Quantum technologies exploit entanglement to revolutionize computing, measurements, and
communications. This has stimulated the research in different areas of physics to engineer …

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

Particle-wave duality enables the construction of interferometers for matter waves, which
complement optical interferometers in precision measurement devices. This requires the …

Quantum metrology protocols allow us to surpass precision limits typical to classical
statistics. However, in recent years, no-go theorems have been formulated, which state that …

Advancements in physics are often motivated/accompanied by advancements in our
precision measurements abilities. The current generation of atomic and optical …

Bell correlations are among the most exotic of the phenomena through which quantum
mechanics manifests itself. Their presence signals that the system may violate the postulates …

Interferometry with trapped atomic Bose-Einstein condensates (BECs) requires the
development of techniques to recombine the two paths of the interferometer and map the …

We study an ultracold gas of N bosons trapped in a one-dimensional M-site optical lattice
perturbed by a spatially dependent potential gxj, where the unknown coupling strength g is …

We identify optimal measurement strategies for phase estimation in different scenarios in
which the interferometer acts on two-mode symmetric states. For pure states of a single …

We demonstrate that memory in an N-qubit system subjected to decoherence, is a potential
resource for the slowdown of the entanglement decay. We show that this effect can be used …