In open quantum systems, the precision of metrology inevitably suffers from the noise. In
Markovian open quantum dynamics, the precision can not be improved by using entangled …

Single-photon nonlinearity, namely, the change in the response of the system as the result of
the interaction with a single photon, is generally considered an inherent property of a single …

Noise sources unavoidably affect any quantum technological device. Noise's main features
are expected to strictly depend on the physical platform on which the quantum device is …

Quantum correlations, like entanglement, represent the characteristic trait of quantum
mechanics, and pose essential issues and challenges to the interpretation of this pillar of …

Heisenberg's uncertainty principle implies fundamental constraints on what properties of a
quantum system we can simultaneously learn. However, it typically assumes that we probe …

The undesired interaction of a quantum system with its environment generally leads to a
coherence decay of superposition states in time. A precise knowledge of the spectral content …

Superposition of trajectories, which modify quantum evolutions by superposing paths
through interferometry, has been utilized to enhance various quantum communication tasks …

We investigate the dynamics of a quantum system subjected to a time-dependent and
conditional resetting protocol. Namely, we ask what happens when the unitary evolution of …

Efficient quantum sensing technologies rely on the precise control of quantum sensors,
particularly two-level systems or qubits, to optimize estimation processes. We here exploit …

We put forth the concept of quantum noise sensing in nonlinear two-mode interferometers
coupled to mechanical oscillators. These autonomous machines are capable of sensing …