New era of optical quantum computers: focused on loop-based approach

抄録

Among worldwide developments of various quantum-computing hardware platforms, optical quantum computers currently stand out because of their unique approach. Recent progress in optical quantum computing has been remarkable; not only has “quantum supremacy” been achieved by beating supercomputers in specific calculations, but scalable paths to large-scale quantum computers have been discovered. Behind such progress is a new approach that breaks away from the traditional methodology of optical quantum computers. Here, we explain the background of recent progress in optical quantum computers and introduce the development and applications of our original loop-based optical quantum computer based on the new approach.