Quantum random walk is the quantum counterpart of a classical random walk. The classical
random walk concept has long been used as a computational framework for designing …

Quantum walks, the quantum mechanical counterpart of classical random walks, is an
advanced tool for building quantum algorithms that has been recently shown to constitute a …

The ability to generate complex optical photon states involving entanglement between
multiple optical modes is not only critical to advancing our understanding of quantum …

A consequent tendency toward high-performance quantum information processing is to
develop the fully integrated photonic chip. Here, we report the on-chip generation and …

On-chip integration of quantum optical systems could be a major factor enabling photonic
quantum technologies. Unlike the case of electronics, where the essential device is the …

Waveguide lattices offer a compact and stable platform for a range of applications, including
quantum walks, condensed matter system simulation, and classical and quantum …

Harnessing high-dimensional entangled states of light presents a frontier for advancing
quantum information technologies, from fundamental tests of quantum mechanics to …

We demonstrate a nonlinear optical chip that generates photons with reconfigurable
nonclassical spatial correlations. We employ a quadratic nonlinear waveguide array, where …

Photon entanglement has a range of applications from secure communication to the tests of
quantum mechanics. Utilizing optical nonlinearity for the generation of entangled photons …

We present a pulsed and integrated, highly non-degenerate parametric down-conversion
(PDC) source of heralded single photons at telecom wavelengths, paired with heralding …