We treat privacy in a network of quantum sensors where accessible information is limited to
specific functions of the network parameters, and all other information remains private. We …

We address metrological problems where the parameter of interest is encoded in the
internal degree of freedom of a discrete-time quantum walker, and provide evidence that …

Quantum walks on photonic platforms represent a physics-rich framework for quantum
measurements, simulations and universal computing. Dynamic reconfigurability of photonic …

The impact of nonequilibrium environment effects on the accuracy of quantum parameter
estimation is investigated, and it is found that these effects can significantly affect estimation …

Quantum walks have been shown to be important for quantum metrological tasks, in
particular for the estimation of the evolution parameters of the walk. In this work, we address …

Multiparameter quantum estimation substantial topic in quantum estimation theory due to its
significant applications. Indeed, quantum Fisher information matrix and multiparameter …

Multiphoton interference is crucial to many photonic quantum technologies. In particular,
interference forms the basis of optical quantum information processing platforms and can …

Control and characterization of networks are paramount steps in the development of many
quantum technologies. Even for moderate-sized networks, this amounts to exploring an …

We analyze the response to incorporation of glassy disorder in the coin operation of a
discrete-time quantum walk in one dimension. We find that the ballistic spread of the …

Quantum Walks have been a very important model in the last thirty years, after their first
definition and rigorous description. The analysis of the many possible variations of their …