Single photons are a fundamental element of most quantum optical technologies. The ideal
single-photon source is an on-demand, deterministic, single-photon source delivering light …

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

A quantum emitter efficiently coupled to a nanophotonic waveguide constitutes a promising
system for the realization of single-photon transistors, quantum-logic gates based on giant …

Quantum metrology provides a route to overcome practical limits in sensing devices. It holds
particular relevance to biology, where sensitivity and resolution constraints restrict …

Optical logic gates play important roles in all-optical logic circuits, which lie at the heart of the
next-generation optical computing technology. However, the intrinsic contradiction between …

Light states composed of multiple entangled photons—such as cluster states—are essential
for developing and scaling-up quantum computing networks. Photonic cluster states can be …

The desiderata for an ideal photon source are high brightness, high single-photon purity,
and high indistinguishability. Defining brightness at the first collection lens, these properties …

This review covers recent theoretical and experimental efforts to extend the application of
the continuous-variable quantum technology of light beyond" Gaussian" quantum states …

Quantum communication as well as integrated photonic circuits require single photons
propagating in a well-defined Gaussian mode. However, tailoring the emission mode to a …

We investigate theoretically the generation of indistinguishable single photons from a
strongly dissipative quantum system placed inside an optical cavity. The degree of …