Quantum cryptography is arguably the fastest growing area in quantum information science.
Novel theoretical protocols are designed on a regular basis, security proofs are constantly …

In principle, quantum key distribution (QKD) offers information-theoretic security based on
the laws of physics. In practice, however, the imperfections of realistic devices might …

Worldwide, enormous efforts are directed toward the development of the so‐called quantum
internet. Turning this long‐sought‐after dream into reality is a great challenge that will …

Quantum key distribution (QKD), allows two distant parties to share encryption keys with
security based on physical laws. Experimentally, QKD has been implemented via optical …

We perform decoy-state quantum key distribution between a low-Earth-orbit satellite and
multiple ground stations located in **nglong, Nanshan, and Graz, which establish satellite-to …

Quantum key distribution (QKD) networks are promising to serve large numbers of users
with information-theoretic secure communication. In QKD networks, the detection-safe …

Quantum key distribution allows remote parties to generate information-theoretic secure
keys. The bottleneck throttling its real-life applications lies in the limited communication …

Secure communication is crucial in the Internet Age, and quantum mechanics stands poised
to revolutionize cryptography as we know it today. In this Review, we introduce the …

Optical quantum memories are essential elements in quantum networks for long-distance
distribution of quantum entanglement. Scalable development of quantum network nodes …

Quantum teleportation can transfer an unknown quantum state between distant quantum
nodes, which holds great promise in enabling large-scale quantum networks. To advance …