Nonclassical states of light find applications in enhancing the performance of optical
interferometric experiments, with notable example of gravitational-wave detectors. Still, the …

Interference, which refers to the phenomenon associated with the superposition of waves,
has played a crucial role in the advancement of physics and finds a wide range of …

Quantum metrology is one of the most promising applications of quantum technologies. The
aim of this research field is the estimation of unknown parameters exploiting quantum …

The purpose of quantum technologies is to explore how quantum effects can improve on
existing solutions for the treatment of information. Quantum photonics sensing holds great …

Quantum precision enhancement is of fundamental importance for the development of
advanced metrological optical experiments, such as gravitational wave detection and …

Interferometric phase measurement is widely used to precisely determine quantities such as
length, speed and material properties,–. Without quantum correlations, the best phase …

We study the simultaneous estimation of multiple phases as a discretized model for the
imaging of a phase object. We identify quantum probe states that provide an enhancement …

Entanglement-enhanced quantum metrology explores the utilization of quantum
entanglement to enhance measurement precision. When particles in a probe are prepared …

We report an updated measurement of the CP-violating phase, ϕ s J/ψ ϕ, and the decay-
width difference for the two mass eigenstates, Δ Γ s, from the flavor-tagged decay B s 0→ J/ψ …

A quantum polarized light microscope using entangled NOON states with N= 2 and N= 3 is
shown to provide phase supersensitivity beyond the standard quantum limit. We constructed …