Colloidal quantum dots (QDs) are nanoscale semiconductor crystals with surface ligands
that enable their dispersion in solvents. Quantum confinement effects facilitate wave function …

Spins of impurities in solids provide a unique architecture to realize quantum technologies.
A quantum register of electron and nearby nuclear spins in the lattice encompasses high …

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 …

The global quantum internet will require long-lived, telecommunications-band photon–
matter interfaces manufactured at scale. Preliminary quantum networks based on photon …

In the past decade, semiconducting qubits have made great strides in overcoming
decoherence, improving the prospects for scalability and have become one of the leading …

Quantum technology has grown out of quantum information theory and now provides a
valuable tool that researchers from numerous fields can add to their toolbox of research …

Rare-earth-doped upconversion nanoparticles are attracting considerable attention because
of their stable, coherent, narrowband and multi-colour luminescence, which features less …

Optically-interfaced spins in the solid state are a promising platform for quantum
technologies. A crucial component of these systems is high-fidelity, projective measurement …

Single atoms and atomlike defects in solids are ideal quantum light sources and memories
for quantum networks. However, most atomic transitions are in the ultraviolet-visible portion …

Error correction is important in classical and quantum computation. Decoherence caused by
the inevitable interaction of quantum bits with their environment leads to dephasing or even …