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Quantum Computing Weekly Round-Up: Week Ending August 15, 2026
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Quantum Computing Weekly Round-Up: Week Ending August 15, 2026

Pasqal moved atom trapping onto a photonic chip, Q-CTRL ran a 100-qubit Fourier Transform on IBM hardware, and Quantinuum parked Helios inside Oracle’s cloud. Utah formalized a statewide quantum initiative while Infleqtion doubled revenue and raised guidance. Post-quantum tools reached GSA schedules and live blockchains. This was the week hardware, software, and policy all accelerated together. The post Quantum Computing Weekly Round-Up: Week Ending August 15, 2026 appeared first on The Qubit Report.

Aug 14, 2026

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Mitsui & Co. and Mitsubishi Electric Benchmark Approximate and Logical QFT on Quantinuum Heliosquantum-computing

Mitsui & Co. and Mitsubishi Electric Benchmark Approximate and Logical QFT on Quantinuum Helios

Mitsui & Co. and Mitsubishi Electric Benchmark Approximate and Logical QFT on Quantinuum Helios Japanese industrial conglomerates Mitsui & Co. and Mitsubishi Electric have published joint experimental benchmarks evaluating the Quantum Fourier Transform (QFT) on Quantinuum’s 98-qubit Helios trapped-ion quantum computer. Detailed in a co-authored white paper (“Experimental Evaluation of the Quantum Fourier Transform on a Trapped-Ion Quantum Computer“), the team executed both physical-qubit approximate QFT and Steane-encoded logical QFT circuits. The experiment evaluates hardware scaling and algorithmic utility across two computational regimes: Physical Qubit Approximate QFT (Up to 98 Qubits): The researchers executed approximate QFT circuits up to the processor’s full 98 physical qubit capacity. By setting the small-angle phase rotation truncation parameter (degs=5), the system preserved a non-zero target-state probability (Ptarget​=0.143 at 98 qubits) while applying leakage-detection (LD) post-selection to mitigate environmental physical errors. Logical QFT with Steane Code (Up to 12 Logical Qubits): Using the 7-qubit Steane error-correcting code ([[7,1,3]]), the team instantiated up to 12 logical qubits across 84 physical qubits. Evaluating error-detection post-selection against active error correction, the team observed that error detection achieved higher logical target-state probabilities (PL​target = 0.934 for 4 logical qubits, 0.774 for 8 logical qubits) at the cost of reduced shot acceptance rates (31% at 8 logical qubits, 8% at 12 logical qubits). Logical T-Gate Implementation Trade-Offs: In a two-logical-qubit QFT test, the team compared non-fault-tolerant direct analog rotations with fault-tolerant code-switching state injection (using 30 physical qubits across quantum Reed-Muller and Steane blocks). Direct analog rotation yielded higher output fidelity under current physical noise levels, highlighting the operational overheads associated with full

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Quantinuum, NVIDIA, and Pfizer Validate Generative Quantum AI (GenQAI) Framework for Pharmaceutical R&Dquantum-computing

Quantinuum, NVIDIA, and Pfizer Validate Generative Quantum AI (GenQAI) Framework for Pharmaceutical R&D

Quantinuum, NVIDIA, and Pfizer Validate Generative Quantum AI (GenQAI) Framework for Pharmaceutical R&D Researchers from Quantinuum, NVIDIA, and Pfizer Inc. have validated a Generative Quantum AI (GenQAI) framework designed to automate and accelerate quantum circuit synthesis for pharmaceutical research and electronic structure modeling. In their paper, “Learning to Prepare Molecular Ground States with Transformer Models“, the hybrid architecture combines classical High-Performance Computing (HPC), generative transformer models, and quantum processing units (QPUs) to compute ground-state preparation circuits for complex active pharmaceutical ingredients (APIs). The multi-institutional team introduced ADAPT-GQE, a generative AI model trained on quantum chemistry datasets generated via GPU-accelerated classical supercomputing. The model predicts complete ground-state quantum circuits for imipramine—a tricyclic antidepressant used as an industry benchmark for forced degradation and shelf-life stability studies—executing the resulting circuits on Quantinuum’s 98-qubit Helios-1 trapped-ion hardware. [ GenQAI / ADAPT-GQE Quantum Circuit Synthesis Pipeline ] │ ┌────────────────────────────────────────┼────────────────────────────────────────┐ ▼ ▼ ▼ HPC Data Generation (NVIDIA CUDA-Q) Generative AI Circuit Synthesis QPU Execution & Validation • GPU-Accelerated ADAPT-VQE Circuits. • Fine-Tuned NVIDIA Nemotron Models. • Quantinuum Helios-1 Processor. • OpenMM & MACE-OFF MD Conformers. • Gemma 3 / Nemotron-Nano Transformer. • InQuanto Chemistry Platform. • 12 to 16 Active-Space Qubit Maps. • 3-4 Orders of Magnitude Speedup. • Validated Imipramine Ground State. The experiment resolves a fundamental computational bottleneck in near-term variational quantum algorithms (VQEs): Bypassing Iterative Gradient Calculations: Standard adaptive algorithms like ADAPT-VQE require evaluating thousands of operator gradients and re-optimizing parameter landscapes at every step, ren

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Top 10 Quantum Computing Companies in Francetechnology

Top 10 Quantum Computing Companies in France

France’s quantum ecosystem spans neutral atoms, cat qubits, photonics, silicon spin processors, quantum networking and sensing. QuantumNews ranks the ten companies leading this diverse and increasingly commercial technology landscape.

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Sunlight generates entangled photon pairs for the first timeresearch

Sunlight generates entangled photon pairs for the first time

Researchers have achieved this milestone despite sunlight's low coherence and intensity, offering a sustainable alternative to lasers.

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Gujarat to Launch State Quantum Mission, Joining India’s Race to Build Regional Quantum Hubsquantum-computing

Gujarat to Launch State Quantum Mission, Joining India’s Race to Build Regional Quantum Hubs

The Gujarat government plans to establish a dedicated Quantum Mission to accelerate research, skills and practical applications across the state. The initiative will complement India’s ₹6,003.65-crore National Quantum Mission, although Gujarat is yet to announce its budget, governance structure or implementation timeline.

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Top 10 Quantum Computing Companies in Japanquantum-computing

Top 10 Quantum Computing Companies in Japan

Japan is quietly building one of the world's most complete quantum ecosystems — spanning superconducting processors, cold neutral-atom hardware, cryogenic materials, quantum software, and pharma-grade quantum chemistry. According to QuantumNews' Japan country page, the ecosystem now counts 52 companies, 8 university research clusters, and 1 national research institution, concentrated heavily around Tokyo (35 companies), with smaller hubs in Osaka, Wako, Yokohama, Chigasaki, Kyoto, Hamamatsu, and Tsukuba. Here's a deep dive into the Top 10 Japanese quantum computing companies, ranked by their QuantumNews Quantum Score — a composite measure of hardware scale, gate fidelity/error-correction maturity, funding raised & investor quality, and commercial momentum & partnerships.

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India’s 1,000-Km Quantum-Secure Network Marks a Defining Moment for the National Quantum Missiontechnology

India’s 1,000-Km Quantum-Secure Network Marks a Defining Moment for the National Quantum Mission

India’s National Quantum Mission has demonstrated a 1,000-kilometre quantum-secured communication network using indigenous technology developed by QNu Labs. The milestone takes India halfway towards its 2,000-kilometre inter-city QKD target and strengthens the country’s position in quantum communication and cybersecurity.

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Silicon-Spin Quantum Computers Move Closer to Integrated Chipstechnology

Silicon-Spin Quantum Computers Move Closer to Integrated Chips

Researchers have integrated silicon spin qubits, cryogenic CMOS control and superconducting interconnects into a working quantum processing unit. The advance addresses one of the biggest barriers to scaling silicon quantum computers: controlling large numbers of qubits without overwhelming cryogenic systems with wiring.

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D-Wave Reports Its Q2 2026 Financial Results Showing Bookings Surge, Technical Progress, and Quantum Circuits Acquisition Impact

D-Wave Reports Its Q2 2026 Financial Results Showing Bookings Surge, Technical Progress, and Quantum Circuits Acquisition Impact

Aug 8, 2026
Quantum Computing Inc. Reports Q2 2026 Financial Results: Revenue Surges to $5.6M and Fab 2 Launch via NHanced Acquisition

Quantum Computing Inc. Reports Q2 2026 Financial Results: Revenue Surges to $5.6M and Fab 2 Launch via NHanced Acquisition

Aug 11, 2026
Rigetti Computing Reports Q2 2026 Financial Results: Revenue Up 185% YoY, $100M CHIPS Act LOI, and HPE Supercomputing Partnership

Rigetti Computing Reports Q2 2026 Financial Results: Revenue Up 185% YoY, $100M CHIPS Act LOI, and HPE Supercomputing Partnership

Aug 8, 2026
This tiny gold crystal could bring quantum technology out of the deep freeze

This tiny gold crystal could bring quantum technology out of the deep freeze

Aug 8, 2026
CliNR Quantum LDPC Codes Unlock 3× Faster Joint Logical Measurements

CliNR Quantum LDPC Codes Unlock 3× Faster Joint Logical Measurements

Aug 8, 2026
TuringQ Planning to IPO and In Race to Become China’s First Public Quantum Firm

TuringQ Planning to IPO and In Race to Become China’s First Public Quantum Firm

Aug 8, 2026
Infleqtion wins contract to apply quantum computing to grid vulnerabilities

Infleqtion wins contract to apply quantum computing to grid vulnerabilities

Aug 10, 2026
KKR shared profits from a big sale with employees. Here's what they're doing with the windfall.

KKR shared profits from a big sale with employees. Here's what they're doing with the windfall.

Aug 9, 2026
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India National Quantum Mission

Explore India's ₹6,003 Crore quantum initiative: 4 thematic hubs, leading startups, and the latest developments in India's quantum ecosystem

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