Programmable integrated photonics is an emerging new paradigm that aims at designing
common integrated optical hardware resource configurations, capable of implementing an …

Quantum information science offers inherently more powerful methods for communication,
computation, and precision measurement that take advantage of quantum superposition and …

Improvement in secure transmission of information is an urgent need for governments,
corporations and individuals. Quantum key distribution (QKD) promises security based on …

Integrated photonics offers great potential for quantum communication devices in terms of
complexity, robustness, and scalability. Silicon photonics in particular is a leading platform …

Modern communication strives towards provably secure systems which can be widely
deployed. Quantum key distribution provides a methodology to verify the integrity and …

Single photon emitters play a central role in many photonic quantum technologies. A
promising class of single photon emitters consists of atomic color centers in wide-bandgap …

Photon sources are fundamental components for any quantum photonic technology. The
ability to generate high count-rate and low-noise correlated photon pairs via spontaneous …

Integrated optical chips have already been established for application in optical
communication. They also offer interesting future perspectives for integrated quantum optics …

Integrated quantum photonics is a promising approach for future practical and large-scale
quantum information processing technologies, with the prospect of on-chip generation …

This article reviews recent progress in quasi-phasematched $\chi^{(2)} $ nonlinear
nanophotonics, with a particular focus on dispersion-engineered nonlinear interactions …