Research groups at Hokkaido University and Kyoto University have developed a method to realize a quantum computer using light at the current technological level.

　The research group of Kyoto University and others has found that even a "weak" quantum computer that can use only one qubit is "stronger" than a classical computer […].

　Tohoku University and Nomura Holdings, Inc. announced on February 2018, 2, D-Wave Systems of Canada (D-Wave […]]

　A research group led by Assistant Professor Fujiwara of Tokyo University of Science has been experimenting with minerals found at Tolbachik volcano on the Kamchatka Peninsula from both sides of the experiment and theory […].

　A research group at the University of Tokyo has been able to accurately and quickly track the effects of quantum errors that occur inside quantum computers, which was previously impossible […].

　Tomoyuki Morimae, Associate Professor, Department of Electronic Information, Graduate School of Science and Technology, Gunma University, said that even quantum computers with extremely noisy noise and weak computing power are old […].

　Professor Akira Furusawa and Assistant Professor Shuntaro Takeda of the University of Tokyo Graduate School of Engineering have researched the ability to perform large-scale quantum computation with the smallest circuit configuration with a loop structure […].

　Fujitsu Laboratories (Kawasaki City, President Shigeru Sasaki) has entered into a strategic partnership with the University of Toronto, Canada, with quantum computing at its core […]