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Socionext to Develop Quantum Controller Chips for Google

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February 27, 2025

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Socionext, a leading semiconductor company based in Japan, has recently entered into a strategic partnership with Google Quantum AI, marking the first collaboration between the two entities. The primary objective of this partnership is to jointly develop controller SoCs (System on Chips) for Google Quantum AI's upcoming quantum computing system. This collaboration signifies a significant step forward in the realm of quantum computing technology.

Google Quantum AI has made notable advancements in the field, having successfully developed a 105 qubit quantum processor equipped with real-time error correction capabilities. As the next generation of quantum computing systems necessitates specialized control system chips, the partnership with Socionext is poised to play a crucial role in the development of cutting-edge quantum technologies.

The Willow processor, utilized in Google's quantum systems, leverages superconducting metals to create resonant circuits that incorporate capacitance, inductance, and Josephson junctions as nonlinear elements. Through meticulous material selection and a specialized fabrication process, the qubits can be seamlessly integrated into intricate and large-scale devices. These advanced processors are manufactured at a specialized facility located in Santa Barbara, California.

Control of the qubits is facilitated through the utilization of microwave signals, which are transmitted via specialized interconnects spanning from room temperature environments to extremely low temperatures. The interconnect wires are designed with built-in filtering mechanisms to shield the qubits from external noise interference, ensuring optimal performance and reliability.

  • Google showcases its 105 qubit processor featuring real-time error correction capabilities
  • Socionext collaborates with TSMC and ARM on the development of 2nm chiplets
  • Introduction of the world's coldest ARM processor
  • An in-depth look into Microsoft's transistor technology for the quantum computing era

With a rich history in semiconductor technology and development, Socionext brings a wealth of expertise to the table. The company's involvement in the quantum computing system controller project underscores its commitment to delivering high-precision and high-quality semiconductor devices. Socionext's existing partnerships with industry giants like TSMC and ARM further validate its capabilities, particularly in the realm of cryogenic systems.

As part of its strategic initiatives, Socionext has recently undergone a restructuring of its management board. The appointment of Hisato Yoshida as the newly appointed President and Chief Operating Officer (COO) and Global Leading Group (GLG) Co-Lead and Development Group Lead, alongside CEO Masahiro Koezuka, signifies a pivotal moment for the company. Additionally, Rajinder Cheema has been named Executive Vice President and Chief Technology Officer, as well as Global Leading Group (GLG) Co-Lead, further solidifying Socionext's leadership team.

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