The scale-up of quantum hardware is fundamental to realize the full potential of quantum
technology. Among a plethora of hardware platforms, photonics stands out: it provides a …

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 …

Optical qubits uniquely combine information transfer in optical fibers with a good processing
capability and are therefore attractive tools for quantum technologies. A large challenge …

Entangled photons are an integral part in quantum optics experiments and a key resource in
quantum imaging, quantum communication, and photonic quantum information processing …

In the quest to build general-purpose photonic quantum computers, fusion-based quantum
computation has risen to prominence as a promising strategy. This model allows a ballistic …

The quantum Toffoli gate is one of the most important three-qubit gates, but it is challenging
to construct a chip according to the complicated traditional circuit. Using the optimized 3D …

Recent progress in quantum computing and networking has enabled high-performance,
large-scale quantum processors by connecting different quantum modules. Optical quantum …

Two-photon Hong-Ou-Mandel (HOM) interference is a fundamental quantum effect with no
classical counterpart. The existing research on two-photon interference was mainly limited in …

Engineering single-photon states endowed with orbital angular momentum (OAM) is a
powerful tool for quantum information photonic implementations. Indeed, due to its …

Photons are the physical system of choice for performing experimental tests of the
foundations of quantum mechanics. Furthermore, photonic quantum technology is a main …