Recent topics

• An experimental comparison of coherent Ising machines and a quantum annealer
• 2D Ising model on coherent Ising machine
• Controlled phase gate for time-bin qubits
• Coherent Network Computing 2019 to be held in NTT Atsugi R&D Center
• A 2048-spin coherent Ising machine for complex optimization problems
• Large-scale time-multiplexed degenerate optical parametric oscillators for coherent Ising machine
• Quantum teleportation over 100 km of fiber This work was introduced in media, including Washington Post, Research Highlights in Nature Photonics, and Nature,"Science fiction: boldly going for 50 years". It was a great honor that this work was tweeted by an original Star Trek actor Mr. George Takei.
• Experimental quantum cryptography without monitoring error rate Summary video produced by NPG available here
• Our work is selected as one of Nature's Quantum Optics Milestones

Contents

• Coherent Ising machine
• Quantum communication and integrated quantum photonics
• Others