107 citations · 225 across the 21 of their papers we have counts for
21 papers
High-fidelity controlled-phase gates for distinguishable quantum walkers via extended interactions
Gaia Forghieri, Matteo G. A. Paris
We investigate the implementation of controlled-phase (CP) gates with quantum walks in a dual-rail encoding through the use of interacting particles. While previous proposals have…
Thermometry with multilevel transmon probes
Antonio Mandarino, Matteo G. A. Paris, Claudia Benedetti
Superconducting transmon systems are promising platforms for nanoscale thermometry due to their high sensitivity to environmental fluctuations. Their intrinsic anharmonicity, which…
From spectral structure to sensing limits in quantum thermometry
Youssef Aiache, Simone Cavazzoni, Abderrahim El Allati +2
The precision of a quantum thermometer is fundamentally constrained by the spectral structure of the probe itself, and a systematic mapping between the configurations of energy lev…
Quantum metrology of electric and magnetic dipole moments: ultimate limits and optimal regimes
Simone Cavazzoni, Paolo Bordone, Matteo G. A. Paris
The characterization of electric and magnetic dipole moments (EDM and MDM) in quantum systems is central to fundamental physics and quantum sensing. While EDM searches provide powe…
Engineering entanglement and transport in interacting quantum walks with tailored potentials
Gaia Forghieri, Matteo G. A. Paris
Controlling the interplay between particle propagation and quantum correlation generation is a central challenge in quantum transport. Here, we investigate two distinguishable cont…
Routing Qubits on Noisy Networks
Claudia Benedetti, Giovanni Ragazzi, Simone Cavazzoni +2
Robust quantum routing is essential for scalable quantum technologies. This paper investigates the resilience of routing protocols in network architectures designed for perfect, hi…
Quantum walks as a tool to design robust quantum batteries: the role of topology and chirality
Simone Cavazzoni, Giovanni Ragazzi, Paolo Bordone +1
The maximum work that can be extracted from a quantum battery is bounded by the ergotropy of the system, which is determined by the spectral properties of the Hamiltonian. In this…
Optimal quantum transport on a ring via locally monitored chiral quantum walks
Sara Finocchiaro, Giovanni O. Luilli, Giuliano Benenti +2
In purely coherent transport on finite networks, destructive interference can significantly suppress transfer probabilities, which can only reach high values through careful fine-t…
Isospectral oscillators as a resource for quantum information processing
Abdelatif Chabane, Sidali Mohammdi, Abdelhakim Gharbi +1
We address quantum systems isospectral to the harmonic oscillator, as those found within the framework of supersymmetric quantum mechanics, as potential resources for continuous va…
Frequency estimation by frequency jumps
Simone Cavazzoni, Berihu Teklu, Matteo G. A. Paris
The frequency of a quantum harmonic oscillator cannot be determined through static measurement strategies on a prepared state, as the eigenstates of the system are independent of i…
Scalable Structure For Chiral Quantum Routing
Giovanni Ragazzi, Simone Cavazzoni, Claudia Benedetti +2
We address the problem of routing quantum and classical information from one sender to many possible receivers in a network. By employing the formalism of quantum walks, we describ…
Privacy in networks of quantum sensors
Majid Hassani, Santiago Scheiner, Matteo G. A. Paris +1
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.…
Generalized phase estimation in noisy quantum gates
Giovanni Ragazzi, Simone Cavazzoni, Paolo Bordone +1
We examine metrological scenarios where the parameter of interest is encoded onto a quantum state through the action of a noisy quantum gate and investigate the ultimate bound to p…
Perfect chiral quantum routing
Simone Cavazzoni, Giovanni Ragazzi, Paolo Bordone +1
Routing classical and quantum information is a fundamental task for quantum information technologies and processes. Here, we consider information encoded in the position of a quant…
Critical metrology of minimally accessible anisotropic spin chains
Marco Adani, Simone Cavazzoni, Berihu Teklu +2
We address quantum metrology in critical spin chains with anisotropy and Dzyaloshinskii-Moriya (DM) interaction, and show how local and quasi-local measurements may be exploited to…
Optimizing topology for quantum probing with discrete-time quantum walks
Simone Cavazzoni, Paolo Bordone, Matteo G. A. Paris
Discrete-time quantum walk (DTQW) represents a convenient mathematical framework for describing the motion of a particle on a discrete set of positions when this motion is conditio…
Characterization of partially accessible anisotropic spin chains in the presence of anti-symmetric exchange
Simone Cavazzoni, Marco Adani, Paolo Bordone +1
We address quantum characterization of anisotropic spin chains in the presence of antisymmetric exchange, and investigate whether the Hamiltonian parameters of the chain may be est…
Coin dimensionality as a resource in quantum metrology involving discrete-time quantum walks
Simone Cavazzoni, Luca Razzoli, Giovanni Ragazzi +2
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 coin dime…
Quantum spatial search in two-dimensional waveguide arrays
C. Benedetti, D. Tamascelli, M. G. A. Paris +1
Continuous-time quantum walks (CTQW) have shown the capability to perform efficiently the spatial search of a marked site on many kinds of graphs. However, most of such graphs are…
Squeezing phase diffusion
Simone Cialdi, Edoardo Suerra, Stefano Olivares +2
We address the use of optical parametric oscillator (OPO) to counteract phase-noise in quantum optical communication channels, and demonstrate reduction of phase diffusion for cohe…
Dynamics of quantum correlations in colored environments
C. Benedetti, F. Buscemi, P. Bordone +1
We address the dynamics of entanglement and quantum discord for two non interacting qubits initially prepared in a maximally entangled state and then subjected to a classical color…