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X Demographics
Mendeley readers
Attention Score in Context
| Title |
Satellite-to-ground quantum key distribution
|
|---|---|
| Published in |
Nature, August 2017
|
| DOI | 10.1038/nature23655 |
| Pubmed ID | |
| Authors |
Sheng-Kai Liao, Wen-Qi Cai, Wei-Yue Liu, Liang Zhang, Yang Li, Ji-Gang Ren, Juan Yin, Qi Shen, Yuan Cao, Zheng-Ping Li, Feng-Zhi Li, Xia-Wei Chen, Li-Hua Sun, Jian-Jun Jia, Jin-Cai Wu, Xiao-Jun Jiang, Jian-Feng Wang, Yong-Mei Huang, Qiang Wang, Yi-Lin Zhou, Lei Deng, Tao Xi, Lu Ma, Tai Hu, Qiang Zhang, Yu-Ao Chen, Nai-Le Liu, Xiang-Bin Wang, Zhen-Cai Zhu, Chao-Yang Lu, Rong Shu, Cheng-Zhi Peng, Jian-Yu Wang, Jian-Wei Pan |
| Abstract |
Quantum key distribution (QKD) uses individual light quanta in quantum superposition states to guarantee unconditional communication security between distant parties. In practice, the achievable distance for QKD has been limited to a few hundred kilometres, owing to the channel loss of fibers or terrestrial free space that exponentially reduced the photon rate. Satellite-based QKD promises to establish a global-scale quantum network by exploiting the negligible photon loss and decoherence in the empty out space. Here we develop and launch a low-Earth-orbit satellite to implement decoy-state QKD with over kHz key rate from the satellite to ground over a distance of up to 1,200 km, which is up to 20 orders of magnitudes more efficient than that expected using an optical fiber (with 0.2 dB/km loss) of the same length. The establishment of a reliable and efficient space-to-ground link for faithful quantum state transmission paves the way to global-scale quantum networks. |
X Demographics
The data shown below were collected from the profiles of 83 X users who shared this research output. Click here to find out more about how the information was compiled.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| India | 13 | 16% |
| United States | 8 | 10% |
| United Kingdom | 5 | 6% |
| France | 3 | 4% |
| Korea, Republic of | 2 | 2% |
| Canada | 2 | 2% |
| Japan | 2 | 2% |
| Italy | 2 | 2% |
| Spain | 2 | 2% |
| Other | 10 | 12% |
| Unknown | 34 | 41% |
Demographic breakdown
| Type | Count | As % |
|---|---|---|
| Members of the public | 57 | 69% |
| Scientists | 20 | 24% |
| Science communicators (journalists, bloggers, editors) | 4 | 5% |
| Practitioners (doctors, other healthcare professionals) | 2 | 2% |
Mendeley readers
The data shown below were compiled from readership statistics for 676 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Unknown | 676 | 100% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Ph. D. Student | 180 | 27% |
| Researcher | 90 | 13% |
| Student > Master | 73 | 11% |
| Student > Bachelor | 46 | 7% |
| Student > Doctoral Student | 23 | 3% |
| Other | 80 | 12% |
| Unknown | 184 | 27% |
| Readers by discipline | Count | As % |
|---|---|---|
| Physics and Astronomy | 297 | 44% |
| Engineering | 109 | 16% |
| Computer Science | 30 | 4% |
| Materials Science | 10 | 1% |
| Agricultural and Biological Sciences | 7 | 1% |
| Other | 32 | 5% |
| Unknown | 191 | 28% |
Attention Score in Context
This research output has an Altmetric Attention Score of 278. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 01 April 2024.
All research outputs
#130,417
of 25,837,817 outputs
Outputs from Nature
#8,522
of 98,779 outputs
Outputs of similar age
#2,829
of 331,332 outputs
Outputs of similar age from Nature
#149
of 772 outputs
Altmetric has tracked 25,837,817 research outputs across all sources so far. Compared to these this one has done particularly well and is in the 99th percentile: it's in the top 5% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 98,779 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 102.5. This one has done particularly well, scoring higher than 91% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 331,332 tracked outputs that were published within six weeks on either side of this one in any source. This one has done particularly well, scoring higher than 98% of its contemporaries.
We're also able to compare this research output to 772 others from the same source and published within six weeks on either side of this one. This one has done well, scoring higher than 80% of its contemporaries.