In the context of quantum technologies, the generation and manipulation of single photons
has become a key element for applications such as quantum communication and quantum …

Quantum random sampling is the leading proposal for demonstrating a computational
advantage of quantum computers over classical computers. Recently the first large-scale …

Photonics is a promising platform for implementing universal quantum information
processing. Its main challenges include precise control of massive circuits of linear optical …

Photonic quantum computing is one of the leading approaches to universal quantum
computation. However, large-scale implementation of photonic quantum computing has …

All our former experience with application of quantum theory seems to say that what is
predicted by quantum formalism must occur in the laboratory. But the essence of quantum …

How can one prove that a given quantum state is entangled? In this paper we review
different methods that have been proposed for entanglement detection. We first explain the …

Entangled photon sources are desirable and key elements for photonic quantum information
processing. The spontaneous parametric down‐conversion (SPDC) process is a convenient …

Quantum computation offers a promising new kind of information processing, where the non-
classical features of quantum mechanics are harnessed and exploited. A number of models …

In 2001, all-optical quantum computing became feasible with the discovery that scalable
quantum computing is possible using only single-photon sources, linear optical elements …

Multiphoton interference reveals strictly nonclassical phenomena. Its applications range
from fundamental tests of quantum mechanics to photonic quantum information processing …