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 …

In the past 20 years, impressive progress has been made both experimentally and
theoretically in superconducting quantum circuits, which provide a platform for manipulating …

Advanced photonic nanostructures are currently revolutionizing the optics and photonics
that underpin applications ranging from light technology to quantum-information processing …

Photonic nanostructures provide a means of tailoring the interaction between light and
matter and the past decade has witnessed tremendous experimental and theoretical …

The realization of strong interactions between individual photons is a long-standing goal of
both fundamental and technological significance. Scientists have known for over half a …

By analogy to transistors in classical electronic circuits, quantum optical switches are
important elements of quantum circuits and quantum networks,,. Operated at the …

Distributed quantum networks will allow users to perform tasks and to interact in ways which
are not possible with present-day technology. Their implementation is a key challenge for …

We propose a novel one-way quantum repeater architecture based on photonic tree-cluster
states. Encoding a qubit in a photonic tree cluster protects the information from transmission …

The ability to process optical signals without passing into the electrical domain has always
attracted the attention of the research community. Processing photons by photons unfolds …

Strong non-linear interactions between photons enable logic operations for both classical
and quantum-information technology. Unfortunately, non-linear interactions are usually …