【学术视频】新兴量子技术国际会议 | Koji Azuma of NTT Basic Research Laboratories

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• The up-to-date theory unveils that the quantum repeaters are fundamental building blocks for a quantum internet, irrespectively of the topology of optical networks.

• One way to realize it is to develop all-photonic quantum repeaters, which could lead to an energy-efficient high-speed global 'all-optical' quantum repeaters.

• Yamamoto's group at Osaka University and Pans's group at the USTC have confirmed the working principle of the all-photonic quantum repeaters.

• The challenge is to develop a device to generate large graph states (such as GHZ states and cluster state) efficiently.