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

We are currently in the midst of a second quantum revolution The first quantum revolution
gave us new rules that govern physical reality. The second quantum revolution will take …

Interference phenomena are ubiquitous in physics, often forming the basis of demanding
measurements. Examples include Ramsey interferometry in atomic spectroscopy, X-ray …

The transverse spatial effects observed in photon pairs produced by parametric down-
conversion provide a robust and fertile testing ground for studies of quantum mechanics …

We study the sensitivity and resolution of phase measurement in a Mach-Zehnder
interferometer with two-mode squeezed vacuum (n¯ photons on average). We show that …

Heisenberg-limited measurement protocols can be used to gain an increase in
measurement precision over classical protocols. Such measurements can be implemented …

Superposition is one of the most distinctive features of quantum theory and has been
demonstrated in numerous single-particle interference experiments,,,. Quantum …

Fluorescent defects recently observed under ambient conditions in hexagonal boron nitride
(h-BN) promise to open novel opportunities for the implementation of on-chip photonic …

Large-photon-number path entanglement is an important resource for enhanced precision
measurements and quantum imaging. We present a general constructive protocol to create …

Estimating the angular separation between two incoherent thermal sources is a challenging
task for direct imaging, especially at lengths within the diffraction limit. Moreover, detecting …