Solid-state spin systems including nitrogen-vacancy (NV) centers in diamond constitute an
increasingly favored quantum sensing platform. However, present NV ensemble devices …

Quantum sensing using optically addressable atomic-scale defects, such as the nitrogen-
vacancy (NV) center in diamond, provides new opportunities for sensitive and highly …

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

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 …

An optimal single-photon source should deterministically deliver one, and only one, photon
at a time, with no trade-off between the source's efficiency and the photon …

Single-photon emitters play an important role in many leading quantum technologies. There
is still no'ideal'on-demand single-photon emitter, but a plethora of promising material …

Nuclear magnetic resonance (NMR) spectroscopy is a key analytical technique in chemistry,
biology, and medicine. However, conventional NMR spectroscopy requires an at least …

An outstanding goal in quantum optics and scalable photonic quantum technology is to
develop a source that each time emits one and only one entangled photon pair with …

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

The past two decades have seen great advances in developing color centers in diamond for
sensing, quantum information processing, and tests of quantum foundations. Increasingly …