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Quantum brief week 18 2026
- Researchers at the University of Oxford achieved a breakthrough by demonstrating fourth-order quadsqueezing 100 times faster than predicted, while Delft-based Groove Quantum unveiled an 18-qubit germanium processor, the largest semiconductor spin-qubit array to date.
- Strategic policy shifts occurred as the European Union began reworking the EU Chips Act to permit direct state investment in fabrication facilities, and Sweden designated quantum technology as a national strategic research area with major funding for a Chalmers-led consortium.
- The market saw significant capital concentration, with Israel's Quantum Art extending its Series A to $140 million and China’s SpinQ reaching 1 billion yuan in total funding, though experts warn that 64% of investment is flowing into just three late-stage companies.
- New solutions for infrastructure bottlenecks were introduced, including a theoretical design for "giant superatoms" to prevent decoherence and research demonstrating that logarithmic scaling in cryogenic cabling can allow 1,000 qubits to share control lines without proportional increases in complexity.
- The industry faces critical technical headwinds, most notably the "deep circuit failure" phenomenon, where noise causes long algorithms to become "forgetful," and a "Red Queen's Race" where physical information loss is currently outpacing improvements in error correction.
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By repoddit- Researchers at the University of Oxford achieved a breakthrough by demonstrating fourth-order quadsqueezing 100 times faster than predicted, while Delft-based Groove Quantum unveiled an 18-qubit germanium processor, the largest semiconductor spin-qubit array to date.
- Strategic policy shifts occurred as the European Union began reworking the EU Chips Act to permit direct state investment in fabrication facilities, and Sweden designated quantum technology as a national strategic research area with major funding for a Chalmers-led consortium.
- The market saw significant capital concentration, with Israel's Quantum Art extending its Series A to $140 million and China’s SpinQ reaching 1 billion yuan in total funding, though experts warn that 64% of investment is flowing into just three late-stage companies.
- New solutions for infrastructure bottlenecks were introduced, including a theoretical design for "giant superatoms" to prevent decoherence and research demonstrating that logarithmic scaling in cryogenic cabling can allow 1,000 qubits to share control lines without proportional increases in complexity.
- The industry faces critical technical headwinds, most notably the "deep circuit failure" phenomenon, where noise causes long algorithms to become "forgetful," and a "Red Queen's Race" where physical information loss is currently outpacing improvements in error correction.