A quantum internet is the holy grail of quantum information processing, enabling the
deployment of a broad range of quantum technologies and protocols on a global scale …

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 …

State of the art classical and quantum communications rely on standard optical fibers with
solid cores to transmit light over long distances. However, recent advances have led to the …

Maxwell's Demon is at the heart of the interrelation between quantum information
processing and thermodynamics. In this thought experiment, a demon generates a …

The photonic platform holds great promise for quantum computing. Nevertheless, the
intrinsic probabilistic characteristic of its native fusion operations introduces substantial …

The field of indefinite causal order (ICO) has seen a recent surge in interest. Much of this
research has focused on the quantum switch, wherein multiple parties act in a superposition …

Performance of quantum teleportation is typically measured by the average fidelity, an
overlap between the input and output states. Along with the first moment, we introduce the …

Non-destructive heralded entanglement with photons is a valuable resource for quantum
information processing. However, they generally entail ancillary particles and modes that …

Entangled quantum states are essential ingredients for many quantum technologies, but
they must be validated before they are used. As a full characterization is prohibitively …