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24 April 2024 |
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Drone-based all-weather entanglement distribution | | Hua-Ying Liu
; Xiao-Hui Tian
; Changsheng Gu
; Pengfei Fan
; Xin Ni
; Ran Yang
; Ji-Ning Zhang
; Mingzhe Hu
; Yang Niu
; Xun Cao
; Xiaopeng Hu
; Gang Zhao
; Yan-Qing Lu
; Zhenda Xie
; Yan-Xiao Gong
; Shi-Ning Zhu
; | | Date: |
23 May 2019 | | Abstract: | The quantum satellite is a cornerstone towards practical free-space quantum
network and overcomes the photon loss over large distance. However, challenges
still exist including real-time all-location coverage and multi-node
construction, which may be complemented by the diversity of modern drones. Here
we demonstrate the first drone-based entanglement distribution at all-weather
conditions over 200 meters (test field limited), and the
Clauser-Horne-Shimony-Holt S-parameter exceeds 2.49, within 35 kg take-off
weight. With symmetric transmitter and receiver beam apertures and
single-mode-fiber-coupling technology, such progress is ready for future
quantum network with multi-node expansion. This network can be further
integrated in picture-drone sizes for plug-and-play local-area coverage, or
loaded onto high-altitude drones for wide-area coverage, which adds flexibility
while connecting to the existing satellites and ground fiber-based quantum
network. | | Source: | arXiv, 1905.9527 | | Services: | Forum | Review | PDF | Favorites | |
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