NAOC Open IR  > 应用天文研究部
Ground-to-satellite quantum teleportation
Ren, Ji-Gang1,2,3; Xu, Ping1,2,3; Yong, Hai-Lin1,2,3; Zhang, Liang3,4; Liao, Sheng-Kai1,2,3; Yin, Juan1,2,3; Liu, Wei-Yue1,2,3; Cai, Wen-Qi1,2,3; Yang, Meng1,2,3; Li, Li1,2,3; Yang, Kui-Xing1,2,3; Han, Xuan1,2,3; Yao, Yong-Qiang5; Li, Ji6; Wu, Hai-Yan6; Wan, Song7; Liu, Lei7; Liu, Ding-Quan4; Kuang, Yao-Wu4; He, Zhi-Ping4; Shang, Peng1,2,3; Guo, Cheng1,2,3; Zheng, Ru-Hua8; Tian, Kai9; Zhu, Zhen-Cai7; Liu, Nai-Le1,2,3; Lu, Chao-Yang1,2,3; Shu, Rong3,4; Chen, Yu-Ao1,2,3; Peng, Cheng-Zhi1,2,3; Wang, Jian-Yu3,4; Pan, Jian-Wei1,2,3
2017-09-07
发表期刊NATURE
卷号549期号:7670页码:70-+
摘要An arbitrary unknown quantum state cannot be measured precisely or replicated perfectly(1). However, quantum teleportation enables unknown quantum states to be transferred reliably from one object to another over long distances(2), without physical travelling of the object itself. Long-distance teleportation is a fundamental element of protocols such as large-scale quantum networks(3,4) and distributed quantum computation(5,6). But the distances over which transmission was achieved in previous teleportation experiments, which used optical fibres and terrestrial free-space channels(7-12), were limited to about 100 kilometres, owing to the photon loss of these channels. To realize a global-scale 'quantum internet'(13) the range of quantum teleportation needs to be greatly extended. A promising way of doing so involves using satellite platforms and space-based links, which can connect two remote points on Earth with greatly reduced channel loss because most of the propagation path of the photons is in empty space. Here we report quantum teleportation of independent single-photon qubits from a ground observatory to a low-Earth-orbit satellite, through an uplink channel, over distances of up to 1,400 kilometres. To optimize the efficiency of the link and to counter the atmospheric turbulence in the uplink, we use a compact ultra-bright source of entangled photons, a narrow beam divergence and high-bandwidth and high-accuracy acquiring, pointing and tracking. We demonstrate successful quantum teleportation of six input states in mutually unbiased bases with an average fidelity of 0.80 +/- 0.01, well above the optimal state-estimation fidelity on a single copy of a qubit (the classical limit)(14). Our demonstration of a ground-to-satellite uplink for reliable and ultra-long-distance quantum teleportation is an essential step towards a global-scale quantum internet.
文章类型Article
WOS标题词Science & Technology
资助者Strategic Priority Research Program on Space Science ; Strategic Priority Research Program on Space Science ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program on Space Science ; Strategic Priority Research Program on Space Science ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China
DOI10.1038/nature23675
关键词[WOS]ENTANGLEMENT DISTRIBUTION ; NETWORK ; KILOMETERS ; OPERATIONS ; CHANNELS ; MATTER ; LIGHT ; SPINS ; STATE
收录类别SCI
语种英语
资助者Strategic Priority Research Program on Space Science ; Strategic Priority Research Program on Space Science ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program on Space Science ; Strategic Priority Research Program on Space Science ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000409388700034
引用统计
被引频次:49[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bao.ac.cn/handle/114a11/20088
专题应用天文研究部
作者单位1.Univ Sci & Technol China, Dept Modern Phys, Hefei 230026, Peoples R China
2.Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Peoples R China
3.Univ Sci & Technol China, CAS, Ctr Excellence & Synerget Innovat Ctr Quantum Inf, Shanghai 201315, Peoples R China
4.Chinese Acad Sci, Shanghai Inst Tech Phys, Key Lab Space Act Optoelect Technol, Shanghai 200083, Peoples R China
5.Chinese Acad Sci, Natl Astron Observ, Beijing 100012, Peoples R China
6.Chinese Acad Sci, Nanjing Astron Instruments Co Ltd, Nanjing 210042, Jiangsu, Peoples R China
7.Shanghai Engn Ctr Microsatellites, Shanghai 201203, Peoples R China
8.Beijing Inst Tracking & Telecommun Technol, Beijing 100094, Peoples R China
9.Xian Satellite Control Ctr, State Key Lab Astronaut Dynam, Xian 710061, Shaanxi, Peoples R China
推荐引用方式
GB/T 7714
Ren, Ji-Gang,Xu, Ping,Yong, Hai-Lin,et al. Ground-to-satellite quantum teleportation[J]. NATURE,2017,549(7670):70-+.
APA Ren, Ji-Gang.,Xu, Ping.,Yong, Hai-Lin.,Zhang, Liang.,Liao, Sheng-Kai.,...&Pan, Jian-Wei.(2017).Ground-to-satellite quantum teleportation.NATURE,549(7670),70-+.
MLA Ren, Ji-Gang,et al."Ground-to-satellite quantum teleportation".NATURE 549.7670(2017):70-+.
条目包含的文件
条目无相关文件。
个性服务
推荐该条目
保存到收藏夹
查看访问统计
导出为Endnote文件
谷歌学术
谷歌学术中相似的文章
[Ren, Ji-Gang]的文章
[Xu, Ping]的文章
[Yong, Hai-Lin]的文章
百度学术
百度学术中相似的文章
[Ren, Ji-Gang]的文章
[Xu, Ping]的文章
[Yong, Hai-Lin]的文章
必应学术
必应学术中相似的文章
[Ren, Ji-Gang]的文章
[Xu, Ping]的文章
[Yong, Hai-Lin]的文章
相关权益政策
暂无数据
收藏/分享
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。