Quantum information processing is nowadays an established branch of quantum mechanics
applications. Recent results in different areas, ranging from communications to computing …

Quantum computing aims at exploiting quantum phenomena to efficiently perform
computations that are unfeasible even for the most powerful classical supercomputers …

Integrated photonics is an essential technology for optical quantum computing. Universal,
phase-stable, reconfigurable multimode interferometers (quantum photonic processors) …

Quantum superposition of high-dimensional states enables both computational speed-up
and security in cryptographic protocols. However, the exponential complexity of tomographic …

We introduce the LOv-calculus, a graphical language for reasoning about linear optical
quantum circuits with so-called vacuum state auxiliary inputs. We present the axiomatics of …

Over the last two decades, integrated photonics has profoundly revolutionized the domain of
quantum technologies. The ongoing second quantum revolution stands as a timely …

Mutually entangled multi-photon states are at the heart of all-optical quantum technologies.
While impressive progresses have been reported in the generation of such quantum light …

Characterizing the indistinguishability of photons is a key task in quantum photonics,
underpinning the tuning and stabilization of the photon sources and thereby increasing the …

We report on a multi-photon source based on active demultiplexing of single photons
emitted from a resonantly excited GaAs quantum dot. Active temporal-to-spatial mode …

Using tools from quantum information theory, we present a general theory of
indistinguishability of identical bosons in experiments consisting of passive linear optics …