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 …

The science of quantum information has arisen over the last two decades centered on the
manipulation of individual quanta of information, known as quantum bits or qubits. Quantum …

Quantum information is a rapidly advancing area of interdisciplinary research. It may lead to
real-world applications for communication and computation unavailable without the …

Quantum teleportation is one of the most important protocols in quantum information. By
exploiting the physical resource of entanglement, quantum teleportation serves as a key …

Distributed quantum sensing uses quantum correlations between multiple sensors to
enhance the measurement of unknown parameters beyond the limits of unentangled …

We review the theory of continuous-variable entanglement with special emphasis on
foundational aspects, conceptual structures and mathematical methods. Much attention is …

The recent launch of the Micius quantum-enabled satellite heralds a major step forward for
long-range quantum communication. Using single-photon discrete-variable quantum states …

Quantum optical Gaussian states are a type of important robust quantum states which are
manipulatable by the existing technologies. So far, most of the important quantum …

Entanglement distillation is an essential protocol for long-distance quantum
communications, typically for extending the range of quantum key distribution. In the field of …

We prove that Gaussian operations are of no use for protecting Gaussian states against
Gaussian errors in quantum communication protocols. Specifically, we introduce a new …