now Available on the Qbraid Platform
Quantum Rings’ Open Quantum Product Now Available on the Qbraid Platform Quantum Rings has announced a partnership with qBraid to make their Open Quantum platform available within the qBraid Lab. The development will provide developers and researchers free, subsidized access to QPUs from IonQ, Rigetti, IQM, and AQT. With Open Quantum, users will have available a unified access point to run programs and try out different quantum architectures by just changing a single line of code. qBraid currently has over 27,000 developers on their system and these developers can link their account to Open Quantum by visiting openquantum.com/qbraid to link the accounts. User accounts with the hardware providers will not be required making it simpler for a developer to get started. New users will get $50 in free credits to get started with opportunities to grab another $50 in free compute every 90 days. Users who want to purchase more credits, can do so at a discounted rate of about half the retail price, if they are open to sharing their data. Additional information is available in a press release provided by Quantum Rings located here as well as a web page where a user can start the sign-up process by visiting here. July 9, 2026 dougfinke2026-07-09T11:28:50-07:00 Leave A Comment Cancel replyComment Type in the text displayed above Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.
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quantum-computingQUDORA and QAI Partner to Integrate Trapped-Ion Quantum Computer into South Korean AI Data Center - Quantum Computing Report
QUDORA and QAI Partner to Integrate Trapped-Ion Quantum Computer into South Korean AI Data Center Quantum Computing Report
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quantum-computingQUDORA and QAI Partner to Integrate Trapped-Ion Quantum Computer into South Korean AI Data Center
QUDORA and QAI Partner to Integrate Trapped-Ion Quantum Computer into South Korean AI Data Center European full-stack quantum hardware developer QUDORA Technologies GmbH has signed a Memorandum of Understanding (MoU) with South Korean deep-tech specialist QAI Co., Ltd. to co-deploy trapped-ion quantum processing units (QPUs) inside regional artificial intelligence data centers. Executed on July 9, 2026, the international framework initiates a technical feasibility study to wire QUDORA’s hardware layers directly into operational AI cloud infrastructures managed by QAI in South Korea. The integration track aims to establish a co-processing testbed where machine learning models and optimization subroutines can bounce workloads dynamically between classical hyper-scale graphics processors (GPUs) and low-noise quantum nodes without routing delays. [ QUDORA - QAI Partnership Matrix ] Hardware Modality ──► Integrated full-stack ion-trap QPUs driven by microwave electronics. Qubit Control Layer ──► Laser-free Near Field Quantum Control (NFQC) built on standard CMOS. Facility Infrastructure──► Multi-tenant AI data centers managed locally by QAI (South Korea). Regional Roadmap ──► Using South Korea as a commercial base to penetrate wider APAC markets. The technological alliance pairs QUDORA’s laser-free quantum manipulation framework with QAI’s vertically integrated computing stacks. Unlike traditional trapped-ion architectures that rely on heavy, alignment-sensitive optical laser lines to trigger gate operations, QUDORA utilizes its proprietary Near Field Quantum Control (NFQC) technology. This control scheme uses highly integrated microwave-based electronic circuitry embedded directly into the microfabricated ion-trap processor substrate. By replacing complex external optics with standard CMOS-compatible semiconductor electronics, the architecture drastically reduces fundamental phase noise and environmental drift. This hardware footprint extends raw qubit coherence interva
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quantum-computing1 Incredible Quantum Computing Stock That Could Make Investors a Fortune - The Motley Fool
Quantum computing may seem like some far-off technology that will never come about, but that's just not the case. There are several companies with early-stage quantum computers that are producing real results for clients, and could easily expand into more mainstream usage as the technology improves and computer size expands. The current timetable for many quantum companies is around 2030, with major market expansion occurring by 2035. McKinsey & Company estimates that the annual quantum computing market could be worth up to $72 billion by 2030, leaving a huge market opportunity available for those who can seize it. One betting favorite is IonQ (IONQ 0.62%), as it's currently the worldwide leader in one of the most critical areas: accuracy. With IonQ holding a world record in this field, it's a favorite to make it to the finish line, and it could make investors a fortune along the way. Image source: Getty Images. IonQ's approach to quantum computing is different than its peers As alluded to above, IonQ holds the world record in 2-qubit gate fidelity, a measurement that ensures the answer is correct after processing through two processing gates. Most companies struggle to reach 99.9% fidelity, but IonQ holds the record at 99.99%. While that's only an extra 0.09%, that is a ton in the quantum computing world. It's the difference between making one error out of every 1,000 operations or one error in every 10,000 operations. IonQ has achieved this by using a unique architecture in its devices. Instead of a supercooling setup like many use, IonQ utilizes trapped-ion technology. This is inherently more accurate, although the trade-off is slower processing speeds. Still, the computing advantage that quantum provides is easily enough to justify these slower speeds. ExpandNYSE: IONQIonQToday's Change(-0.62%) $-0.28Current Price$45.08Key Data Points*:nth-last-child(-n+2)]:border-b-0">Market Cap$17BMarket cap calculated using publicly traded shares outstanding only. Does no
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quantum-computing1 Incredible Quantum Computing Stock That Could Make Investors a Fortune
Quantum computing may seem like some far-off technology that will never come about, but that's just not the case. There are several companies with early-stage quantum computers that are producing real results for clients, and could easily expand into more mainstream usage as the technology improves and computer size expands. The current timetable for many quantum companies is around 2030, with major market expansion occurring by 2035. McKinsey & Company estimates that the annual quantum computing market could be worth up to $72 billion by 2030, leaving a huge market opportunity available for those who can seize it. One betting favorite is IonQ (IONQ 0.62%), as it's currently the worldwide leader in one of the most critical areas: accuracy. With IonQ holding a world record in this field, it's a favorite to make it to the finish line, and it could make investors a fortune along the way. Image source: Getty Images. IonQ's approach to quantum computing is different than its peers As alluded to above, IonQ holds the world record in 2-qubit gate fidelity, a measurement that ensures the answer is correct after processing through two processing gates. Most companies struggle to reach 99.9% fidelity, but IonQ holds the record at 99.99%. While that's only an extra 0.09%, that is a ton in the quantum computing world. It's the difference between making one error out of every 1,000 operations or one error in every 10,000 operations. IonQ has achieved this by using a unique architecture in its devices. Instead of a supercooling setup like many use, IonQ utilizes trapped-ion technology. This is inherently more accurate, although the trade-off is slower processing speeds. Still, the computing advantage that quantum provides is easily enough to justify these slower speeds. ExpandNYSE: IONQIonQToday's Change(-0.62%) $-0.28Current Price$45.08Key Data Points*:nth-last-child(-n+2)]:border-b-0">Market Cap$17BMarket cap calculated using publicly traded shares outstanding only. Does no
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quantum-computingIonQ Stock Leads Quantum Computing Picks Investors May Want To Watch - simplywall.st
IonQ Stock Leads Quantum Computing Picks Investors May Want To Watch simplywall.st
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quantum-computingLocalized control of large ion crystals in a Penning trap using a spatial light modulator
--> Quantum Physics arXiv:2607.06654 (quant-ph) [Submitted on 7 Jul 2026] Title:Localized control of large ion crystals in a Penning trap using a spatial light modulator Authors:Allison L. Carter, Jennifer F. Lilieholm, Bryce B. Bullock, Kurt Thompson, Diep Nguyen, John J. Bollinger View a PDF of the paper titled Localized control of large ion crystals in a Penning trap using a spatial light modulator, by Allison L. Carter and 5 other authors View PDF HTML (experimental) Abstract:Penning ion traps as quantum platforms have primarily utilized global control and symmetric Dicke states for quantum simulation and sensing experiments. The introduction of local control greatly increases the power of the platform as a quantum simulator but is technically challenging due to the rapid rotation of the ion crystals. Here we use an ultraviolet-compatible spatial light modulator (SLM) to imprint programmable AC Stark shift patterns with different azimuthal symmetries and gradients that co-rotate with the ion crystals, demonstrating localized coherent control of single plane crystals with greater than 100 ions. Comparisons of the measured ion qubit populations with calculations from independent measurements of the applied AC Stark shift patterns show good agreement, validating the technique and providing a path, with a higher format SLM, for parallelizable, coherent individual ion addressing in Penning traps. Comments: Subjects: Quantum Physics (quant-ph); Atomic Physics (physics.atom-ph) Cite as: arXiv:2607.06654 [quant-ph] (or arXiv:2607.06654v1 [quant-ph] for this version) https://doi.org/10.48550/arXiv.2607.06654 Focus to learn more arXiv-issued DOI via DataCite (pending registration) Submission history From: Allison Carter [view email] [v1] Tue, 7 Jul 2026 17:43:03 UTC (5,481 KB) Full-text links: Access Paper: View a PDF of the paper titled Localized control of large ion crystals in a Penning trap using a spatial light modulator, by Allison L. Carter and 5 othe
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quantum-computingUniversal spin-squeezing dynamics in spinor condensates
--> Quantum Physics arXiv:2607.06842 (quant-ph) [Submitted on 7 Jul 2026] Title:Universal spin-squeezing dynamics in spinor condensates Authors:Nikolaos Giovanoudis, Navid Kazemiseresht, Fabio Mezzacapo, Emilia Witkowska, Tommaso Roscilde View a PDF of the paper titled Universal spin-squeezing dynamics in spinor condensates, by Nikolaos Giovanoudis and 4 other authors View PDF HTML (experimental) Abstract:The production of large-scale entangled states is one of the main goals of next-generation quantum technologies, with an immediate potential for applications in the context of entanglement-assisted quantum sensing. A very promising platform to achieve this goal is offered by ultracold spinor gases, made of atoms with a large internal spin sensitive to magnetic fields. Here we show that the native spin-changing collisions in a spinor Bose-Einstein condensate, combined with an arbitrary quadratic Zeeman shift, can generate scalable spin squeezing in the collective spin of the ensemble, following the universal paradigm of the celebrated one-axis-twisting model. Squeezing dynamics is driven by the quadratic Zeeman shift when this shift is small; and by the spin-changing collisions for large shifts, in the form of stroboscopic squeezing. Turning off the Zeeman shift freezes out the collective-spin dynamics, so that the ensuing collective spin dynamics can be uniquely governed by an external field to be sensed. Our theoretical results pave the way for the use of spinor Bose gases with a large spin in fundamental studies of entanglement, as well as in advanced metrological applications. Comments: Subjects: Quantum Physics (quant-ph); Quantum Gases (cond-mat.quant-gas) Cite as: arXiv:2607.06842 [quant-ph] (or arXiv:2607.06842v1 [quant-ph] for this version) https://doi.org/10.48550/arXiv.2607.06842 Focus to learn more arXiv-issued DOI via DataCite (pending registration) Submission history From: Tommaso Roscilde [view email] [v1] Tue, 7 Jul 2026 22:29:18 UTC (3
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quantum-computingQAI Ventures Launches Inaugural Singapore Quantum Accelerator Cohort to Anchor APAC Expansion
QAI Ventures Launches Inaugural Singapore Quantum Accelerator Cohort to Anchor APAC Expansion Global venture capital firm QAI Ventures has officially launched the inaugural cohort of its Singapore Quantum Accelerator, marking the establishment of the state’s first dedicated corporate quantum validation pipeline. Operated in direct cooperation with Enterprise Singapore and structured to align with Singapore’s National Quantum Strategy, the five-month regional program accelerates early-stage quantum and advanced computing ventures looking to scale operations across the Asia-Pacific (APAC) technology market. The execution group selected four highly specialized international startups from a baseline of 63 global applications spanning 12 countries. [ Singapore Quantum Accelerator Matrix ] Program Sponsor ──► Enterprise Singapore (Aligned with the National Quantum Strategy). Financial Injection ──► SGD 300,000 baseline investment package per selected startup. Core Cohort Size ──► 4 international deep-tech startups filtered from 63 applications. Hardware Sandbox ──► Direct computing resource allocations via IonQ, QuEra, and Fujitsu. The localized accelerator addresses a distinct structural barrier within the deep-tech sector: the extensive engineering timeline required to transition foundational laboratory physics into validated, commercial enterprise software and hardware modules. To stabilize these long-range development tracks, QAI Ventures provides each cohort participant with an SGD 300,000 early-stage capitalization package. Alongside direct cash assets, the startups receive a 12-month workspace access allocation in Singapore, targeted market-entry coaching, and cloud-based hardware integrations with active quantum processing units (QPUs) and emulation testbeds provided by structural ecosystem partners IonQ, QuEra, and Fujitsu. The selected inaugural cohort consists of four cross-disciplinary deep-tech ventures: Quantum Logic (Netherlands): Specializing in the engine
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quantum-computingEuroHPC JU Funds Six Quantum Computers, Co-funds Two More
Researchers across Europe will gain access to a diverse portfolio of quantum computing technologies starting August 1st, 2026, as the European High Performance Computing Joint Undertaking (EuroHPC JU) opens its quantum infrastructure to experimentation. The initiative provides access to systems including Euro-Q-Exa, Lucy, Piast-Q, and VLQ, representing superconducting qubits, photonic qubits, and trapped-ions, and aims to integrate quantum computers with existing supercomputing capabilities. This “quantum pilot access mode” is designed for users wanting to document the technical feasibility of their applications and develop essential code and algorithms, rather than simply running existing programs. The EuroHPC JU states that this step enables users to experiment with different quantum technologies to advance scientific discovery and drive innovation, with six quantum computers procured and two more co-funded through the HPCQS project, all located within Europe. EuroHPC JU Quantum Access for Testing and Development Europe’s quantum computers are now available for researchers, offering a crucial platform to test and refine emerging applications. This access is not simply about running existing programs on novel hardware, but a deliberate strategy to integrate quantum computers with Europe’s established supercomputing capabilities, enabling quantum-accelerated HPC. The EuroHPC JU’s investment focuses on a diverse portfolio of quantum technologies, including trapped ions, superconducting circuits, photonics, and more, allowing users to evaluate performance across different approaches. The first four quantum computers immediately available through this initiative are Euro-Q-Exa, Lucy, Piast-Q, and VLQ, each utilizing distinct qubit technologies; Euro-Q-Exa and VLQ are based on superconducting qubits, while Lucy employs photonic qubits and Piast-Q utilizes trapped-ions.
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quantum-computingIonQ: The Hype Is Not Worth Chasing
Louis Gerard3.46K FollowersFollow5ShareSavePlay(11min)CommentsSummaryIonQ demonstrates real revenue growth and industry-leading technology but trades at a $17B market cap with an extreme EV/Sales multiple.FY25 revenue reached $130MM (202% growth), but stock-based compensation and adjusted EBITDA losses far outpace revenue, raising sustainability concerns.Recent GAAP net income is driven by non-cash warrant liability gains from share price declines, not operational profitability.I assign a Sell rating, citing a bleak H2 outlook, lumpy non-recurring revenues, and an inability to outearn the cost base despite a strong balance sheet. adventtr/E+ via Getty Images Introduction Regular readers of mine know that I've been covering many names in the AI-infrastructure industry with a rather skeptical eye, with names such as CoreWeave, IREN, Nebius, etc. The pattern that I keep on seeing is a genuine realThis article was written byLouis Gerard3.46K FollowersFollowAs a detail-oriented investor with a strong foundation in finance and business writing, I focus on analyzing undervalued and disliked companies or industries that have strong fundamentals and good cash flows. I have a particular interest in sectors such as Oil&Gas and consumer goods. Basically, anything that has been unloved for unjustified reasons that could offer substantial returns. Energy Transfer is one of those companies that I came across when no one wanted to touch it and now I can't resolve myself to sell it. I will always focus more on long-term value investing but I can sometimes lose myself in possible deal arbitrage such as with Microsoft/ Activision Blizzard, Spirit Airlines/Jetblue (that one still hurts), and Nippon/U.S. Steel (perfect exit at $50.19). I tend to shun businesses that I can't understand either high-tech or certain consumer goods such as fashion (give me a Levi's jeans). I don't understand why anyone would invest in cryptocurrencies as well. Through Seeking Alpha, I aim to connect with
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quantum-computingBenhemou and Colleagues Designs Automated Framework for Inter-Code Logical CNOT Synthesis
Scientists at Quantinuum have developed a new automated framework that establishes connections between diverse quantum error-correcting codes, addressing a fundamental challenge in the construction of practical, large-scale quantum computers. Asmae Benhemou and Noah Berthusen, from Quantum AI, present a system utilising chain maps to generate logical CNOT circuits between arbitrary CSS codes, resolving limitations encountered when integrating different code families. The approach not only rediscovers established connections between codes but also identifies new, low-depth solutions, potentially improving the efficiency of operations such as code switching and Pauli product measurements in heterogeneous quantum architectures. Automated framework enables low-depth connections between arbitrary quantum error correction Quantinuum researchers achieved a five-fold reduction in the complexity of connecting disparate quantum error correction codes, moving from circuits requiring a depth of ten to those with a depth of two in certain instances. Their automated framework, utilising ‘chain maps’, now enables logical CNOT circuits between arbitrary CSS codes, a key step towards building more flexible quantum computers. CSS codes, named after Calderbank-Shor-Steane, are a prominent class of quantum error-correcting codes defined by their structure relating to classical error-correcting codes. The ability to perform logical operations, such as the CNOT gate, between different CSS codes is crucial for modular quantum computation and fault-tolerant quantum information processing. Previously, such connections were largely limited to structurally related code families, hindering the development of heterogeneous quantum systems. The new method not only replicates established connections but also uncovers novel, low-depth solutions, including those preserving or partially preserving error detection capabilities, and can extend these to full code distance with additional measurements.
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quantum-computingRigetti's Quantum Reality: Delays, Low Revenue, And An Unjustified Premium
Melissa Tucker1.5K FollowersFollow5ShareSavePlay(6min)Comments(2)SummaryRigetti Computing faces persistent delays in scaling its superconducting qubit technology, with milestone slippages and underwhelming fidelity improvements.RGTI maintains a robust balance sheet ($570M cash, no debt), but continues to burn ~$20M per quarter with limited revenue visibility and no new meaningful contracts.Despite a $100M Department of Commerce LOI, funding is not the constraint; commercial traction remains weak, with recent contracts appearing as one-offs.RGTI’s premium valuation (248–310x PS) appears unjustified without revenue growth or technical breakthroughs, risking multiple compression toward peer levels. Just_Super/iStock via Getty Images I have covered Rigetti Computing (RGTI) before, where I outlined the company’s background in detail, explained why I didn’t understand all the excitement about the company, and why I considered it a sell. Since the This article was written byMelissa Tucker1.5K FollowersFollowWith a professional background spanning multiple industries, from ecnomocis to logistics and construction to retail, I bring a diverse perspective to investing. My international education and career experiences have provided me with a global outlook and the ability to analyze market dynamics from different cultural and economic perspectives. I have been actively investing for over a decade, honing a strategy that focuses on cyclical industries while maintaining a diversified portfolio that includes bonds, commodities, and forex. My interest in cyclical sectors stems from their potential for significant returns during periods of economic recovery and growth. However, I also recognize the importance of balancing risk, which is why I incorporate fixed-income investments (long or short).Analyst’s Disclosure: I/we have a beneficial long position in the shares of IONQ, INFQ either through stock ownership, options, or other derivatives. I wrote this article myself, and it expr
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