Optical microcombs represent a new paradigm for generating laser frequency combs based
on compact chip-scale devices, which have underpinned many modern technological …

Integrated nonlinear photonics provides transformative capabilities for controlling,
enhancing and manipulating material nonlinearities in miniaturized on-chip platforms. The …

Graphs have provided an expressive mathematical tool to model quantum-mechanical
devices and systems. In particular, it has been recently discovered that graph theory can be …

Controlling and programming quantum devices to process quantum information by the unit
of quantum dit, ie, qudit, provides the possibilities for noise-resilient quantum …

High-dimensional photon states (qudits) are pivotal to enhance the information capacity,
noise robustness, and data rates of quantum communications. Time-bin entangled qudits …

Microcavities enable the generation of highly efficient microcombs, which find applications in
various domains, such as high-precision metrology, sensing, and telecommunications. Such …

Let there be light–to change the world we want to be! Over the past several decades, and
ever since the birth of the first laser, mankind has witnessed the development of the science …

Integrated photonics will play a key role in quantum systems as they grow from few-qubit
prototypes to tens of thousands of qubits. The underlying optical quantum technologies can …

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

Optical artificial neural networks (ONNs)—analog computing hardware tailored for machine
learning—have significant potential for achieving ultra‐high computing speed and energy …