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

In the context of quantum technologies, the generation and manipulation of single photons
has become a key element for applications such as quantum communication and quantum …

Integrated quantum photonics uses classical integrated photonic technologies and devices
for quantum applications. As in classical photonics, chip-scale integration has become …

Quantum technologies comprise an emerging class of devices capable of controlling
superposition and entanglement of quantum states of light or matter, to realize fundamental …

The ability to control multidimensional quantum systems is central to the development of
advanced quantum technologies. We demonstrate a multidimensional integrated quantum …

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

Entanglement is a quintessential quantum mechanical phenomenon with no classical
equivalent. First discussed by Einstein, Podolsky, and Rosen and formally introduced by …

Generating large multiphoton entangled states is of main interest due to enabling universal
photonic quantum computing and all-optical quantum repeater nodes. These applications …

Complex entangled states are the key resources for measurement-based quantum
computations, which is realised by performing a sequence of measurements on initially …

Multi-level (qudit) entangled photon states are a key resource for both fundamental physics
and advanced applied science, as they can significantly boost the capabilities of novel …