Integrated quantum photonics uses classical integrated photonic technologies and devices
for quantum applications. As in classical photonics, chip-scale integration has become …

A quantum internet is the holy grail of quantum information processing, enabling the
deployment of a broad range of quantum technologies and protocols on a global scale …

Lithium niobate (LN), an outstanding and versatile material, has influenced our daily life for
decades—from enabling high-speed optical communications that form the backbone of the …

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

Integrated photonics will play a key role in quantum systems as they grow from few-qubit
prototypes to tens of thousands of qubits. The underlying optical quantum technologies can …

Quantum simulators are a promising technology on the spectrum of quantum devices from
specialized quantum experiments to universal quantum computers. These quantum devices …

The great promise of quantum computers comes with the dual challenges of building them
and finding their useful applications. We argue that these two challenges should be …

Scaling is now a key challenge in superconducting quantum computing. One solution is to
build modular systems in which smaller-scale quantum modules are individually constructed …

Photons with optical frequencies of a few hundred terahertz are perhaps the only way to
distribute quantum information over long distances. Superconducting qubits, which are one …

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 …