Recent years have witnessed significant progress in quantum communication and quantum
internet with the emerging quantum photonic chips, whose characteristics of scalability …

The quest towards the integration of ultra-fast, high-precision optical clocks is reflected in the
large number of high-impact papers on the topic published in the last few years. This interest …

Photonic quantum technologies represent a promising platform for several applications,
ranging from long-distance communications to the simulation of complex phenomena …

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

Entanglement is a fundamental resource in quantum information processing. Several
studies have explored the integration of sources of entangled states on a silicon chip, but the …

Entanglement—one of the most delicate phenomena in nature—is an essential resource for
quantum information applications. Scalable photonic quantum devices must generate and …

We demonstrate the generation of quantum-correlated photon pairs combined with the
spectral filtering of the pump field by more than 95 dB on a single silicon chip using …

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 …

Entanglement is one of the most fascinating properties of quantum mechanical systems;
when two particles are entangled the measurement of the properties of one of the two allows …

In recent years, the use of integrated technologies for applications in the field of quantum
information processing and communications has made great progress. The resulting …