Assisted by the rapid development of photonic integrated circuits, scalable and versatile chip-
based quantum light sources with nonlinear optics are increasingly tangible for real-world …

Quantum light generated through spontaneous four-wave mixing (SFWM) process in
nonlinear materials, such as entangled photon pairs and single photons, is an important …

By solving the Maxwell's equations in Fourier space, we find that the cross-polarized
component of the dipole scattering field can be written as the second-order spatial …

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 …

Integrated photon-pair sources are crucial for scalable photonic quantum systems. Thin-film
lithium niobate is a promising platform for on-chip photon-pair generation through …

Applied quantum optics stands to revolutionise many aspects of information technology,
provided performance can be maintained when scaled up. Silicon quantum photonics …

Entangled photon-pair sources are pivotal in various quantum applications. Miniaturizing the
quantum devices to meet the requirement in limited space applications drives the search for …

The generation of single photons in the mid-infrared spectral region is attracting the interest
of scientific and technological research, motivated by the potential improvements that many …

As the superiority of quantum two-way time transfer (Q-TWTT) has been proved convincingly
over fiber links, its implementation on free-space links becomes an urgent need for remote …

We describe the use of cascaded second-order coupled-resonator optical waveguide
(CROW) tunable filters to achieve one of the highest reported measured extinction ratios of …