Device-independent quantum key distribution (DI-QKD) provides the gold standard for
secure key exchange. Not only does it allow for information-theoretic security based on …

Device-independent quantum key distribution (DI-QKD) is often seen as the ultimate key
exchange protocol in terms of security, as it can be performed securely with uncharacterised …

Abstract “Device-independent” not only represents a relaxation of the security assumptions
about the internal working of the quantum devices, but also can enhance the security of the …

We study entanglement creation over global distances based on a quantum repeater
architecture that uses low-Earth-orbit satellites equipped with entangled photon sources, as …

In the implementation of device-independent (DI) quantum key distribution (QKD) we are
interested in maximizing the key rate, ie the number of key bits that can be obtained per …

Abstract $\textit {Device-independent quantum key distribution} $ protocols allow two honest
users to establish a secret key with minimal levels of trust on the provider, as security is …

Blind quantum computation (BQC) is a type of quantum computation model. For a client
(Alice) who does not have enough sophisticated technology and knowledge to perform …

Inherent channel losses during photon transmission limit the efficiency of optical quantum
communication. In this paper, we construct a hyperdistillation scheme which can be used to …

If a single-mode nonclassical light is combined with the vacuum on a beam splitter, then the
output state is entangled. As proposed in [Phys. Rev. Lett. 94, 173602 (2005) PRLTAO 0031 …

We describe a direct method to determine the negativity of an arbitrary two-qubit state in
experiments. The method is derived by analyzing the relation between the purity, negativity …