Quantum networks play an extremely important role in quantum information science, with
application to quantum communication, computation, metrology, and fundamental tests. One …

Optical communication channels have redefined the scope and applications of classical
computing; similarly, photonic transfer of quantum information promises to open new …

The distribution of entangled states across the nodes of a future quantum internet will unlock
fundamentally new technologies. Here, we report on the realization of a three-node …

Cryptographic key exchange protocols traditionally rely on computational conjectures such
as the hardness of prime factorization to provide security against eavesdrop** attacks …

Sharing information coherently between nodes of a quantum network is fundamental to
distributed quantum information processing. In this scheme, the computation is divided into …

The distribution of quantum states over long distances is limited by photon loss.
Straightforward amplification as in classical telecommunications is not an option in quantum …

Randomness is a fundamental feature of nature and a valuable resource for applications
ranging from cryptography and gambling to numerical simulation of physical and biological …

Quantum entanglement between distant qubits is an important feature of quantum networks.
Distribution of entanglement over long distances can be enabled through coherently …

Many proposals to scale quantum technology rely on modular or distributed designs
wherein individual quantum processors, called nodes, are linked together to form one large …

We perform a review of various approaches to the implementation of quantum memories,
with an emphasis on activities within the quantum memory sub-project of the EU integrated …