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  1. Article

    Open Access

    Semi-device-independent quantum random number generator with a broadband squeezed state of light

    Random numbers are a basic ingredient of simulation algorithms and cryptography, and play a significant part in computer simulation and information processing. One prominent feature of a squeezed light is its ...

    Jialin Cheng, Shaocong Liang, Jiliang Qin, Jiatong Li in npj Quantum Information (2024)

  2. Article

    Open Access

    Entangling motional atoms and an optical loop at ambient condition

    The observation of quantum entanglement in macroscopic matters has implications in the fundamental studies of quantum mechanics, as well as the implementations of quantum information technologies, such as quan...

    **ao-Ling Pang, Chao-Ni Zhang, Jian-Peng Dou, Hang Li in npj Quantum Information (2023)

  3. Article

    Open Access

    Multipartite entanglement of billions of motional atoms heralded by single photon

    Quantum theory does not prevent entanglement from being created and observed in macroscopic physical systems, in reality however, the accessible scale of entanglement is still very limited due to decoherence e...

    Hang Li, Jian-Peng Dou, **ao-Ling Pang, Chao-Ni Zhang in npj Quantum Information (2021)

  4. Article

    Open Access

    Direct observation of broadband nonclassical states in a room-temperature light–matter interface

    Nonclassical state is an essential resource for quantum-enhanced communication, computing and metrology to outperform their classical counterpart. The nonclassical states that can operate at high bandwidth and...

    Jian-Peng Dou, Ai-Lin Yang, Mu-Yan Du, Di Lao, Hang Li in npj Quantum Information (2018)