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

Qudit is a multi-level computational unit alternative to the conventional 2-level qubit.
Compared to qubit, qudit provides a larger state space to store and process information, and …

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

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 …

Discrete frequency modes, or bins, present a blend of opportunities and challenges for
photonic quantum information processing. Frequency-bin-encoded photons are readily …

A key challenge for quantum science and technology is to realize large-scale, precisely
controllable, practical systems for non-classical secured communications, metrology and …

Since its discovery, quantum entanglement has challenged some of the best established
views of the world: locality and reality. Quantum technologies promise to revolutionize …

Taking advantage of quantum mechanics for executing computational tasks faster than
classical computers or performing measurements with precision exceeding the classical …

In recent years, there has been a rising interest in high‐dimensional quantum states and
their impact on quantum communication. Indeed, the availability of an enlarged Hilbert …

Due to its properties, lithium niobate is one of the most suitable material platforms for the
implementation of integrated optical quantum circuits. With the commercialization of lithium …