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Quantum Computing Companies
Photonic Inc.
Photonic Inc. is a Vancouver-based quantum computing startup pioneering a distributed, fault-tolerant quantum computer architecture built on silicon spin qubits that are optically linked by photons. In contrast to monolithic quantum processors, Photonic’s design treats networking as a native feature:…
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Industry
The Five Stages from Idea to Impact: Google’s Framework for Quantum Applications
Google’s Quantum AI team has unveiled a new five-stage framework to guide the development of useful quantum computing applications. Published as a perspective paper on arXiv and summarized in a Google blog post, this framework shifts focus from merely building…
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Industry
IBM Unveils “Nighthawk” and “Loon” Quantum Chips: Milestones Toward Quantum Advantage and Fault Tolerance
IBM has announced two significant advances in quantum computing as part of its updated roadmap on November 12, 2025. At the annual Quantum Developer Conference, the company introduced IBM Quantum Nighthawk and IBM Quantum Loon – two new processors that…
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Quantum Computing Companies
Quantum Motion
Quantum Motion is a London-based quantum computing company pioneering a silicon-based approach to building scalable quantum computers. Founded in 2017 by UCL’s Prof. John Morton and Oxford’s Prof. Simon Benjamin, the startup spun out of those universities to harness traditional…
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Research
Harvard’s 448-Atom Quantum Computer Achieves Fault-Tolerant Milestone
A Harvard-led team unveiled a record-breaking neutral-atom quantum processor that for the first time integrates all core elements of scalable, error-corrected quantum computation into a single system. Quantum computers promise exponential processing power by encoding information in qubits – quantum…
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Quantum Commercialization
Quantum Computing Due-Diligence: A Field Guide to Evaluating Startups, Technologies, and Claims
Over the years, I’ve developed a personal toolkit - a field guide - for evaluating quantum startups and their claims. The goal is to neither be swept up by the mystique nor dismiss genuine progress. This balance is crucial: the…
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Industry
Quantinuum’s Helios Quantum Computer Demonstrates Quantum Advantage
Quantum computing has reached a new milestone with Quantinuum’s Helios system - a 98-qubit trapped-ion quantum computer that has demonstrated beyond-classical performance on both benchmarking tests and a real-world simulation task. Helios Architecture: 98 Qubits with Record Fidelity Helios represents…
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Quantum Computing
Analysis of Quantinuum Helios, a 98‑Qubit Trapped‑Ion Quantum Computer
In November 2025, Quantinuum unveiled Helios, a new 98-qubit quantum processor that pushes the frontier of quantum computing with a novel trapped-ion architecture. It also published an accompanying paper on arXiv "Helios: A 98-qubit trapped-ion quantum computer." Helios is based…
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Industry
DARPA’s Quantum Benchmarking Initiative (QBI) – 11 Companies Advance to Stage B
On November 6, 2025, DARPA announced the first cohort of companies that have successfully completed Stage A and are advancing to Stage B of QBI. This announcement, quietly reflected on DARPA’s official QBI program webpage and subsequently picked up by…
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Industry
California Launches “Quantum California” Initiative
California is making a bid to become the epicenter of the quantum tech economy. In early November, Governor Gavin Newsom unveiled Quantum California, a new statewide initiative to align academia, industry, and government in accelerating quantum innovation. Announced at an…
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Industry
UK Unveils Major Quantum Initiatives at 2025 Showcase
The United Kingdom is ramping up its quantum ambitions with a slate of new initiatives and international partnerships announced at the National Quantum Technologies Showcase in London on November 7. UK officials dubbed the coming years a “Quantum Decade,” backed by…
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Industry
Quantinuum Launches ‘Helios’ Hybrid Quantum Computer, To Be Deployed in Singapore
Quantinuum, a leading quantum computing firm, has officially launched Helios, a new general-purpose quantum computing system designed for enterprise use. Billed as “the world’s most accurate” commercial quantum computer, Helios is engineered to tackle hybrid quantum-classical workloads and is set…
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Research
Princeton Builds Qubit 3× Longer-Lived (1 ms Coherence)
A team at Princeton University has achieved a major leap in quantum hardware: a superconducting qubit that retains its quantum state for over 1 millisecond - roughly three times longer than the previous record. This coherence time of 1 ms, reported…
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Industry
Quantinuum Raises $800 M at $10 B Valuation
In a sign of surging investor confidence in quantum computing, Quantinuum - the company formed by Honeywell’s quantum unit and Cambridge Quantum - has secured an $800 million funding round that values it at roughly $10 billion. The raise, announced November 5, is…
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Industry
IonQ & Partners Launch City-Scale Quantum Network in Geneva
California is making a bid to become the epicenter of the quantum tech economy. In early November, Governor Gavin Newsom unveiled Quantum California, a new statewide initiative to align academia, industry, and government in accelerating quantum innovation. Announced at an…
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