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    Article

    Entanglement-based secure quantum cryptography over 1,120 kilometres

    Quantum key distribution (QKD)13 is a theoretically secure way of sharing secret keys between remote users. It has been demonstrated in a laboratory over a coiled optical fibre up to 404 kilometres long47. In t...

    Juan Yin, Yu-Huai Li, Sheng-Kai Liao, Meng Yang, Yuan Cao, Liang Zhang in Nature (2020)

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    Quantification of Soil Macropores at Different Slope Positions under Alpine Meadow Using Computed Tomography in the Qinghai Lake Watershed, NE Qinghai–Tibet

    Soil macropores largely control fluid and solute transport and the runoff processes on the slopes. However, the characterization of soil macropores for different slope positions under alpine meadow conditions ...

    Zong-Chao Li, **a Hu, **ao-Yan Li, Yong-Mei Huang, **u-Chen Wu in Eurasian Soil Science (2019)

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    Article

    Satellite-to-ground quantum key distribution

    Quantum key distribution (QKD) uses individual light quanta in quantum superposition states to guarantee unconditional communication security between distant parties. However, the distance over which QKD is ac...

    Sheng-Kai Liao, Wen-Qi Cai, Wei-Yue Liu, Liang Zhang, Yang Li, Ji-Gang Ren in Nature (2017)

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    Response of daily stem radial growth of Platycladus orientalis to environmental factors in a semi-arid area of North China

    The daily stem radial growth of P. orientalis during the main growing period in semi-arid areas of North China is mainly limited by moisture availability. ...

    Yuan Jiang, Bing-Qin Wang, Man-Yu Dong, Yong-Mei Huang, Ming-Chang Wang, Biao Wang in Trees (2015)

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    Direct and full-scale experimental verifications towards ground–satellite quantum key distribution

    Quantum key distribution (QKD) provides the only intrinsically unconditional secure method for communication based on the principle of quantum mechanics. Compared with fibre-based demonstrations, free-space li...

    Jian-Yu Wang, Bin Yang, Sheng-Kai Liao, Liang Zhang, Qi Shen in Nature Photonics (2013)

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    Quantum teleportation and entanglement distribution over 100-kilometre free-space channels

    Quantum teleportation of independent qubits and entanglement distribution have been demonstrated over free-space channels of about 100 kilometres, representing an important step towards a global quantum network.

    Juan Yin, Ji-Gang Ren, He Lu, Yuan Cao, Hai-Lin Yong, Yu-** Wu, Chang Liu in Nature (2012)

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    Article

    The effects of flooding on several hybrid poplar clones in Northern China

    The ecophysiological, morphological, and growth characteristics of 14 poplar clones were studied during 37 days of flooding and a 13-day recovery period. Cuttings were subjected to three soil water regimes, vi...

    Ji-Rui Gong, **n-Shi Zhang, Yong-Mei Huang, Chun-Lai Zhang in Agroforestry Systems (2007)