The generation, manipulation, storage, and detection of single photons play a central role in
emerging photonic quantum information technology. Individual photons serve as flying …

BACKGROUND Semiconductor materials feature optical and electronic properties that can
be engineered through their composition and crystal structure. The use of semiconductors …

Recent developments in chip-based photonic quantum circuits have radically impacted
quantum information processing. However, it is challenging for monolithic photonic platforms …

Worldwide, enormous efforts are directed toward the development of the so‐called quantum
internet. Turning this long‐sought‐after dream into reality is a great challenge that will …

Semiconductor quantum dots (QDs) of various material systems are being heavily
researched for the development of solid state single photon emitters, which are required for …

Photonic qubits are key enablers for quantum information processing deployable across a
distributed quantum network. An on-demand and truly scalable source of indistinguishable …

Attaining pure single-photon emission is key for many quantum technologies, from optical
quantum computing to quantum key distribution and quantum imaging. The past 20 years …

Integrated quantum photonics offers a promising path to scale up quantum optics
experiments by miniaturizing and stabilizing complex laboratory setups. Central elements of …

The long dreamed 'quantum internet'would consist of a network of quantum nodes (solid-
state or atomic systems) linked by flying qubits, naturally based on photons, travelling over …

Quantum cryptography harnesses quantum light, in particular single photons, to provide
security guarantees that cannot be reached by classical means. For each cryptographic task …