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Experimental multi-state quantum discrimination through a Quantum network
Alessandro Laneve, Andrea Geraldi, Frenkli Hamiti +2
The need of discriminating between different quantum states is a fundamental issue in Quantum Information and Communication. The actual realization of generally optimal strategies…
Enhancing nonclassical bosonic correlations in a Quantum Walk network through experimental control of disorder
Alessandro Laneve, Farzam Nosrati, Andrea Geraldi +5
The presence of disorder and inhomogeneities in quantum networks has often been unexpectedly beneficial for both quantum and classical resources. Here, we experimentally realize a…
Quantum information spreading in a disordered quantum walk
Farzam Nosrati, Alessandro Laneve, Mahshid Khazaei Shadfar +5
We design a quantum probing protocol using Quantum Walks to investigate the Quantum Information spreading pattern. We employ Quantum Fisher Information, as a figure of merit, to qu…
Subdiffusion via Disordered Quantum Walks
Andrea Geraldi, Syamsundar De, Alessandro Laneve +4
Transport phenomena play a crucial role in modern physics and applied sciences. Examples include the dissipation of energy across a large system, the distribution of quantum inform…
Experimental investigation of superdiffusion via coherent disordered Quantum Walks
Andrea Geraldi, Alessandro Laneve, Luis Diego Bonavena +6
Many disordered systems show a superdiffusive dynamics, intermediate between the diffusive one, typical of a classical stochastic process, and the so called ballistic behaviour, wh…
A Novel Bulk-Optics Scheme for Quantum Walk with High Phase Stability
Andrea Geraldi, Luís Diego Bonavena, Carlo Liorni +2
A novel bulk optics scheme for quantum walks is presented. It consists of a one-dimensional lattice built on two concatenated displaced Sagnac interferometers that make it possible…