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 …

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

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

To date, quantum communication widely relies on attenuated lasers for secret key
generation. In future quantum networks, fundamental limitations resulting from their …

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 …

Single indistinguishable photons at telecom C-band wavelengths are essential for quantum
networks and the future quantum internet. However, high-throughput technology for single …

Quantum key distribution (QKD) enables the transmission of information that is secure
against general attacks by eavesdroppers. The use of on-demand quantum light sources in …

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 …

Entanglement-based quantum key distribution can enable secure communication in trusted
node-free networks and over long distances. Although implementations exist both in fiber …

Quantum key distribution with solid-state single-photon emitters is gaining traction due to
their rapidly improving performance and compatibility with future quantum networks. Here …