Fujitsu And Osaka University Accelerate Progress Toward Practical Quantum Computing By Significantly Increasing Computing Scale Through Error Impact Reduction In Quantum Computing Architecture

TechDogs-"Fujitsu And Osaka University Accelerate Progress Toward Practical Quantum Computing By Significantly Increasing Computing Scale Through Error Impact Reduction In Quantum Computing Architecture"

New technologies establish method to run practical quantum algorithms faster than current classical computers with fewer qubits

TOKYO, Aug. 28, 2024 /CNW/ -- Fujitsu Limited and the Center for Quantum Information and Quantum Biology at Osaka University (QIQB) today announced the joint development of two new technologies for the space-time efficient analog rotation quantum computing architecture that will accelerate the realization of practical quantum computing.

Fujitsu and QIQB have leveraged these new technologies, one that improves phase angle accuracy during phase rotation and one that automatically generates efficient qubit operation procedures, to show that it is theoretically possible for a quantum computer to perform a calculation that would take a classical computer five years, in only ten hours. The two organizations found that the calculation, a material energy estimate, would be possible using only 60,000 qubits, significantly less than the amount typically thought to be required for fault-tolerant quantum computation (FTQC) to surpass the calculation speed of classical computers.

These results demonstrate for the first time how quantum advantage, i.e., quantum computers being able to solve problems faster than current classical computers, can be achieved in the early-FTQC era, which is expected to arrive around 2030. Quantum computing is expected to accelerate technological innovations in various fields, including enabling a larger-scale analysis of the Hubbard model for developing high temperature superconductors, which may improve the efficiency of electrical infrastructure, as well as lead to innovations in material development and drug discovery.

The generation of efficient qubit operation procedures was achieved through the development of a quantum circuit generator. This system introduces a streamlined the process for converting logic gates, which are the fundamental operations of quantum computing, into physical gates, which operate the qubits. The system is also equipped with acceleration technology that minimizes computing time by dynamically changing the operational procedures of the qubits.

The two organizations initially announced the quantum computing architecture on March 23, 2023, but there were obstacles to practical applications including insufficient accuracy in phase rotation and the lack of an established physical gating procedure, a method of operating qubits suitable for specific calculation problems. These new technologies address these obstacles.

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SOURCE Fujitsu Limited

First published on Wed, Aug 28, 2024

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