IBM Deploys Quantum System Two in Japan with Fugaku Supercomputer

June 23, 2025

Details

  • IBM and RIKEN unveiled the first IBM Quantum System Two outside the U.S., installed alongside the Fugaku supercomputer in Japan.
  • The collaboration is supported by NEDO, part of Japan’s Ministry of Economy, Trade and Industry.
  • The system features IBM’s 156-qubit Heron processor, offering a tenfold improvement in error rates and speed compared to previous models.
  • This marks the inaugural integration of a quantum computer with one of the world’s leading supercomputers to enable quantum-centric high-performance computing.
  • The system is intended to advance research into quantum algorithms and quantum advantage, with initial focus on complex chemistry applications.

Impact

This deployment positions Japan at the forefront of quantum and classical computing integration while expanding IBM's global quantum infrastructure. The unique hybrid architecture sets a model for future collaborations and accelerates the race for quantum advantage in critical scientific fields. The initiative underlines Japan’s commitment to leadership in next-generation computing technologies.

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