Communication security has to evolve to a higher plane in the face of the threat from the
massive computing power of the emerging quantum computers. Quantum secure direct …

Quantum key distribution provides secure keys with information-theoretic security ensured
by the principle of quantum mechanics. The continuous-variable version of quantum key …

The continuous-variable version of quantum key distribution (QKD) offers the advantages
(over discrete-variable systems) of higher secret key rates in metropolitan areas, as well as …

Photonic quantum technology can be enhanced by monolithic fabrication of both the
underpinning quantum hardware and the corresponding electronics for classical readout …

Silicon photonics is rapidly evolving as an advanced chip framework for implementing
quantum technologies. With the help of silicon photonics, general-purpose programmable …

We demonstrate a 6 Gbps real-time optical quantum random number generator by
measuring vacuum fluctuation. To address the common problem that speed gap exists …

Phase-sensitive detection is the essential projective measurement for measurement-based
continuous-variable quantum information processing. The bandwidth of conventional …

As a fundamental phenomenon in nature, randomness has a wide range of applications in
the fields of science and engineering. Among different types of random number generators …

Squeezed vacuum is a versatile resource of bipartite entanglement for quantum metrology
and information. Optical parametric oscillators generate these states in a frequency comb …

The shot-noise unit (SNU) is a crucial factor for the practical security of a continuous-variable
quantum key distribution system. In the most widely used experimental scheme, the SNU …