Optical-Relayed Entanglement Distribution Using Drones as Mobile Nodes

doi:10.1103/PhysRevLett.126.020503

. 2021 Jan 15;126(2):020503.

doi: 10.1103/PhysRevLett.126.020503.

Optical-Relayed Entanglement Distribution Using Drones as Mobile Nodes

Hua-Ying Liu¹, Xiao-Hui Tian¹, Changsheng Gu¹, Pengfei Fan¹, Xin Ni¹, Ran Yang¹, Ji-Ning Zhang¹, Mingzhe Hu¹, Jian Guo¹, Xun Cao¹, Xiaopeng Hu¹, Gang Zhao¹, Yan-Qing Lu¹, Yan-Xiao Gong¹, Zhenda Xie¹, Shi-Ning Zhu¹

Affiliations

Affiliation

¹ National Laboratory of Solid State Microstructures, School of Electronic Science and Engineering, School of Physics, College of Engineering and Applied Sciences, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China.

PMID: 33512193
DOI: 10.1103/PhysRevLett.126.020503

Optical-Relayed Entanglement Distribution Using Drones as Mobile Nodes

Hua-Ying Liu et al. Phys Rev Lett. 2021.

. 2021 Jan 15;126(2):020503.

doi: 10.1103/PhysRevLett.126.020503.

Authors

Affiliation

¹ National Laboratory of Solid State Microstructures, School of Electronic Science and Engineering, School of Physics, College of Engineering and Applied Sciences, and Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing 210093, China.

PMID: 33512193
DOI: 10.1103/PhysRevLett.126.020503

Abstract

Entanglement distribution has been accomplished using a flying drone, and this mobile platform can be generalized for multiple mobile nodes with optical relay among them. Here we develop the first optical relay to reshape the wave front of photons for their low diffraction loss in free-space transmission. Using two drones, where one distributes the entangled photons and the other serves as relay node, we achieve entanglement distribution with Clauser-Horne-Shimony-Holt S parameter of 2.59±0.11 at 1 km distance. Key components for entangled source, tracking, and relay are developed with high performance and are lightweight, constructing a scalable airborne system for multinode connectio and toward mobile quantum networks.

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Optical-Relayed Entanglement Distribution Using Drones as Mobile Nodes

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Optical-Relayed Entanglement Distribution Using Drones as Mobile Nodes

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