Quantum theory has been successfully validated in numerous laboratory experiments. But
would such a theory, which effectively describes the behavior of microscopic physical …

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 …

Quantum key distribution (QKD), has the potential to enable secure communication and
information transfer. In the laboratory, the feasibility of point-to-point QKD is evident from the …

Abstract Quantum key distribution (QKD),–is a theoretically secure way of sharing secret
keys between remote users. It has been demonstrated in a laboratory over a coiled optical …

The convergence of quantum cryptography with applications used in everyday life is a topic
drawing attention from the industrial and academic worlds. The development of quantum …

Photonic quantum technologies represent a promising platform for several applications,
ranging from long-distance communications to the simulation of complex phenomena …

We report on entanglement-based quantum key distribution between a low-Earth-orbit
satellite equipped with a space borne entangled-photon source and a ground observatory …

Satellite quantum communications are emerging within the panorama of quantum
technologies as a more effective strategy to distribute completely secure keys at very long …

Entanglement distribution via photons over long distances enables many applications,
including quantum key distribution, which provides unprecedented privacy. The inevitable …

Establishing secure communication links at a global scale is a major potential application of
quantum information science but also extremely challenging for the underlying technology …