BACKGROUND The past two decades have seen intense efforts aimed at building quantum
computing hardware with the potential to solve problems that are intractable on classical …

Thirty years after it was first proposed, quantum teleportation remains one of the most
important protocols in quantum information and quantum technologies, enabling the …

Future quantum internet applications will derive their power from the ability to share
quantum information across the network,. Quantum teleportation allows for the reliable …

Layered materials are taking centre stage in the ever-increasing research effort to develop
material platforms for quantum technologies. We are at the dawn of the era of layered …

Defects with associated electron and nuclear spins in solid-state materials have a long
history relevant to quantum information science that goes back to the first spin echo …

With the ability to transfer and process quantum information, large-scale quantum networks
will enable a suite of fundamentally new applications, from quantum communications to …

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

Owing to the inevitable loss in communication channels, the distance of entanglement
distribution is limited to approximately 100 kilometres on the ground. Quantum repeaters can …

Atomic defects in the solid state are a key component of quantum repeater networks for long-
distance quantum communication. Recently, there has been significant interest in rare earth …

Rare-earth ions (REIs) are promising solid-state systems for building light–matter interfaces
at the quantum level,. This relies on their potential to show narrow optical and spin …