Japan launched the first superconducting quantum computer developed by Fujitsu and Riken Research Institute. Superfiguing quantum computers today are one of the most common and are used by companies like Google, IBM, and Rigetti. This design is based on superconducting circuits operating at temperatures close to absolute zero, enabling the generation of cubes.
The Japanese system, located at the Riken RQC-Fujitsu Cooperation Center, includes 64 superconducting cubes on an integrated chip. The system is capable of providing 264-state superposition and confusion, allowing for computing on a scale that is unattainable for classic computers. However, the system will work in parallel with classic computers to perform quantum simulations and control its operations.
Fujitsu indicates that quantum computers require significant error correction for effective work. Currently, a combination of a quantum computer with an HPC cluster that imitates 40 qubits will help scientists evaluate the system’s ability to reliably generate accurate results.
Riken and Fujitsu argue that the hybrid system has already proven its greater accuracy when using quantum algorithms for chemical calculations. An experiment with a hybrid system allowed for the calculation of the energy of the main state of a molecule containing 12 hydrogen atoms with higher accuracy than when using only classic algorithms.
The system has now been introduced, and Fujitsu and Riken are providing access to external companies and institutions, including Fujifilm, Tokyo Electron, Mizuho-Dl Financial Technology Co., and Mitsubishi Chemical, for joint research. Additionally, Fujitsu and Riken are already developing technologies necessary to scale the system up to 1,000 cubes.