Photons have been a flagship system for studying quantum mechanics, advancing quantum
information science, and develo** quantum technologies. Quantum entanglement …

X-ray crystallography has been central to the development of many fields of science over the
past century. It has now matured to a point that as long as good-quality crystals are …

Complex optical photon states with entanglement shared among several modes are critical
to improving our fundamental understanding of quantum mechanics and have applications …

Quantum light–matter interfaces are at the heart of photonic quantum technologies.
Quantum memories for photons, where non-classical states of photons are mapped onto …

Integrated quantum photonic applications, providing physically guaranteed communications
security, subshot-noise measurement, and tremendous computational power, are nearly …

Quantum-photonic chips, which integrate quantum light sources alongside active and
passive optical elements, as well as single-photon detectors, show great potential for …

The femtosecond laser direct‐writing (FLDW) of waveguide circuits in glasses has seen
interest from a number of fields over the previous 20 years. It has evolved from a curiosity to …

Integrated quantum photonics, ie the generation, manipulation, and detection of quantum
states of light in integrated photonic chips, is revolutionizing the field of quantum information …

The non-deterministic nature of photon sources is a key limitation for single-photon quantum
processors. Spatial multiplexing overcomes this by enhancing the heralded single-photon …

Assisted by the rapid development of photonic integrated circuits, scalable and versatile chip-
based quantum light sources with nonlinear optics are increasingly tangible for real-world …