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Japan Unveils First Homegrown Quantum Computer at Expo 2025

8/27/2025

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Summary

Story summary

Japan's first domestically designed quantum computer launched at the University of Osaka's QIQB on July 28.
The system uses local components and operates on the Open Quantum Toolchain for Operators and Users (OQTOPUS).
It employs superconducting qubits and is maintained in a dilution refrigerator for low temperatures.
The computer was displayed at Expo 2025 for public engagement.
Researchers are working on quantum error correction to reduce high error rates in calculations.

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Story summary

Japan's first domestically designed quantum computer launched at the University of Osaka's QIQB on July 28.
The system uses local components and operates on the Open Quantum Toolchain for Operators and Users (OQTOPUS).
It employs superconducting qubits and is maintained in a dilution refrigerator for low temperatures.
The computer was displayed at Expo 2025 for public engagement.
Researchers are working on quantum error correction to reduce high error rates in calculations.