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 …

The nitrogen-vacancy (NV) center in diamond is a solid-state defect qubit with favorable
coherence time up to room temperature, which could be harnessed in several quantum …

Spin defects in silicon carbide have the advantage of exceptional electron spin coherence
combined with a near-infrared spin-photon interface, all in a material amenable to modern …

Scalable quantum networking requires quantum systems with quantum processing
capabilities. Solid state spin systems with reliable spin–optical interfaces are a leading …

We demonstrate that silicon-vacancy (SiV) centers in diamond can be used to efficiently
generate coherent optical photons with excellent spectral properties. We show that these …

Tin-vacancy centers in diamond are promising spin-photon interfaces owing to their high
quantum efficiency, large Debye-Waller factor, and compatibility with photonic …

Realizing robust quantum information transfer between long-lived qubit registers is a key
challenge for quantum information science and technology. Here we demonstrate …

A future quantum network will consist of quantum processors that are connected by quantum
channels, just like conventional computers are wired up to form the Internet. In contrast to …

Optically active point defects in crystals have gained widespread attention as photonic
systems that could be applied in quantum information technologies,. However, challenges …

Solid-state quantum emitters that couple coherent optical transitions to long-lived spin qubits
are essential for quantum networks. Here we report on the spin and optical properties of …