Computers and IT

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Tech & Science

Quantum Control Breakthrough: Japan's QuEL Proves 24-Hour Stability — A Key Step Toward Large-Scale Quantum Computers

Osaka University startup QuEL has demonstrated 24-hour stable operation of its quantum bit control device QuEL-1 SE, achieving amplitude standard deviation of 0.15% and phase standard deviation of 0.39°. Published in Review of Scientific Instruments, this breakthrough in device-level temperature control clears fault-tolerant thresholds crucial for scaling quantum computers toward the million-qubit era.

Business & Finance

Submarine Cable Capacity Quadrupled: NTT's Multi-Core Fiber Could Reshape Global Internet Infrastructure

NTT has developed multi-core optical fiber technology that quadruples submarine cable capacity without changing cable structure. Achieving 192 cores (48 fibers × 4 cores) with deployment targeted for 2029, this Japanese innovation addresses the explosive data demands of the AI era. We explore the technology alongside Big Tech's submarine cable investment race.

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Tech & Science

Quantum Chemistry Simulation Record: Osaka University Breaks 40-Qubit Barrier Using 1,024 GPUs

Osaka University's QIQB and Fixstars achieved the world's largest quantum chemistry circuit simulation using 1,024 NVIDIA H100 GPUs on Japan's ABCI-Q supercomputer. Breaking the previous 40-qubit barrier, they simulated H₂O with 42 spin orbitals and Fe₂S₂ with 41 qubits — accelerating quantum algorithm development before fault-tolerant quantum computers arrive.

Tech & Science

Quantum Startup Quemix Scores Big on Fugaku: How a Small Japanese Venture Achieved World-First Results on a Supercomputer

Quemix CEO Yuichiro Matsushita achieved a world-first in quantum chemistry simulation on Japan's Fugaku supercomputer. This report explores how researcher autonomy drove the breakthrough, Quemix's partnerships with Honda and Asahi Kasei, and Japan's growing quantum startup ecosystem including QunaSys and Fixstars Amplify.

Tech & Science

NTT's IOWN Goes Global: Japan's Optical Network Partners with Europe's ETSI to Set the 6G-Era Standard

NTT's next-generation communication infrastructure "IOWN" has entered a comprehensive partnership with Europe's ETSI to advance global standardization. With photonics-electronics convergence technology promising 1/100th the power consumption and 1/200th the latency, this Japan-born innovation takes a major step toward becoming the world standard at MWC Barcelona 2026. Can Japan lead the way in the US-China 6G race?

Tech & Science

AI-RAN Alliance: Japan's Government Joins Global Push to Turn Cell Towers Into AI Brains

Japan's Ministry of Internal Affairs and Communications has joined the AI-RAN Alliance, an international consortium turning cell towers into AI processing hubs. With SoftBank, NVIDIA, Samsung, and other tech giants on board, this move signals Japan's commitment to distributed AI infrastructure — and its strategic positioning in the US-China tech race heading into the 6G era.