A quantum internet is the holy grail of quantum information processing, enabling the
deployment of a broad range of quantum technologies and protocols on a global scale …

A future quantum internet is expected to generate, distribute, store and process quantum bits
(qubits) over the world by linking different quantum nodes via quantum states of light. To …

Quantum computing aims at exploiting quantum phenomena to efficiently perform
computations that are unfeasible even for the most powerful classical supercomputers …

Graph codes play an important role in photonic quantum technologies as they provide
significant protection against qubit loss, a dominant noise mechanism. Here, we develop …

Epitaxial quantum dots formed by III–V compound semiconductors are excellent sources of
non-classical photons, creating single photons and entangled multi-photon states on …

A spin-photon interface should operate with both coherent photons and a coherent spin to
enable cluster-state generation and entanglement distribution. In high-quality devices, self …

High-harmonic generation (HHG) has emerged as a pivotal process in strong-field physics,
yielding extreme ultraviolet radiation and attosecond pulses for a wide range of applications …

Entanglement has evolved from an enigmatic concept of quantum physics to a key
ingredient of quantum technology. It explains correlations between measurement outcomes …

Since linear-optical two-photon gates are inherently probabilistic, measurement-based
implementations are particularly well suited for photonic platforms: a large highly-entangled …

Deterministic photon sources allow long-term advancements in quantum optics. A single
quantum emitter embedded in a photonic resonator or waveguide may be triggered to emit …