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PsiQuantum repurposes quantum photonics for AI with 8×8 optical circuit switch; commercialization challenges remain
Read More: PsiQuantum repurposes quantum photonics for AI with 8×8 optical circuit switch; commercialization challenges remainPsiQuantum has unveiled an 8×8 optical circuit switch prototype. In internal tests it recorded 1.2 dB insertion loss and a reconfiguration time under 3 ms.
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IQM generates GHZ state across all 54 qubits; fidelity 0.516 after REM
Read More: IQM generates GHZ state across all 54 qubits; fidelity 0.516 after REMIQM announced it generated a GHZ state across all 54 qubits of IQM Emerald, with fidelity after readout-error mitigation exceeding the classical threshold.
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D-Wave partners with LG CNS to advance quantum optimization; solver choice and vendor dependence remain concerns
Read More: D-Wave partners with LG CNS to advance quantum optimization; solver choice and vendor dependence remain concernsD-Wave and LG CNS will collaborate to develop and deploy enterprise optimization applications using quantum annealing.
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Quantum Index Originals
QI 独自コンテンツ
Quantum Index Insights
Quantum Company Portfolio
A stock portfolio of publicly traded quantum computing companies based on Quantum Index’s proprietary company rankings. It tracks both company fundamentals and market valuations over time. Currently in beta.
Quantum Industry Network
Visualize the relationships between quantum companies, partners, customers, research institutions, and government organizations. Explore the industry network shaping the commercialization of quantum technologies. Currently in beta.
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Quemix implements Idemitsu Kosan joint research in Quloud, aiming to shift to recurring revenue
Read More: Quemix implements Idemitsu Kosan joint research in Quloud, aiming to shift to recurring revenueQuemix has begun offering a new version of Quloud that implements joint research results with Idemitsu Kosan. It computes ion conduction under electric fields while tracking changes in charge.
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QuEra survey finds shift from qubit counts to QEC and logical performance, echoed by IBM
Read More: QuEra survey finds shift from qubit counts to QEC and logical performance, echoed by IBMQuEra’s 2026 Quantum Readiness Survey found 45% of respondents prioritize a roadmap to fault tolerance. However, there was no clear consensus on the most promising quantum computing architecture.
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OptQC selected for Tokyo subsidy to expand Toshima photonic quantum computing hub to 1,225 m²
Read More: OptQC selected for Tokyo subsidy to expand Toshima photonic quantum computing hub to 1,225 m²OptQC has been selected for Tokyo’s corporate location support subsidy. It will expand its Toshima R&D hub to consolidate hardware, software and business development.
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IonQ, ORNL, NVIDIA and University of Tennessee use generative AI to produce quantum optimization circuits, keeping search time ≈28s
Read More: IonQ, ORNL, NVIDIA and University of Tennessee use generative AI to produce quantum optimization circuits, keeping search time ≈28sIonQ, Oak Ridge National Laboratory (ORNL), NVIDIA and the University of Tennessee validated DQAOA-GPT, a method that uses generative AI to directly generate quantum optimization circuits. In GPU simulations, it suppressed the increase in circuit search time as subproblem size grew.
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PsiQuantum secures $100M US award to expand domestic manufacturing of photonic quantum components
Read More: PsiQuantum secures $100M US award to expand domestic manufacturing of photonic quantum componentsPsiQuantum has signed a formal agreement with the US Department of Commerce for a $100 million CHIPS and Science Act award. The funding will support development and US-based production of optical switches, single-photon detectors, and advanced packaging.
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IBM combines error mitigation and QEC, reports ~10× effective gate error reduction on 64 logical qubits
Read More: IBM combines error mitigation and QEC, reports ~10× effective gate error reduction on 64 logical qubitsIBM announced a technical approach that continuously combines quantum error mitigation and quantum error correction. In a spacetime-code demonstration, it improved effective gate error rates by roughly tenfold.
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Q-CTRL expands Fire Opal with constrained QAOA, Pauli twirling and compiler control
Read More: Q-CTRL expands Fire Opal with constrained QAOA, Pauli twirling and compiler controlQ-CTRL updated its quantum infrastructure software Fire Opal, adding constrained optimization, Pauli twirling to reduce residual errors, and a compiler option to suppress approximations.
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PsiQuantum and Brookhaven National Lab to study FTQC algorithms using Construct
Read More: PsiQuantum and Brookhaven National Lab to study FTQC algorithms using ConstructA public–private collaboration using PsiQuantum’s Construct to study algorithms and scientific applications for fault-tolerant quantum computers.
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Pasqal appoints CPO and CHRO to bolster management for device deployment and regional expansion
Read More: Pasqal appoints CPO and CHRO to bolster management for device deployment and regional expansionPasqal has named Roberto Mauro Chief Product Officer and Joëlle Lumb Chief Human Resources Officer, strengthening product and organizational capabilities for commercial deployment of neutral‑atom quantum computing.
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PsiQuantum expands quantum software ahead of FTQC, unveils resource estimates and compiler optimizations
Read More: PsiQuantum expands quantum software ahead of FTQC, unveils resource estimates and compiler optimizationsPsiQuantum will present an open development kit, educational materials, and research on quantum resource estimates for the SYK and Fermi–Hubbard models for fault-tolerant quantum computing.
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TOYO Corporation to install two IQM quantum computers, placing Radiance 20 at G‑QuAT to support Japan GTM
Read More: TOYO Corporation to install two IQM quantum computers, placing Radiance 20 at G‑QuAT to support Japan GTMTOYO Corporation has purchased an additional IQM Spark. Together with the already acquired Radiance 20, the systems will be put into operation from early 2027 and made available to domestic companies, universities, and research institutions.
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Quantum Machines runs CUDA‑Q programs across qubits, PPU, GPU and CPU via NVQLink with ~1 µs round trip
Read More: Quantum Machines runs CUDA‑Q programs across qubits, PPU, GPU and CPU via NVQLink with ~1 µs round tripA single program written in CUDA‑Q was executed across real qubits, a PPU, GPU and CPU. Quantum‑to‑classical information exchange took about 1 microsecond.