The ability to determine the joint spectral properties of photon pairs produced by the
processes of spontaneous parametric downconversion (SPDC) and spontaneous four-wave …

Integrated optical devices will play a central role in the future development of nonlinear
quantum photonics. Here we consider the generation of nonclassical states of light within …

Quantum technology is poised to enable a step change in human capability for computing,
communications and sensing. Photons are indispensable as carriers of quantum information …

Time correlated photon pairs are used to produce heralded single photon states for quantum
integrated circuits. These states are generated by photon sources, which are called …

Frequency encoding is quickly becoming an attractive prospect for quantum information
protocols owing to larger Hilbert spaces and increased resilience to noise compared to other …

The purpose of this tutorial paper is to present a broad overview of photon-pair generation
through the spontaneous four wave mixing (SFWM) process in optical fibers. Progress in …

The ideal photon-pair source for building up multi-qubit states needs to produce
indistinguishable photons with high efficiency. Indistinguishability is crucial for minimising …

When building a parametric down-conversion photon-pair source with spectrally separable
photons, eg, for making high-purity heralded single photons, two practical issues must be …

Photonic quantum technology increasingly uses frequency encoding to enable higher
quantum information density and noise resilience. Pulsed time-frequency modes (TFM) …

The ability to manipulate and measure the time-frequency structure of quantum light is useful
for information processing and metrology. Measuring this structure is also important when …