The advanced notebooks, mobile phones, and Internet applications in today's world that we
use are all entrenched in classical communication bits of zeros and ones. Classical Internet …

Quantum light generated through spontaneous four-wave mixing (SFWM) process in
nonlinear materials, such as entangled photon pairs and single photons, is an important …

Quantum communication networks are crucial for both secure communication and
cryptographic networked tasks. Building quantum communication networks in a scalable …

Quantum communication networks enable applications ranging from highly secure
communication to clock synchronization and distributed quantum computing. Miniaturized …

Photonic quantum information processing relies on operating the quantum state of photons,
which usually involves bulky optical components unfavorable for system miniaturization and …

We present a scalable star-shaped quantum-key-distribution (QKD) optical-fiber network.
We use wavelength-division demultiplexing (WDM) of broadband photon pairs to establish …

Quantum networks facilitate the secure transmission of information between different users.
Establishing communication links among multiple users in a scalable and efficient way is …

Quantum key distribution (QKD) has established itself as a groundbreaking technology,
showcasing inherent security features that are fundamentally proven. Qubit-based QKD …

The entanglement distribution network connects remote users by sharing entanglement
resources, which is essential for realizing quantum internet. We propose a photonic …

Quantum optical microcombs in integrated ring resonators generate entangled photon pairs
over many spectral modes, and allow the preparation of high-dimensional qudit states …